vol. I March-June 1947 Nos. 1-2
CONTENTS
Adaptive Changes Induced by Natural Selection in Wild Populations of Drosophila. TH. DOBZHANSKY 1
Sexual Behavior and Isolation in Drosophila I. The Mating Behavior of Species of the Willistoni Group. H. SPIETH 17
Observations on Evolutionary Rates in Hypsodonty. R. A. STIRTON 32
Second Chromosome Inversions in Wild Populations of Drosophilamelanogaster. P. T. IVES 42
A Comparative Analysis of the Chromosomes of the guarani groupof Drosophila. J. C. KING 48
Ecology and the Evolution of Some Hawaiian Birds. D. AMADON .. 63
Natural Hybridization of Salvia apiana and S. mellifera. C. EPLING 69
Hybridization in a Population of Quercus marilandica and Quercusilicifolia. G. L. STEBBINS, JR., E. G. MATZKE, and C. EPLING 79
Experimental Studies on Adaptive Evolution in Gasterosteus acu-leatus L. M. J. HEUTS 89
Genetic Drift in a Population of Drosophila immigrans. W. P. SPENCER 103
Notes and Comment 111
Vol. I September 1947 No. 3
CONTENTS
Gene Arrangements in Natural Populations of Drosophila robusta Sturtevant. HAMPTON L. CARSON and HARRISON D. STALKER .... 113
The Role of the Kinetochore in the Chromosomal Evolution of the Heteroptera and Homoptera. FRANZ SCHRADER 134
Interspecific Relationships within the guarani Group of Drosophila. JAMES C. KING 143
Rodents-A Study in Evolution. ALBERT.E. WOOD 154
Infraspecific Categories in Invertebrate Paleontology. NORMAN D. NEWELL 163
A Character Analysis of a Solitary Bee, Hoplitis albifrons, (Hymenoptera, Megachilidae). CHARLES D. MICHENER 172
Panmixia and Population Size with Reference to Birds. ALDEN H. MILLER 186
Evolutionary Changes in Laboratory Cultures of Drosophila pseudo obscura. TH. DOBZHANSKY and B. SPASSKY 191
Notes and Comments
A Simple Model of "Drift" in Small Populations. PAUL A. MOODY 217
Evolution, Interchange, Resemblance of the North American and Eurasian
Cenozoic Mammalian Faunas. GEORGE GAYLORD SIMPSON 218
Vol. I December 1947 No. 4
CONTENTS
Trend of Human Evolution. FRANZ WEIDENREICH 221
Morphological Variation in Natural Populations of Drosophila robusta Sturtevant. HARRISON D. STALKER and HAMPTON L. CARSON 237
Hybridization between the Sunflower Species Helianthus annuus and H. petiolaris. CHARLES B. HEISER, JR 249
Ecological Factors in Speciation. ERNST MAYR 263
Vol. II March 1948 No. 1
CONTENTS
Hybridization of the Habitat. EDGAR ANDERSON I
Natural Hybrids of Subspecies of Hippodamia quinquesignata (Cmcinellidae). A. FRANKLIN SHULL 10
Some Aspects of Evolutionary Theory in the Light of Recent Work on Animal Breeding. I. MICHAEL LERNER and EVERETT R. DEMPSTER 19
Ontogenetic Evolution in Frogs. BERTHA LUTZ 29
Morphological Differences and Problems of Speciation in Drosophila. S. C. REED and E. W. REED 46
Microgeographic Analysis of Chromosomal Variation in a Chinese Species of Chironomus (Diptera). T. C. Hsu and T. T. LIU .... 49
The Bromeliad-Anopheles-Malaria Complex in Trinidad. I-The Bromeliad Flora. COLIN S. PITTENDRIGH 58
Notes and Comments
The Chromosomes of the Parthenogenetic Mantid Brunneria borealis. M.
J. D. WHITE 90
Vol. 11 June 1948 No. 2
CONTENTS
Natural Selection and Family Size in the Starling. DAVID LACK 95
Variation and Hybridization Among the Paradise Flycatchers of Africa. JAMES P. CHAPIN
Climate and Evolution in Western North America During Middle Pliocene Time. DANIEL I. AXELROD 127
Evolution of the Horned Dinosaurs. EDWIN H. COLBERT 145
The Origin of a Mammalian Ordinal Character. BOBB SCHAEFFER 164
Natural Selection in Laboratory Populations of Drosophila. S. C. REED and E. W. REED 176
Experiments on Sexual Isolation in Drosophila. IX. Behavior of Males
with Etherized Females. GEORGE STREISINGER 187
Vol. II September 1948 No. 3
CONTENTS
Studies on "Sex-Ratio" in Drosoplzila pseudoobscure. I. Selection and "Sex-Ratio." BRUCE WALLACE 189
Histological Changes Correlated with Evolutionary Changes of Body Size. BERNHARD RENSCH 218
Geography of Human Blood Groups (A,B,O System). BERTIL LUNDMAN 231
Evolution in the Family Dicruridae. ERNST MAYR and CHARLES VAURIE 238
Geographic Variation and Speciation iii Appalachian Salamanders (Plethodon
jordani Group). NELSON G. HAIRSTON and CLIFFORD H. POPE 266
Vol. II December 1948 No. 4
CONTENTS
On the Roles of Directed and Random Changes in Gene Frequency in the Genetics of Populations. SEWALL WRIGHT 279
An Altitudinal Transect of Drosophila Robusta Sturtevant. HAR RISON D. STALKER and HAMPTON L. CARSON 295
Speciation in the Fishes of the Genus Menidia. WILLIAM A. GOSLINE 306
Glaciation, an Isolating Factor in Speciation. A. L. RAND 314
Some Problems and Patterns of Evolution Exemplified by Fossil Invertebrates. PRESTON E. CLOUD, JR 322
The Methods of Comparative Anatomy and Its Contribution to the Study of Evolution. RAINER ZANGERL 351
Notes and Comments 375
Books on Evolution Received 376
vol. III March 1949 No. 1
CONTENTS
Geographic Variation of Adaptive Characters in Rana pipiens Schreber. JOHN A. MOORE 1
Serological Evidence on Lagomorph Relationships. PAUL A. MOODY, VELMA A. COCHRAN, and HELEN DRUGG 25
Successional Speciation in Paleontology: The Case of the Oysters of the sellaeformis Stock. H. B. STENZEL 34
Suggestions as to the Quantitative Measurement of Rates of Evolution. J. B. S. HALDANE 51
Family Size in Certain Thrushes (Turdidae). DAVID LACK 57
Sexual Behavior and Isolation in Drosophila. II. The Interspecific Mating Behavior of Species of the willistoni Group. HERMAN T. SPIETH 67
Pollination Systems as Isolating Mechanisms in Angiosperms. VERNE GRANT 82
Notes and Comment
Balanced Polymorphism in Drosophila montium. NEWTON FREIRE-MAIA 98
Asexual Reproduction in Relation to Plant Evolution. G. LEDYARD STEBBINS,
JR 98
Vol. III June 1949 No. 2
CONTENTS
Phyletic Size Increase-An Important Trend Illustrated by Fossil Invertebrates. NORMAN D. NEWELL 103
Mammalian Evolution in the Quaternary of Southern and Eastern Asia. D. A. HOOIJER 125
Parallelisms in the Evolution of the Saturniid Moths. CHARLES D. MICHENER 129
Bromus inermis and B. pumpellianus in North America. FRED C. ELLIOTT 142
Avian Relicts and Double Invasions in Peninsular India and Ceylon. S. DILLON RIPLEY 150
The Role of Sexual Selection as an Isolating Mechanism in Three Species of Poeciliid Fishes. CARYL P. HASKINS and EDNA F. HASKINS 160
Interspecific Matings between Colias eurytheme and Colias philodice in Wild Populations. WILLIAM HOVANITZ 170
Analysis of Data on Sexual Isolation. A. J. BATEMAN 174
Notes and Comment
Essay-Review of Recent Works on Evolutionary Theory by Rensch, Zimmermann, and Schindewolf. GEORGE G. SIMPSON 178
Evolution in Crepis 185
Evolutionary Patterns in the Genus Crepis. JENS CLAUSEN .... 185
Speciation, Evolutionary Trends, and Distribution. G. L. STEBBINS, JR
188
VOL. III September 1949 No. 3
CONTENTS
Thermoregulation in Reptiles-A Factor in Evolution. C M. BOGERT 195
Selection of an Unfavourable Gene-Complex. JACK L. CROSBY .... 212
The Last Surge of the Nautiloid Cephalopods. A. K. MILLER 231
Genetic Analysis of the Polymorphism of Color Pattem in Drosophila polymorphs. A. BRITO DA CUNHA 239
Cytological Evidence on the Phylogeny and Classification of the Diptera. M. J. D. WHITE 252
The Selection Index and Its Test of Significance. LEE R. DICE .... 262
Notes and Comment
Mating Between Two Strains of Drosophila melanogaster. DAVID J. MERRELL 266
The Two "Varieties" of Drosophila montium. MARSHALL R. WHEELER 268
Vol.III December 1949 No. 4
CONTENTS
On the Evolution of Pieris napi L. BJORN PETERSEN 269
Some Problems in the Evolution of a Group of Ectoparasites. THERESA CLAY 279
The willistoni Group of Sibling Species of Drosophila. H. BURLA, A. BRITO DA CUNHA, A. R. CORDEIRO, TH. DOBZHANSKY, C. MALOGOLOWKIN, AND C. PAVAN 300
A New Measure of Sexual Isolation. HOWARD LEVENE 315
Seasonal Variation in Gene Arrangement Frequencies Over a Three-Year Period in Drosophila robusta Sturtevant. HAMPTON L. CARSON AND HARRISON D. STALKER 322
Seasonal Variation in the Morphology of Drosophila robusta Sturtevant. HARRISON D. STALKER AND HAMPTON L. CARSON 330
Evolutionary Changes in the Sex Chromosomes of Coleoptera. STANLEY G. SMITH 344
Sources of Genetic Variation in Parthenium argentatum Gray (Compositae). REED C. ROLLINS 358
The Species Concept: A Discussion. BENJAMIN H. BURMA AND ERNST MAYR 369
Notes and Comment
Supplementary Notes on Crepis II. Phylogeny, Distribution and Matthew's Principle. ERNEST B. BABCOCK 374
Towards a Modern Synthesis. THEODOSIUS DOBZHANSKY 376
A Synopsis of Contemporary Evolutionary Thinking. ERNST CASPARI 377
Chromosomes of the Vertebrates. M. J. D. WHITE 379
Comments on Evolutionary Literature. ERNST MAYR 381
Vol. IV March 1950 No. 1
CONTENTS
Character Combinations and Distribution in the Genus Fritillaria and Allied Genera. W. B. TURRILL 1
Evolution of the Mechanism of Caste Determination in the Genus Melipona. WARWICK E. KERR 7
Experimental Populations of Drosophila persimilis from an Altitudinal Transect of the Sierra Nevada. ELIOT B. SPIESS 14
Natural Selection in Laboratory Populations of Drosophila. 1I. Competition Between a White-Eye Gene and Its Wild Type Allele. S. C. REED AND E. W. REED 34
The Ecoclimatic Divergence of Anopheles bellator and A. homunculus. COLIN S. PITTENDRIGH 43
The Ecotopic Specialization of Anopheles homunculus; and Its Relation to Competition with A. bellator. COLIN S. PITTENDRIGH 64
Modes of Evolution Discernible in the Taxonomy of Snakes. KARL PATTERSON SCHMIDT 79
Porcupines, Paleogeography and Parallelism. ALBERT E. WOOD ... 87
Notes and Comment
A Fundamental Sex Difference Between Lagomorphs and Other Placental Mammals. GEORGE A. PETRIDES 99
Evolution in the Soviet Union. G. L. STEBBINS, JR 99
Introgressive Hybridization. CARL L. HUBBS 100
Report of the Secretary for 1949 101
Report of the Treasurer for 1949 102
Vol. IV June 1950 No. 2
CONTENTS
Evolutionary Trends in the Fruiting Head of Compositae. M. ZOHARY 103
Pollination Relations of Lycopersicon esculentum in Native and Foreign Regions. CHARLES M. RICK 110
Mating Behavior in Drosophila affinis and Drosophila algonquin. DWIGHT D. MILLER 123
Natural Selection for Reproductive Isolation between Drosophila pseudoobscura and Drosophila persimilis. KARL F. KOOPMAN ... 135
The Role of the Antennae in the Mating Behavior of Female Drosophila. ERNST MAYR 149
Speciation in Fishes of the Genera Cyprinodon and Empetrichthys, Inhabiting the Death Valley Region. ROBERT RUSH MILLER .... 155
Parallel and Diverging Skeletal Evolution in Vertebrates and Arthropods. WILLIAM K. GREGORY 164
Autosomal Lethals in Experimental Populations of Drosophila melanogaster. BRUCE WALLACE 172
Notes and Comment
The Species Concept: Further Discussion. CARL 0. DUNBAR .... 175
Paleontologic Versus Neontologic Species and Genera. MAXIM K. ELIAS
176
Vol. IV September 1950 No. 3
CONTENTS
The Protection of the Ovules in Flowering Plants. VERNE GRANT 179
Developmental Restrictions on Recombination in Nicotiana. HAROLD H. SMITH 202
Adaptive Chromosomal Polymorphism in Drosophila willistoni. A. BRITO DA CUNHA, H. BURLA AND TH. DOBZHANSKY 212
The Importance of Mutation Rate Genes in Evolution. PHILIP T. IVES 236
Ecological Factors in Speciation of Peromyscus. W. FRANK BLAIR . 253
Polymorphism in a Woodpecker (Picus flavinucha). S. DILLON RIPLEY 276
Vol. IV December 1950 No. 4
CONTENTS
Family-Size in Titmice of the Genus Parus. DAVID LACK 279
Polymorphism in the Chat Genus Oenanthe (Aves)- ERNST MAYR AND ERWIN STRESEMANN 291
Evolution and Plumage Traits in Phasianus X Chrysolophus Hybrids. C. H. DANFORTH 301
The Influence of Light on the Mating Behavior of Seven Species of the Drosophila melanogaster Species Group. HERMAN T. SPIETH AND T. C. HSU 316
Measurement of Sexual Isolation and Selective Mating. DAVID J. MERRELL 326
Studies of Variation in the Weed Genus Phytolacca. I. Hybridizing Species in Northeastern Colombia. NORMAN C. FASSETT AND JONATHAN D.SAUER 332
The Genetical Architecture of Heterostyly in Primula sinensis. KENNETH MATHER 340
Pigmental Variations in Populations of Pocket Gophers. LLOYD G. INGLES 353
Notes and Comment
Supplementary Notes on Crepis. III. Taproot Versus Rhizome in Phylogeny. ERNEST B. BABCOCK 358
The Study of Subspecific Advance in the Quaternary. DIRK A. HOOIJER 360
Geographic Races and Speciation. J. T. NICHOLS 361
Visible Plasmagenes. ERNST CASPARI 362
Isolation, Dispersal and Evolution. ERNST MAYR 363
Vol. v March 1951 No. 1
CONTENTS
The Relation of the Eocene Wilcox Flora to Some Modern Floras. AARON J. SHARP 1
The Brains of the Odontognathae. TILLY EDINGER 6
The Spontaneous Occurrence of Amphiploidy in Species Hybrids of Gossypium. META S. BROWN 25
Hybridization in the Annual Sunflowers: Helianthus annuus X H. debilis var. cucumerifolius. CHARLES B. HEISER, JR 42
Evidence for Intersectional Field Hybrids in Liatris. LULU 0. GAISER 52
Variation and Adaptation in the Imported Fire Ant. EDWARD 0. WILSON 68
Notes and Comments
Sex-chromosome in Honey-Bee. WARSWICK E. KERR 80
Principles of Animal Ecology. FRANK A. PITELKA 81
Earth Rhythms and Evolution. EDWIN H. COLBERT 84
Comments on Evolutionary Literature. ERNST MAYR 85
Vol. v June 1951 No. 2
CONTENTS
Breeding Sites of Drosophila pseudoobscura and Drosophila persimilis in the Transition Zone of the Sierra Nevada. HAMPTON L. CARSON 91
On Food Preferences of Sympatric Species of Drosophila. A. BRITODA CUNHA, TH. DOBZHANSKY, and A. SOKOLOFF 97
The Origin and Dispersal of a Group of Primitive Caddisflies. HERBERT H. ROSS 102
The Effect of Intraspecies and Interspecies Competition on the Fecundity of Two Species of Flour Beetles. L. C. BIRCH, THOMAS PARK, and MARIAN B. FRANK 116
Concordant Versus Discordant Variation in Relation to Introgression. EDGAR ANDERSON 133
The Origin of Supernumerary Chromosomes in Natural Populations of Clarkia elegans. HARLAN LEWIS 142
Evolution in the Flowers of Pedicularis. HUI-LIN Li 158
Extra, Diminutive Chromosomes in Oenothera. RALPH E. CLELAND 165
Notes and Comment
Cytotaxonomic Analysis of Evolution in Pteridophyta. WARREN H. WAGNER, JR 177
Some Aspects on Variation and Evolution in Plants. AKE GUSTAFSSON 181
Comments on Evolutionary Literature. ERNST MAYR and HARLAN LEWIS 185
Report of the Secretary for 1950 191
Report of the Treasurer for 1950 192
Vol. V September 1951 No. 3
CONTENTS
Body Proportions of Mainland and Island Lizards. GUSTAV KRAMER 193
Evolution of the Early Tertiary Rodents. ROBERT W. WILSON 207
The Inheritance of Certain Color Patterns in Wild Populations of Lebistes reticulatus in Trinidad. CARYL P. HASKINS and EDNA F. HASKINS 216
Mating of Ebony Vestigial and Wild Type Drosophila melanogaster in Light and Dark. J. M. RENDEL 226
Natural Selection in Drosophila melanogaster under Laboratory Conditions. I. LUDWIN 231
Distribution Patterns of the Genera of Leafy Hepaticae of South America. MARGARET FULFORD 243
Phylogenetic Relationships of Certain Races of Euoenothera from Mexico and Guatemala. ERICH STEINER 265
Studies of Variation in the Weed Genus Phytolacca. II. Latitudinally Adapted Variants within a North American Species. JONATHAN D. SAUER 273
Notes and Comments
Citation of Specimens in Cytotaxonomic Literature. THEODOR JUST 280
Comments on Recent Literature. BOBB SCHAEFFER 281
Vol. V December 1951 No. 4
CONTENTS
The Species Concept. GEORGE GAYLORD SIMPSON 285
Natural Selection and the Differentiation of Angiosperm Families. G. LEDYARD STEBBINS, JR 299
A Mathematical Model Applied to a Study of the Evolution of Species. EVERETT C. OLSON and ROBERT L. MILLER 325
The Origin of the Astragalus of Reptiles. FRANK E. PEABODY 339
Convergent Evolution: The jaws of Hesperornis and the Mosasaurs. JOSEPH T. GREGORY 345
The Status of the Snake Genera Dipsas and Sibon, a Problem for "Quantum Evolution." E. R. DUNN 355
On Ecotypic and Autotypic Characters, a Contribution to the Knowledge of the Evolution of the Genus Liolaemus (Iguanidae). WALTER C. HELLMICH 359
Crossing Experiments with Culex Strains. HANNES LAVEN 370
Structural Heterozygosity in Natural Populations of the Grasshopper Trimerotropis sparsa. M. J. D. WHITE 376
Modification of the Adaptive Values of Chromosomal Types in Drosophila pseudoobscura by Nutritional Variables. ANTONIO BRITODA CUNHA 395
The Natural Hybrid between Coulter and Jeffrey Pines. BRUCE ZOBEL 405
Notes and Comments
Corrections. S. C. REED 414
Sex Determination in the Honeybee. ANN R. SANDERSON and D.W. HALL 414
Comment on Ecology and Evolution. CHARLES H. LOWE, JR. .... 415
Animal Evolution. DEAN AMADON 415
Evolution of the Vertebrates. EDWIN H. COLBERT 416
Inbreeding and Disease? DEAN AMADON 417
The Geobotanical Significance of Polyploidy. THOMAS W. WHITAKER 417
Comments on Evolutionary Literature. ERNST MAYR 418
Vol. VI September 1952 No. 3
CONTENTS
Increase of the Adaptive Range of the Genus Delphinium. CARL EPLING and HARLAN LEWIS 253
The Biological Status of Betula Andrewsii A. Nels. SVEN G. FROILAND 268
Speciation in the Field Cricket. B. B. FULTON 283
Variation in a Local Population of Pemphigus. ROBERT R. SOKAL 296
Heteroploidy in Mouse Embryos Due to Crossing of Inbred Strains. M. FISHBFRG and R. A. BEATTY 316
Intestinal Yeast Floras of Successive Populations of Drosophila. A. M. EL-TABEY AWAD SHIHATA and E. M. MRAK 325
The Estimation of Adaptive Values of Experimental Populations. BRUCE WALLACE 333
Notes and Comments
How Many Species? G. G. SIMPSON 342
Significance of Variation in Ptychodera Flava. K. PAMPAPATHI RAO 342
The Dusky-Footed Wood Rat. W. J. HAMILTON, JR 343
Understanding Heredity. BRUCE WALLACE 344
Note on "Crossing Experiments with Culex Strains." P. G. SHUTE
345
Vol. VI December 1952 No. 4
CONTENTS
A Hybrid Swarm in Juniperus. MARION T. HALL 347
Introgression between Typha latifolia and Typha angustifolia. NORMAN C. FASSETT and BARBARA CALHOUN 367
Hybridization and Grafting in Species of Theobroma Which Occur in Amazonia. GEORGE ADDISON and ROSENDO TAVARES 380
Ontogenetic and Evolutionary Allometry. LUDWIG VON BERTALANFFY and W. J. PIROZYNSKI 387
Physiological Evidence for Natural Hybridization of Bufo americanus and Bufo fowleri. E. PETER VOLPE 393
Competition between Drosophila melanogaster and Drosophila simulans. JOHN A. MOORE 407
Physiological Properties of Gene Arrangement Carriers in Drosophila persimilis. II. Wing-beat Frequency and Wing Dimensions. ELIOT B. SPIESS, BARBARA ANN TERRILE, and URSEL BLUMENHEIM 421
Genetics of Marginal Populations of Drosophila willistoni. J. IVES TOWNSEND, JR 428
Notes and Comments
Sex Determination in the Honey Bee. F. J. MANNING 443
Sex Determination in the Honey Bee. HANS RIS and W. E. KERR 444
The Evolution of Cultivated Plants and Weeds. G. LEDYARD STEBBINS, JR 445
Comments on Evolutionary Literature. ERNST MAYR 449
Darwin's Journal and other publications. EDWIN H. COLBERT 454
Vol. VII June 1953 No. 2
CONTENTS
Gene Frequency Changes in Small Laboratory Populations of Drosophila melanogaster. DAVID J. MERRELL 95
Chromosome Phylogeny and Habitat Preference of Clarkia. HARLAN LEWIS 102
The Baldwin Effect. GEORGE GAYLORD SIMPSON 110
Genetic Assimilation of an Acquired Character. C. H. WADDINGTON 118
Atypical Forms of the Wingless Worker and the Winged Female in Monomorium pharaonis. D. W. HALL and I. C. SMITH 127
Experimental Background to the Study of the Distribution and Abundance of Insects. III, The relation between innate capacity for increase and survival of different species of beetles living together on the same food. L. C. BIRCH 136
On the Origin and Composition of the Nearctic Insect Fauna. HERBERT H. ROSS 145
Evolution of the Mammalian Ear. D. M. S. WATSON 159
Notes and Comments
The Chronofauna and Quantum Evolution. JAMES R. BEERBOWER 178
Comment on "How Many Species." GEORGE C. STEYSKAL 179
Cave Fish Evolution. CHARLES M. BREDER 179
Review of "Principles of Organic Evolution." GLENN JEPSEN ... 181
Review of "Invertebrate Fossils" and "Principles of Invertebrate
Paleontology." NORMAN D. NEWELL 183
Vol. VII December 1953 No. 4
CONTENTS
Selective Mating as a Cause of Gene Frequency Changes in Laboratory Populations of Drosophila melanogaster. DAVID J. MERRELL 287
Comparative Growth between and within Climatic Races of Achillea under Controlled Conditions. WILLIAM M. HIESEY 297
Biosystematic Studies in Aster, II: Isolating Mechanisms and Some Phylogenetic Considerations. CHARLOTTE J. AVERS 317
Egg Size in Arctic, Antarctic and Deep-Sea Fishes. N. B. MARSHALL 328
On the Role of Inversion in Wild Populations of Drosophila pseudoobscura. CARL EPLING, DONALD F. MITCHELL, and R. H. T. MATTONI 342
The Interaction of Nucleus and Cytoplasm in the Isolation and Evolution of Species of Paramecium. MYRON LEVINE 366
Notes and Comments
The "Baldwin Effect," "Genetic Assimilation" and "Homeostasis." C. H. WADDINGTON 386
Comment on the Origin of Sex and of Meiosis. EDWARD 0. DODSON 387
The Sex Chromosome of the Honey Bee. F. J. MANNING 388
The Evolution of Mating Behavior Patterns. N. TINBERGEN .... 391
Comment on "Cave Fish Evolution." M. J. HEUTS 391
Vol. VIII September 1954 No. 3
CONTENTS
Phylogenetic Aspects of Respiratory Function. F. H. McCUTCHEON 181
Further Serological Data on the Relationships of Some Decapod Crustacea. CHARLES A. LEONE 192
A Partial Breakdown of Temporal and Ecological Isolation between Choristoneura Spedes (Lepidoptera, Torticidae). STANLEY G. SMITH 206
Experimental Studies on the Distribution of Gene Frequencies in Very Small Populations of Drosophila melanogaster. SEWALL WRIGHT and WARWICK E. KERR 225
Integration of the Genotype in Local Populations of Three Species of Drosophila. M. VETUKHIV 241
Hybridization in the Red-Eyed Towhees of Mexico. CHARLES G. SIBLEY 252
Notes and Comments
Population Size and Effectiveness of Selection. EVERRET R. DEMPSTER and MICHAEL LERNER 291
Comment on Note by Dempster and Lerner on Population Size and Effectiveness
of Selection. BJORN KURTEN 292
Vol. IX March 1955 No. I
CONTENTS
Adaptive Gene Substitution in Tasmanian Eucalypts. HORACE NEWTON BARBER 1
Evolution of Climatic Adaptation in Homeotherms. P. F. SCHOLANDER ... 15
The Effects of Population Density and Composition on Viability in Drosophila melanogaster. RICHARD LEWONTIN 27
Ecology and Hybridization in the Genus Bufo in the Michigan-Indiana Region. BROTHER LAWRENCE CORY and JAMES J. MANION 42
Polymorphism as an Outcome of Disruptive Selection. K. MATHER 52
Studies in Linkage in Populations. I. Associations of Second Chromosome Linkages in Drosophila robusta. MAX LEVITAN 62
The Role of Ontogeny in Systematics and Evolution. GRACE L. ORTON .. 75
Evolution in the Notostraca. ALAN R. LONGHURST 84
The Problem of Extinction with Special References to Australian Marsupials. EDMUND D. GILL 87
Notes and Comments
The Effect of a Yeast upon the Incorporation of Phosphorus into the Tissue of Adult Fruit Flies. ROBERT C. KING 93
The Genesis of Man. LEONARD D. SILLMAN 94
Genetic Homeostasis. THEODOSIUS DOBZHANSKY 100
Animal Cytology and Evolution. THEODOSIUS DOBZHANSKY 101
Atlas of Men. THEODOSIUS DOBZHANSKY 102
Philippine Amphibia. RALPH G. JOHNSON 104
Corrigenda: Experimental Studies of Distribution of Gene Frequencies
in Very Small Populations of Drosophila melanogaster: I. Forkeal (by Warwick
E. Kerr and Sewall Wright, Evolution 8, p. 176) 105
Vol. X March 1956 No. 1
CONTENTS
Genetic Assimilation of the Bithorax Phenotype. C. H. WADDINGTON 1
Selection for Sexual Isolation within a Species. G. R. KNIGHT, ALAN ROBERTSON, and C. H. WADDINGTON 14
Pollen Dimorphism in the Rubiaceae. H. G. BAKER 23
Population Variability, Hybridization, and Introgression in Some Species of Ophrys. G. LEDYARD STEBBINS and L. FERLAN 32
Serological Light on Porcupine Relationships. PAUL A. MOODY and DAVID E. DONIGER 47
The Origin and Evolution of the Venomous Snakes. RALPH G. JOHNSON 56
A Further Report on the Genetics of the Machaon Group of Swallowtail Butterflies. C. A. CLARKE and P. M. SHEPPARD 66
Evolution of Some Endocarpal Features in the Tribe Tinosporeae (Memispermaceae). RICHARD A. SCOTT 74
Genetics of Natural Populations. XXV. Genetic Changes in Populations of Drosophila pseudoobscura and Drosophila perisimilis in Some Localities in California. TH. DOBSHZANSKY 82
Semilethal Complementary Factors in a Tomato Species Hybrid ANAND C. SAWANT 93
Notes and Comments
Catastrophism and the Fossil Record. NORMAN D. NEWELL ... 97
Adaptation of Man to Cold Climates. MARSHALL T. NEWMAN 101
Geographical Character Gradients and Climatic Adaptation. ERNST MAYR
105
Vol. X June 1956 No. 2
CONTENTS
Evidence of Vascular Plants in the Cambrian. S. LECLERCQ 109
The Genetics and Evolution of Gynodioecy. D. LEWIS and LESLIE K. CROWE 115
The Origin of Clarkia lingulata. HARLAN LEWIS and MARGARET R. ROBERTS 126
Fecundity of Hybrids Between Geographic Populations of Drosophila pseudoobscura. M. VETUKHIV 139
An Analysis of Variation in a Variable Population of Cladonia. EDGAR ANDERSON and E. D. RUDOLPH 147
The Geographic History of Quercus ajoensis. JOHN M. TUCKER and CORNELIUS H. MULLER 157
Comparison of the Block Island "species" of Microtus with M. pennsylvanicus. BERNICE WHEELER 176
Evolution of the Loop and Lophophore in Terebratuloid Brachiopods. FRANCIS G. STEHLI 187
Evolution in the Subholostean Fishes. BOBB SCHAEFFER 201
Reproductive Organ Polymorphism in Earthworms of the Oriental Megascolecine Genus Pheretima Kinberg 1867. G. E. GATES .... 213
Notes and Comments
Schistic Evolution. HOBART M. SMITH 228
Vol. X September 1956 No. 3
CONTENTS
Differential Viability Favoring Inversion Heterozygotes in Drosophila willistoni. A. BRITO DA CUNHA 231
Taxonomy and the Evolution of Genera, with Special Reference to the Family Gramineae. G. LEDYARD STEBBINS 235
Introgression in Planktonic Rotatoria with Some Points of View on Its Causes and Conceivable Results. BIRGER PEJLER 246
Ecologic Factors That Accelerate Formation of Races and Species of Terrestrial Vertebrates. ALDEN H. MILLER 262
A Model of a Genetic System Which Leads to Closer Linkage by Natural Selection. MOTOO KIMURA 278
Chromosomal Polymorphism and Sexual Isolation in Sibling Species of the Bocainensis Subgroup of Drosophila. FRANCISCO M. SALZANO 288
Adaptive Chromosomal Polymorphism in an Australian Grasshopper. M. J. D. WHITE 298
A Biometric Study of the Evolution of Fissipede Carnivores. M. CRUSAFONT-PAIRO and J. TRUYOLS-SANTONJA 314
Notes and Comments
Symposium on Evolution Held in Spain. G. G. SIMPSON 333
The Palaeobotanist. SUZANNE LE CLERCQ 334
Genetic Assimilation: Adaptation Versus Adaptability. FREDERICK E. WARBURTON 337
Climatic Rules. P. F. SCHOLANDER 339
Correction
H. G. Baker... Dimerphism in the Rubiacea. EVOLUTION, Vol. X, No. 1,
fig. 2 (1956) 340
Vol. X December 1956 No. 4
CONTENTS
Interfertility Between Two Sympatric Fishes, Notropis lutrensis and Notropis venustus. CLARK HUBBS and KIRK STRAWN 341
On the Evolution of Parthenogenesis in Lonchoptera (Diptera). HARRISON D. STALKER 345
Re-examination of the Diversity in Partula taeniata. DONALD W. BAILEY 360
Gene Frequency in Small Populations of Mutant Drosophila. PETER BURI 367
A Genetic Approach to the Systematics of Planorbid Molluscs. W. LABATO PARAENSE 403
Additional Observations on Chromosomal Translocations in Cotton hybrids. D. U. GERSTEL and PATRICIA A. SARVELLA 408
Interspecific Hybrids in New Zealand Argopyron. H. E. CONNOR 415
A Gene Mutatation Which Changes a Behavior Pattern. MARGARET BASTOCK 421
Notes and Comments
Further Comments on the Origin of the Tetrapods. COLEMAN J. GOIN and OLIVE B. GOIN 440
INDEX 442
Vol. XI March 1957 No. 1
CONTENTS
Relative Variability of Hybrids between the Darters, Etheostoma spectabile and Percina caprodes. CLARK HUBBS and KIRK STRAWN 1
Recent Migration and Evolution of the Dioecious Amaranths. JONATHAN SAUER 11
Natural Selection of Individually Harmful Social Adaptations Among Sibs, with Special Reference to Social Insects. GEORGE C. WILLIAMS and DORIS C. WILLIAMS 32
Radiation and the Origin of the Gene. CARL SAGAN 40
Origin of Life on Earth, Its Evolution and Actualism. M. G. RUTTEN 56
New Mutations Affecting Tryptophan-Derived Eye Pigments in Three Species of Insects. CALVIN L. WARD and CARL S. HAMMEN 60
Skeletal Adaptations in Two Species of Sceloporus. ERNEST L. LUNDELIUS JR 65
Relation between Frequency and Adaptive Value of Chromosomal Arrangements in Drosophila persimilis. ELIOT B. SPIESS 84
Selection in Drosophila willistoni in Relation to Food. L. C. BIRCH and BRUNO BATTAGLIA 94
Notes and Comments
Regularities of Transformation in the Flower. G. LEDYARD STEBBlNS 106
Reply to Professor Stebbins' review of: E. Nelson, "Gesetzmssigkeiten der Gestaltwandlung im Bliitenbereich, ihre Be-
deutung fur das Problem der Evolution." ERICH NELSON .. 108
Report on the Eleventh Annual Meeting of the Society for the Study of
Evolution. HARLAN LEWIS 110
Vol. XI June 1957 No. 2
CONTENTS
Principles of Natural Coexistence Indicated by Leafhopper Populations. HERBERT ROSS 113
A Quantitative Approach to a Problem in Classification. CHARLES D. MICHENER and ROBERT S. SOKAL 130
Sex Chromosomes in Amniota. R. MATTHEY and J. M. VAN BRINK 163
Phase and Moulting Polymorphism in Locusts. F. 0. ALBRECHT and R. E. BLACKITH 166
Evolutionary Trends in Crustacea (Malacostraca). M. F. GLAESSNER 178
Variation in Fertility of Hybrids between Isolated Populations of the Serpentine Species, Streptanthus glandulosus cook. ARTHUR R. KRUCKEBERG 185
Adaptive Evolution in the Avian Wing. D. B. 0. SAVILE 212
The Relation of an Inversion System to Recombination in Wild Populations. CARL EPLING, DONALD MITCHELL, and R. H. T. MATTONI 225
Changes in an Inversion System During a Hundred Generations. CARL EPLING and WM. R. LOWER 248
Notes and Comments
The Usefulness of Scholander's Views on Adaptive Insulation of Animals. LAURENCE IRVING 257
An Experimental Investigation of judgements Concerning Genera and Species. EDGAR ANDERSON 260
Notices 262
Vol. XI September 1957 No. 3
CONTENTS
Intraspecific Sympatry in the Lungless Salamander Ensatina eschscholtzi. ROBERT C. STEBBINS 265
Rate of Development of Viability Mutants in Drosophila melanogaster. GERT BONNIER and ULLA B. JONSSON 271
Genetics of Natural Populations XXVI: Chromosomal Variability in Island and Continental Populations of Drosophila willistoni from Central America and the West Indies. THEODOSIUS DOBZHANSKY 280
Ecological Niche Differentiation in the Boring Sponges (Clionidae). WILLARD D. HARTMAN 294
Numbers of Species of Ants in Faunae of Different Latitudes. M. KUSNEZOV 298
The Mesophragmatica Group of Species of Drosophila. DANKO BRNCIC and SUSI KOREFF SANTIBANEZ 300
An Experimental Study of Interaction between Genetic Drift and Natural Selection. THEODOSIUS DOBZHANSKY and OLGA PAVLOSKY 311
Factors Affecting Interbreeding in Sympatric Species of Spadefoots (Scaphiopus). A. 0. WASSERMAN 320
Adaptation in Hole-Nesting Birds. LARS VON HAARTMANN 339
Longevity of Hybrids between Geographic Populations of Drosophila pseudobscura. M. VETUKIV 348
Distribution and Specificity of Helmiths in Microtine Rodents: Evolutionary Implications. ROBERT RAUSCH 361
Notes and Comment
Cy L Versus Cy L-Pm Technique in Drosophila melanogaster. GERT BONNIER 369
Progestational Agents in Reptiles: A Possible Case of Physiological Preadaptation. RICHARD A. EDGREN and DAVID CALHOUN 372
Ecological Aspects of the Origins of the Tetrapods. ROBERT F. INGER 373
The Evolution of the Scrotum. R. RUIBAL 376
What is a Paleontological Species? MATTHEW H. NITECKI 378
Vol. XI December 1957 No. 4
CONTENTS
The Evolution of Cultivated Cacao. R. CIFERRI and F. CIFERRI ... 381
Pleiotropy, Natural Selection, and the Evolution of Senescence. GEORGE C. WILLIAMS 398
A Case of Darwinian Selection in Bears. BJORN KURTEN 412
What, If Anything, is a Rabbit? ALBERT E. WOOD 417
Fertility and Viability in Intergeneric Pheasant Hybrids. GUNNAR CONRAD SANDNES 426
Comments on the West Indian Honeycreeper or Bananaquit from Grenada and its Near Relative on St. Vincent. S. DILLON RIPLEY 445
The Pollination of Parkia by Bats and Its Attendant Evolutionary Problems. H. G. BAKER and B. J. HARRIS 449
Genetic Studies of a Laboratory Population of Paramecium aurelia, Variety 1. R. F. KimBALL, NENITA GAITHER and STELLA WILSON 461
Evolutionary Relationship Between Entomophilous Plants and Anthophilous Insects. E. E. LEPPIK 466
Fertile Hybrids Derived from a Wide Species Cross in Aster. CHARLOTTE J. AVERS 482
Correction 487
Announcements 487
Index 488
Vol. XII March 1958 No. 1
CONTENTS
A Reevaluation of the Derivation of Quercus margaretta from Quercus gambelii. JOHN M. TUCKER and CORNELIUS H. MULLER 1
Dependence of the Adaptive Values of Certain Genotypes in Drosophila pseudoobscura on the Composition of the Gene Pool. HOWARD LEVENE, OLGA PAVLOVSKY and THEODOSIUS DOBZHANSKY 18
The Beginnings of Nomadic and Group-predatory Behavior in the Ponerine Ants. E. 0. WILSON 24
Experimental Studies of Mimicry in Some North American Butterflies. Part I. The Monarch, Danaus plexippus, and Viceroy, Limenitis archippus archippus. JANE VAN ZANDT BROWER 32
The Niger, the Volta, and the Dahomey Gap as Geographic Barriers. A. H. BOOTH 48
Evolution and Variation in Trillium. 11. Variation in Some External Characters Observed in Natural Populations of Trillium kamtschaticum Pall. KAZUKO SAMEJIMA 63
Sexual Isolation and Variation in Mating Behavior within Drosophila athabasca. DWIGHT D. MILLER 72
Hybridization in Some Species of Pteris L. TREVOR G. WALKER 82
Studies on Competition in Plant and Animals. IX. Experimental Studies on Migration in Drosophila melanogaster. KAN-ICHI SAKAI, TAKASHI NARISE, YUICHIRO HIRAIZUMI and SHIN-YA IYAMA 93
Studies on Blood Groups in the American Bison (buffalo). D. OWEN, C. STORMONT and M. R. IRWIN 102
Notes and Comments
The Concept of Ecologic Niche, with Reference to the Theory of Natural Coexistence. JAY M. SAVAGE 111
Further Comments on Niches and Natural Coexistence. HERBERT H. ROSS 112
The Comparison of Observed and Calculated Zygotic Distributions. BRUCE WALLACE 113
Haplodiploidy in the Diaspididae-Confirmation of an Evolutionary Hypothesis. SPENCER W. BROWN 115
The Caudal Fin as a Hydrofoil. J. R. NURSALL 116
Report on the Twelfth Annual Meeting of the Society for the Study of
Evolution. HARLAN LEWIS 120
Vol. XII June 1958 No. 2
CONTENTS
Experimental Studies of Mimicry in Some North American Butterflies. Part II. Battus Philenor and Papilio troilus, P. polyxenes, and P. glaucus. JANE VAN ZANDT BROWER 123
Cytotaxonomic Studies on the Fern Genus Pellaea. ALICE F. TRYON and DONALD M. BRITTON 137
A Differentiation Index, and a New Measure of Evolutionary Rates. BJORN KURTEN 146
A Mathematical Model for the Co-evolution of Obligate Parasites and Their Hosts. CHARLES J. MODE 158
Geographic Isolation and Phenotypic Constitution of Populations of Lepidobatrachus asper, a Neotropical Batrachian Inhabitant of Arid Regions. J. M. CEI 166
Chromosome Numbers and Evolution of the Genus Colchicum. NAOMI FEINBRUN 173
On Population Structure in Generalized Hunting and Collecting Populations. JOSEPH B. BIRDSELL 189
Problems of Cultural Evolution. JULIAN H. STEWARD 206
Recent Changes in the Introduced Population of the Fire Ant Solenopsis saevissima (Fr. Smith). E. 0. WILSON and W. L. BROWN, JR 211
The Significance of Floral Constancy Among Bees of the Genus Diadasia (Hymenoptera , Anthophoridae). E. G. LINSLEY and J. W. MACSWAIN .. 219
Evolution in Three Genera of Australian Frogs. A. R. MAIN, A. K. LEE, and M. J. LITTLEJOHN 224
Chromosomal Adaptive Polymorphism in Drosophila persimilis 11. Effects of Population Cage Conditions on Life Cycle Components. ELIOT B. SPIESS 234
The Evolutionary Significance of Rare Matings in Animal Populations. James E. MOSIMANN 246
Notes and Comments
Loons and Their Wings. ROBERT W. STORER 262
The Loon Wing D. B. 0. SAVILE 263
Crossing Relationships in the Genus Carica. ANAND C. SAWANT 263
Commemts on the Origin and Phylogeny of the Angiosperms: Essay on the Origin of Augiosperms (M. G. Popov); On the Hybrid Origin of the Augiosperms (G. Ledyard Stebbins). M. G. POPOV (posthumous) and G. LEDYARD STEBBINS........... 266
The Geographical Distribution of Vertebrates. RALPH GORDON JOHNSON 270
Vol. XII September 1958 No. 3
CONTENTS
Experimental Studies of Mimicry in Some North American Butterflies. Part III. Danaus gilippus berenice and Limenitis archippus floridensis. JANE VAN ZANDT BROWER 273
Evolution and Variation in Japanese Species of Trillium. MASATAKA KURABAYASHI 286
Relationships of Allopatric Populations of Spadefoots (Genus Scaphiopus). AARON 0. WASSERMAN 311
Rapid Evolution in Clarkia. HARLAN LEWIS and PETER H. RAVEN 319
Evidence Suggesting a Hybrid Origin for Certain Leafhopper Species. HERBERT H. Ross 337
Possible Origin of Dermal Temperature Regulation. RAYMOND B. COWLES 347
Balanced Polymorphism in Tisbe reticulata, a Marine Copepod. BRUNO BATTAGLIA 358
Tetrapod Limbs and Early Tetrapod Life. ALFRED S. ROMER .... 365
Comments on the Definition of Genera. ROBERT F. INGER 370
Genetics of Natural Populations XXVII. The Genetic Changes in Populations of Drosophila pseudoobscura in the American Southwest. THEODOSIUS DOBZHANSKY 385
Hybrid Vigor, Heterosis, and Evolution in Paramecium aurelia. R. W. SIEGEL 402
Notes and Comments
The Evolutionary Significance of the Scrotum- RAYMOND B. COWLES 417
Interaction Between Genetic Drift and Natural Selection. BRYAN CLARKE and MARK WILLIAMSON 418
Comment on "Interaction Between Genetic Drift and Natural Selection." THEODOSIUS DOBZHANSKY and OLAG PAVLOVSKY 419
Additional Notes on the Origin of Tetrapods. R. B. COWLES . . 419
Transatlantic Connections and Long-distance Dispersal. ASKELL LOVE 421
Hybridization Between Dioecious Hermaphrodite Species in the Caryophyllaceae.
H. G. BAKER 423
Vol. XII December 1958 No. 4
CONTENTS
Land Bridges and Ecology in Bat Distribution on Islands off the Northern Coast of South America. KARL F. KOOPMAN ... 429
Observations of the Ecology of Paramecium, with Comments on Species Problem. NELSON G. HAIRSTON 440
Evolution and Biogeography of the Aplodontid and Mylagualid Rodents. J. ARNOLD SHOTWELL 451
The Origin of Sexual Isolation between Different Lines within a Species. S. KOREF SANTIBANEZ and C. H. WADDINGTON 485
Studies on Heterozygosity and Homeostasis II. Loss of Heterosis in a Constant Environment. R. C. LEWONTIN 494
Natural Selection in Water Snakes (Natrix sipedon L.) on Islands in Lake Erie. JOSEPH H. CAMIN and PAUL R. EHRLICH 504
A Conspectus of Hybridization in the Orchidaceae. HELEN ADAMS and EDGAR ANDERSON 512
Eye Pigment Relationships in Three Species Groups of Drosophila. D. J. NOLTE 519
The Average Effect of Radiation-Induced Mutations on Viability in Drosophila melanogaster. BRUCE WALLACE 532
Notes and Comments
300 Species of Drosophila in Hawaii?-A Challenge to Geneticists and Evolutionists. ELWOOD C. ZIMMERMAN 557
Morphological Integration. JOHN IMBRIE 558
Report on the Thirteenth Annual Meeting of the Society for the Study of Evolution. HARLAN LEWIS 560
Index for Volume XII 563
Vol. XIII March 1959 No. 1
CONTENTS
Polygenes in Eye Pigment Production in Drosophila Species. D. J. NOLTE 1
Late Cenozoic Evolution of the Sierran Bigtree Forest. DANIEL I. AXELROD 9
Polyploidy in Gymnosperms. T. N. KHOSHOO 24
Speciation in Butterflies of the Papilio glaucus Group. I. Morphological Relationships and Hybridization. LINCOLN P. BROWER 40
A Study of Hybrids in Colias (Lepidoptera, Pieridae). SHIGERU ALBERT AE 64
Geographical Differentiation of Inversion Systems in Drosophila subobscura. ELISABETH STUMM-ZOLLINGER and ELISABETH GOLDSCHMIDT 89
The Pelycosaur Tympanum and Early Evolution of the Middle Ear. NICHOLAS HOTTON III 99
Adaptive Shift and Dispersal of a Tropical Ant Fauna. EDWARD 0. WILSON 122
Notes and Comments
Variability and Environment. J. HESLOP-HARRISON 145
The Antennae of Drosophila Females. LEE EHRMAN 147
Some Comments on the Evolution of Arthropoda. HOWARD P. EVANS 147
Perspectives in Marine Biology. RALPH G. JOHNSON 149
Announcements 150
Vol. XIII June 1959 No. 2
CONTENTS
A Unique Balanced Breeding System in the Vernal Pool Mouse Tails. DONALD E. STONE 151
Nasal Anatomy and the Phylogeny of Reptiles. THOMAS S. PARSONS 175
Chromosomal Evolution in the Subtribe Asterinae. YUKIO HUZIWARA 188
Preadaptation and Multiple Evolutionary Pathways. WALTER J. BOCK 194
Speciation in Butterflies of the Papilio glaucus Group. II. Ecological Relationships and Interspecific Sexual Behavior. LIN-
COLN P. BROWER 212
Evolution in Upper Jurassic Ammonites. BERNHARD ZIEGLER 229
Population Analysis of a Hybrid Swarm between Gambusia affinis and G. heterochir. CLARK HUBBS 236
Contact between the Ranges of Two Allopatric Species of Pocket Gophers. THOMAS E. KENNERLY, JR 247
Evolution of the Psilophyte Paleoflora. DANIFL I. AXELROD 264
Notes and Comments
Chromosomal Aberrations in Podophyllum peltatum. LESTER J. NEWMAN 276
Is Hordeum agriocrithon the Ancestor of Six-Rowed Cultivated Barley? DANIEL ZOHARY 279
"Origins of Angiospermous Plants." VERNE GRANT 281
Books Received 282
Errata 282
Vol. XIII September 1959 No. 3
CONTENTS
Multivariate Geographical Variation in the Wolf, Canis lupus L.PIERRE JOLICOEUR 283
Barriers to Gene Exchange within Mimulus guttatus (Scrophulariaceae). ROBERT K. VICKERY, JR 300
Natural Triploids in the Orchard Grass, Dactylis glomerata L. Polyploid Complex and Their Significance for Gene Flow from Diploid to Triploid Levels. DANIEL ZOHARY and UZI NUR 311
Population Studies on Viola lactea Sm. and its Wild Hybrids. D. M. MOORE 318
Limited Penetration of Barriers as a Factor in Evolution. D. B. 0. SAVILE 333
The Evolution of Mammalian Characters. EVERETT C. OLSON 344
Eocene Radiation and Phylogeny of the Rodents. ALBERT E. WOOD 354
Round Trip from Space. MELVIN CALVIN 362
Evolution in the Genus Geum. W. GAJEWSKI 378
Genetics of Natural Populations. XXVIII. Supplementary Data on the Chromosomal Polymorphism in Drosophila willistoni in its Relation to the Environment. A. BRITO DA CUNHA, TH. DOBZHANSKY, 0. PAVLOVSKY and B. SPASSKY 389
Mesozoic Mammals and the Polyphyletic Origin of Mammals. GEORGE GAYLORD SIMPSON 405
Notes and Comments
The Perianth of Aristolochia- a New Interpretation. JACOB W. LORCH 415
Dating the Origin of Life on Earth. MICHAEL H. BRIGGS 416
Lepturus and Monerma: a Remarkable Example of Parallel Development of Gross Morphology in Grasses. TUGUO TATEOKA 418
Comments on Quantitative Systematics. ROBERT R. SOKAL ... 420
Reply to Sokal. ROBERT F. INGER 423
Books Received 423
Vol. XIII December 1959 No. 4
CONTENTS
Canalization of the Scute Phenotype of Drosophila. J. M. RENDEL 425
Some Aspects of Evolution in Lake Nyasa. GEOFFREY FRYER 440
Call Differentiation in a Complex of Seven Species of Crinia (Anura, Leptodactylidae). MURRAY J. LITTLEJOHN 452
Ecotypic Variation in Nigella arvensis L. YOAV WAISEL 469
Discrete Populations Derived by Interspecific Hybridization and Selection in Nicotiana. HAROLD H. SMITH and KEVIN DALY 476
Area, Climate and Evolution. PHILIP J. DARLINGTON, JR 488
Delphinium gypsophilum, a Diploid Species of Hybrid Origin. HARLAN LEWIS and CARL EPLING 511
Chromosomal Distribution of Mutator- and Radiation-induced Mutations in D. melanogaster. P. T. IVES 526
Ecological and Physiological Observations on Polymorphic Populations of the Toad, Bufo arenarum Hensel, from Argentine. J. M. CEI 532
Hemolymph Polymorphism in a Moth and the Nature of Sex-controlled Inheritance. G. STEHR 537
Notes and Comments
The Goodness-of-fit Test for Detecting Natural Selection in Random Mating Populations. R. C. LEWONTIN and C. CLARK COCKERHAM 561
Notes on Relative Fitness of Genotypes that Forms a Geometric Progression. C. C. Li 564
On the Evolutionary Importance of Cytoplasmic Sterility in Mosquitoes. ERNST CASPARI and G. S. WATSON 568
Exchange of Genetic Material. PATRICIA ST. LAWRENCE 570
Forerunners of Darwin. CONWAY ZIRKLE 573
Books Received 573
Errata 574
Index for Volume XIII
Vol. XIV March 1960 No. 1
CONTENTS
Courtship and Sensory Preferences in Inbred Lines of Drosophila melanogaster. H. F. HOENIGSBERG and S. KOREF SANTIBANEZ 1
Osteometric Variation and Function in Bats. ROBERT S. BADER and JOHN S. HALL 8
A Study of Plant Competition in Relation to Development. JOSHUA A. LEE 18
Studies on the Japanese Honeybee, Apis cerana cerana Fabricius. VIII. Two Opposing Adaptations in the Post-stinging Behavior of Honeybees. SHOICHI F. SAKAGAMI and YUKIO AKAHIRA 29
Food Preferences of Larval and Adult Drosophila. DONALD M. COOPER 41
The Behavior of Cytoplasmic Pollen Sterility in Populations. G. S. WATSON and ERNST CASPARI 56
Latitudinal Variations in Organic Diversity. ALFRED G. FISCHER 64
Stage of Speciation of Two Allopatric Populations of Chorus Frogs (Pseudacris). W. FRANK BLAIR and MURRAY J. LITTLEJOHN 82
A Cytogenetic Study of Clarkia exilis. FRANK C. VASEK 88
Evolution of Gametophytic and Sporophytic Systems of Self-incompatibility in Angiosperms. KAMLA KANT PANDEY 98
Interaction Between Inversion Polymorphisms of Two Chromosome Pairs in the Grasshopper, Moraba scurra. R. C. LEWONTIN and M. J. D. WHITE 116
Notes and Comments
A Critique of "Morphological Integration." WALTER J. BOCK 130
Morphological Integration: a Discussion. ROBERT L. MILLER and EVERETT C. OLSON 132
Determination of Drosophila Karyotypes from Adult Males. FRANCES E. CLAYTON 134
Supernumerary Chromosomes in Haplopappus gracilis. R. C. JACKSON 135
Natural Selection in Middle Island Water Snakes (Natrix sipedon L.). PAUL R. EHRLICH and JOSEPH H. CAMIN 136
Possible Evidence of Rapid Evolution in Hawaiian Moths. ELWOOD C. ZIMMERMAN 137
Origins of Angiospermous Plants. G. LEDYARD STEBBINS 138
Evolutionary Morphology of Plants. VERNE GRANT 139
Molecular Biology. G. COHEN-BAZIRE 141
Books Received 141
Report of the Secretary 142
Vol. XIV June 1960 No. 2
CONTENTS
Mate Preference in Males of Four Species of Gambusiine Fishes. CLARK HUBBS and EXALTON A. DELCO, JR I45
The Pattern of Interspecific Variation in the Genus Oryza: Its Quantitative Representation by Statistical Methods. HIROKO MORISHIMA and HIKOICHI OKA 153
Chromosomal Polymorphism in Egyptian Populations of Drosophila melanogaster. A. M. MOURAD and G. S. MALLAH 166
The Ecological Significance of Correlation Pleiades. R. L. BERG 171
Evolutionary Consequences of Hybrid Sterility and Vigor in Toads. E. PETER VOLPE 181
The Chorda Tympani and Middle Ear as Guides to Origin and Divergence of Reptiles. NICHOLAS HOTTON III 194
The Genetics of Hybrid Sterility in Drosophila paulistorum. LEE EHRMAN 212
Evolution and Variation in Trillium. VI. ICHIRO FUKUDA, YOICHIRO HIRAIZUMI, TAKASHI NARISE and MASATAKA KURABAYASHI 224
Evolution and Variation in Trillium. VII. YOSHIMICHl KOZUKA and MASATAKA KURABAYASHI 232
The Breeding Group and Seed Storage: a Study in Population Dynamics. CARL EPLING, HARLAN LEWIS and FRANCIS M. BALL 238
The Cytoplasmic "Sex-Ratio" Condition in Drosophila. G. S. WATSON 256
Notes and Comments
Mutant Genes and Linkage Relationships in Drosophila paulistorum.
CHANA MALOGOLOWKIN and LEE EHRMAN 266
Evolutionary Fundamentals of Plant Breeding. ASKELL LOVE 270
Darwin, and after Darwin. H. G. BAKER 272
On the Possibly Polyphyletic Origin of Reptiles. PETER PAUL VAUGHN 274
Books Received 276
Vol. XIV September 1960 No. 3
CONTENTS
Regional Melanism in Aquatic Beetles. FRANK N. YOUNG 277
Cytogenetics of the Grasshopper Moraba scurra. V. Biometric Effects of Chromosomal Inversions. M. J. D. WHITE and LESLEY E. ANDREW 284
Genetic Variability in Korean Populations of Drosophila melanogaster. YONG KYUN PAIK 293
Therapsids as Mammals. LEIGH VAN VALEN 304
Polyphyletic or Monophyletic Ancestry of Mammals, or: What Is a Class? CHARLES A. REED 314
The Endemic Fish Fauna of Lake Lanao, and the Evolution of Higher Taxonomic Categories. GEORGE SPRAGUE MYERS 323
Allochronic Speciation in Field Crickets, and a New Species, Acheta veletis. RICHARD D. ALEXANDER and ROBERT S. BIGELOW 336
Pattern of Chromosome Variability in Drosophila pseudoobscura. ERIC TERZAGHI and DANIEL KNAP 347
Heritability of Geographic Variation in Trunk Segmentation in the Red-Backed Salamander, Plethodon cinereus. RICHARD HIGHTON 351
The Evolution of Thermiphilous Water Mites. RODGER MITCHELL 361
Reproductive Isolation Between Drosophila tolteca and Related Species. STEWART E. ENSIGN 378
Notes and Comments
Evolution of Communication in Bees and Its Role in Speciation. WARWICK E. KERR 386
Diagnosis of the Classes Reptilia and Mammalia. GEORGE GAYLORD SIMPSON 388
The Antecedents of Man. EDWIN H. COLBERT 392
Fish Evolution in Lake Nyasa. GEORGE SPRAGUE MYERS 394
Evolution of Fishes in Lake Nyasa. GEOFFREY FRYER 396
Genetics and Darwinism. SPENCER W. BROWN 400
Books Received 401
Vol. XIV December 1960 No. 4
CONTENTS
Ecological Aspects of Flower Evolution. I. Phyletic Evolution. L. VAN DER PIJL 403
Evolution of Cellular Antigens in Columbidae. J. H. STIMPHLING and M. R. IRWIN 417
Differential Radiosensitivity Among the Probable Genome Donors of Bread Wheat. R. A. PAI and M. S. SWAMINATHAN 427
Meiotic Drive in Natural Populations of Drosophila melanogaster. III. Populational Implications of the Segregation-Distorter Locus. YUICHIRO HIRAIZUMI, L. SANDLER and JAMES F. CROW 433
Introgressive Hybridization Between Two Southeastern Treefrogs. JOHN S. MECHAM 445
The Evolutionary Dynamics of Complex Polymorphisms. R. C. LEWONTIN and KEN-ICHI KOJIMA 458
Pseudogamy as an Evolutionary Factor in the Poeciliid Fish Mollienisia formosa. CARYL P. HASKINS, EDNA F. HASKINS and RICHARD E. HEWITT 473
Isolating Mechanisms in Three Sympatric Treefrogs in the Canal Zone. M. J. FOUQUETTE, JR 484
Evolutionary Aspects of Aberrant Meiosis in Some Pentatominae (Heteroptera). FRANZ SCHRADER 498
Evolution and Cybernetics. I. I. SCHMALHAUSEN 509
Notes and Comments
Mating Preferences in Drosophila. DAVID J. MERRELL 525
Sexual Behavior: a Discussion. H. F. HOENIGSBERG 527
Comments on the Origin of the Amniote Eggs. J. A. TIHEN 528
A Functional Index of Hypsodonty. LEIGH VAN VALEN 531
The Alpha and Omega of Current Evolutionary Thought. I. MICHAEL LERNER 533
Books Received 535
Announcement 535
Index for Volume XIV
Vol.XV March 1961 No. I
CONTENTS
Studies on Natural Populations of Drosophila. I. Heat Resistance and Geographical Variation in Drosophila melanogaster and D. simulans. A. 0. TANTAWY and G. S. MALLAH 1
Mimetic Assemblages of Sibling Species of Lycid Beetles. E. G. LINSLEY, T. EISNER, and A. B. KLOTS 15
Interrelationships and Evolutionary Patterns of Cellular Antigens in Columbidae. M. R. IRWIN and W. J. MILLER 30
Ecological Aspects of Flower Evolution. II. Zoophilous Flower Classes. L. VAN DER PIJL 44
Changes in the Variation Pattern of a Hybrid Population of Helianthus over an Eight-Year Period. G. L. STEBBINS and K. DALY. 60
Mimicry in Procryptically Colored Snakes of the Genus Dasypeltis. CARL GANS 72
Integration of the Genotype in Geographic Populations of Drosophila pavani. DANKO BRNCIC 92
Thermal Relations of Five Species of Tropical Lizards. RODOLFO RUIBAL 98
Notes and Comments
A Basic Work on Evolutionary Theory. GEORGE GAYLORD SIMPSON 112
Books Received 113
Announcements 114
Vol. XV June 1961 No. 2
CONTENTS
Vestigial Characters of Termites and Processes of Regressive Evolution. ALFRED E. EMERSON 115
Developmental Homeostasis in Populations of Drosophila pseudoobscura. A. O. TANTAWY 132
The Consequences of Interchange. H. REES 145
Conditions for the Existence of Bacteriophage. ALLAN CAMPBELL 153
Ecotypic Differentiation: Observations and Reflections. J. W. GREGOR and PATRICIA J. WATSON 166
Cowbird Parasitism and the Population of the Kirtland's Warbler. HAROLD MAYFIELD 174
The Adaptive Significance of Intraspecific Trends of Variation in Wing Length and Body Size among Bird Species. T. H. HAMILTON 180
Blood Groups and the Taxonomic Status of American Buffalo and Domestic Cattle. C. STORMONT, W. J. MILLER, and Y. SUZUKI 196
The Evolution and Ecology of Closely Related Species Living in the Same Area. JOHN L. HARPER, J. N. LATWORTHY, I. H. McNAUGHTON, and G. R. SAGAR 209
"Operational Niches" and "Community Interaction Values" as Determined from in vitro Studies of Some Soil Algae. BRUCE C. PARKER and B. L. TURNER 228
Isoallelic Competition in Populations of Drosophila melanogaster Containing a Genetically Heterogeneous Background. BENJAMIN HOCHMAN 239
Morphological and Cytological Variation in Helianthus petiolaris with Notes on Related Species. CHARLES B. HEISER, JR 247
Notes and Comments
Evidence for Genetic Drift in Indian Rats (Rattus rattus L.). HANS GRUNEBERG 259
Taxonomy, Molecular Biology, and the Peck Order. THEODOSIUS DOBZHANSKY 263
Books Received 265
Announcement 265
Report on the Fifteenth Annual Meeting of the Society for the Study
of Evolution 266
Vol. XV September 1961 No. 3
CONTENTS
Histocompatibility Genetics of Bullfrog Populations. W. H. HILDEMANN and R. HAAS 267
Polyploidy, Phylogeny, and Photoperiodism in Old World Buddleia. RAYMOND J. MOORE 272
A Salamander Color Variant Associated with Glacial Boundaries. GORDON R. THUROW 281
Convergence and Parallelism in Cave Entomobryinae. KENNETH CHRISTIANSEN 288
Reproductive Mechanism of Unisexual and Bisexual Strains of the Viviparous Fish Poeciliopsis. R. JACK SCHULTZ 302
Directions of Differentiation in Populations of Wild Rice, Oryza perennis and 0. sativa f. spontanea. HIROKO MORISHIMA, HIKO-ICHIOKA and WEN-TSAI CHANG 326
Chromosomal Fitness Changes in Experimental Populations of Drosophila persimilis from Timberline in the Sierra Nevada. ELIOT B. SPIESS 340
A Comparison of the Ninhydrin Positive and Phenolic Substances of Parotoid Gland Secretions of Certain Bufo Species and Their Hybrids. DON HUNSAKER, 11, R. E. ALSTON, W. F. BLAIR, and B. L. TURNER 352
Natural Selection Between Two Species of Tephritid Fruit Fly of the Genus Dacus. L. C. BIRCH 360
Notes and Comments
Some Cytotaxonomic Problems in the Crassulaceae. CHARLES H. UHL 375
Ficus and Blastophaga. H. G. BAKER 378
Lethals in Ontogeny. H. P. DONALD 380
Biological Clocks. P. MARLER 382
Books Received 383
Announcement 383
Vol.XV December 1961 No. 4
CONTENTS
Population Dynamics of a Variant t-Alele in a Confined Population of Wild House Mice. L. C. DUNN and HOWARD LEVENE 385
Divergence in Tripsacum and Zea Chromosomes. MARJORIE P. MAGUIRE 394
Courtship and Sexual Isolation in Drosophila Pavani Brncic and Drosophila gaucha Jaeger and Salzano. SUSI KOREF-SANTIBANEZ and EDUARDO DEL SOLAR 0. 401
Galipagos Tomatoes and Tortoises. CHARLES M. RICK and ROBERT I. BOWMAN 407
Hybrid Swarms Between Wild and Cultivated Rice Species, Oryza perennis and 0. sativa. HIKO-ICHI OKA and WEN-TSAI CHANG 418
Historical Zoogeography of Australian Mammals. GEORGE GAYLORD SIMPSON 431
Frequencies and Allelism of Lethal Factors Within and Between Gene Arrangements. I. San Jacinto Mountains. CARL EPLING, VICTOR E. TINDERHOLT, and R. H. T. MATTONI 447
Floral Evolution in the Family Gramineae. H. T. CLIFFORD 455
The Evolutionary Status of Drosophila serrata. THEODOSIUS DOBZHANSKY and WHARTON B. MATHER 461
Evolution in a Group of Indo-Australian Eumenes (Hymenoptera, Eumenidae). J. VAN DER VECHT 468
Food-Plant Specialization in the Moth Panaxia dominula L. L. M. COOK 478
Peculiar Gene Arrangements in Brazilian Natural Populations of Drosophila ananassae. N. FREIRE-MAIA 486
Heterosis and Fitness in Experimental Populations of Drosophila melanogaster. HAMPTON L. CARSON 496
Outlines of Evolution in the Pseudogamous Ranunculus auricomus Group in Finland. GUNNAR MARKLUND and ARNE ROUSI 510
Studies on European Lampreys. GIUSEPPE S. J. ZANANDREA 523
Chromosomal Adaptive Polymorphism in Drosophila persimilis. III. Mating Propensity of Homokaryotypes. ELIOT B. SPIESS and BOZENA LANGER. Appendix by C. C. LI 535
The East Pacific Barrier and the Distribution of Marine Shore Fishes. JOHN C. BRIGGS 545
Tests for Social Discrimination Between Three Species of the Peromyscus truei Species Group of White-footed Mice. J. R. TAMSITT 555
Notes and Comments
A Possible Phylogenetic Interpretation of the Annelidicolous Copepod Phyllocola petiti Delamare & Laubier. R. V. GOTTO 564
Larval Competition and the Origin of Tetrapods. FREDERICK E. WARBURTON and NORRIS S. DENMAN 566
Studies in Warning Coloration and Mimicry. III. Evolution of Mullerian Mimicry. JAMES E. HUHEEY 567
Books Received 568
Report on the Sixteenth Annual Business Meeting of the Society for the
Study of Evolution 569
Vol. XVI March 1962 No. I
CONTENTS
A Weighted Hybrid Index. WILLIAM H. HATHEWAY 1
Sympatry in Palearctic Alectoris Partridges. GEORGE E. WATSON 11
Patterns of Chromosomal Evolution in the Immigrans Group of Drosophila. WHARTON B. MATHER 20
Cytology and Evolution in the Fern Genus Pteris L. TREVOR G.WALKER 27
Hybridization Between Amphidiploids and the Evolution of Polyploids in the Wheat (Aegilops-Triticum) Group. DANIEL ZOHARY and MOSHE FELDMAN 44
Ethological Isolating Mechanisms in the Sceloporus torquatus Group of Lizards. DON HUNSAKER II 62
A Unique Type of Sex Chromosome Mechanism in an Australian Mantid. M. J. D.WHITE 75
Cytogenetic Studies in Lilium callosum. IV. Transmission and Multiplication of a Small Supernumerary B Chromosome. HIROSHI KAYANO 86
Population Studies in Predominantly Self-pollinated Species. II. Analysis of Quantitative Genetic Changes in a Bulk-hybrid Population of Barley. R. W. ALLARD and S. K. JAIN 90
Comparative Cytology and the Evolution of Life. LAWRENCE S. DILLON 102
On the Origins of the Major Groups of Animals. J. R. NURSALL 118
Books Received 124
Announcement 124
A Study of Fluctuating Assymmetry. LEIGH VAN VALEN 125
Paratoid Glancd Secretions in Two Species Groups of Toads (Genus Bufo). JAMES L. WITTLIFF 143
The Genetic System of Cultivated Diploid Potatoes. KENNETH S. DODDS and G. J. PAXMAN 154 Butterflyweed Revisited. ROBERT E. WOODSON, JR. 168
The Evolution of a Pattern. K. C. SONDHI 186
Phylogeny of the Scitamineae- Morphological and Anatomical Considerations. P. H. TOMLINSON 192
Disruptive Selection and its Effect on a Metrical Character in the Butterfly Papilio dardanus. C. A. CLARK and P. M. SHEPPARD 214
Variation and Covariation of Characters of Alate Pemphigus populi-transversus in Eastern North America. ROBERT R. SOKAL 227
Cytogenetic Studies in Lilium callosum. V. Supernumerary B Chromosomes in Wild Populations. HIROSHI KAYANO 246
Books Received 254
Announcements 254
Notes and Comments
Parthenogenesis in Scorpions. F. A. MATTHIESEN 255
Vol. XVI September 1962 No. 3
CONTENTS
Catastrophic Selection as a Factor in Speciation. HARLAN LEWIS 257
Growth Fields in the Dentition of Peromyscus. LEIGH VAN VALEN 272
Genetic System, Variation, and Adaptation in Eschscholzia californica. STANTON A. COOK 278
Paedomorphosis, Acceleration, and Caenogenesis in the Evolution of Texas Cretaceous Ammonoids. DAVID L. CLARK 300
The Evolution and Dispersal of the Permian Fusulinid Genera Pseudoschwagerina and Paraschwagerina. CHARLES A. ROSS 306
Lycid Predation by Mimetic Adult Cerambycidae (Coleoptera). T. EISNER, F. C. KAFATOS, and E. G. LINSLEY 316
The Diploid-like Cytological Behavior of Tetraploid Cotton. J. E.
Incipient Taxonomic Divergence in Chironomus (Diptera)? A. B. ACTON 330
Effect of Introgression on the Serpentine Endemism of Quercus durata. M. B. FORDE and D. G. FARIS 338
Cyclic Hybridization as a Survival Mechanism in the New Zealand Forest Flora. J. A. RATTENBURY 348
Amphibian Eggs and the Montane Environment. OLIVE B. GOIN and COLEMAN J. GOIN 364
Interspecific Hybridization in the Ranunculus lappaceus Group.
Book Review 391
Correction 304
Vol. XVI December 1962 No. 4
CONTENTS
Symposium on Comparative Biological Studies of Crickets Introduction. THOMAS E. MOORE 395
Factors Affecting Developmental Rates and Diapause in Field Crickets. R. S. BIGELOW 396
Factors Responsible for Intraspecific Variation in the Calling Songs of Crickets. THOMAS J. WALKER 407
Central Nervous Control of Sotind Production in Crickets and Some Speculations on its Evolution. FRANZ HUBER 429
Evolutionary Change in Cricket Acoustical Communication. RICHARD D. ALEXANDER 443
The Evolution of Prey-carrying Mechanisms in Wasps. HOWARD E. EVANS 468
Cytogenetic and Evolutionary Studies in Secale. II. Interrelationships of the Wild Species. GURDEV S. KHUSH 484 Population Genetics of the Gynogenetic Teleost, Mollienesia formosa (Girard). KLAUS D. KALLMAN 497
Allometric Relationships in Lions vs. Domestic Cats. D. DWIGHT DAVIS 505
Ecological Diversification in Sympatric Gastropods of the Genus Busycon. ROBERT T. PAINE 515
Evolution of Bird Navigation and the Earth's Axial Precession. SAM L. AGRON 524
Notes and Comments
Reproductive Isolation Between Drosophila melanogaster and D.pseudoobscura. LEIGH VAN VALEN and LEE EHRMAN 528
Some Remarks on Herbivorous Lizards. HENRYK SZARSKI 529
Book Review 530
Books Received 530
Minutes of the Seventeenth Annual Business Meeting 531
Evolutionary Relationships of North American Toads of the Genus Bufo: A Progress Report. W. FRANK BLAIR 1
Fecundity and Speciation in Lampreys. M. W. HARDISTY 17
Ecogeographic Variation and Introgression in an Avian Visual Signal: The Crest of the Steller's Jay, Cyanocitta stelleri. JERRAM L. BROWN 23
Evolution of Fitness in Experimental Populations of Drosophila pseudoobscura. MONROE W. STRICKBERGER 40
The Estimation of Relative Fitness of Drosophila Populations. II. Experimental Evaluation of Factors Affecting Fitness. J. S. F. BARKER 56
Relative Fitness of Geographic Races of Drosophila serrata. L. C. BIRCH, TH. DOBZHANSKY, P. 0. ELLIOTT, and R. C. LEWONTIN 72
Caenogenetic Differentiation of Mouth Hooks in Drosophilid Larvae. TOYOHI OKADA 84
Courtship and Sexual Isolation in Five Species of the Mesophragmatica Group of the Genus Drosophila. SUSI KOREF-SANTIBANEZ 99
The Antitropical Factor in Cetacean Speciation. J. L. DAVIES 107
Notes and Comments
Further Notes on Ficus and Blastophaga. IRA J. CONDIT 117
Books Received 118
Book Reviews
Russian Viewpoints on Evolution. EVERETT C. OLSON 119
Vol. 17 June 1963 No. 2
CONTENTS
Fitness and Environmental Variation. 1. A Study of Some Polymorphic Populations of Drosophila pseudoobscura. J. A. BEARDMORE AND LOUIS LEVINE 121
Larval Color Pattern in Papilio demodocus. C. A. CLARKE, C. G. C. DICKSON, AND P. M. SHEPPARD 130
The Estimation of Relative Fitness of Drosophila Populations. Ill. The Fitness of Certain Strains of Drosophila melanogaster. J. S. F. BARKER 138
Cytogenetics of the Grasshopper Moraba scurra. VII. Geographic Variation of Adaptive Properties of Inversions. M. J. D. WHITE, R. C. LEWONTIN, AND LESLEY E. ANDREW 147
Decreased Variability in the Cestode Hymenolepis diminuta Following Irradiation of Successive Generations. P. S. JOB, A. W. JONES, J. A. DVORAK, AND R. L. KISNER 163
Comparison of Modes of Evolution of Cultivated Forms from Two Wild Rice Species, Oryza breviligulata and 0. perennis. HIROKO MORISHIMA, KOKICHI HINATA, AND HIKO-ICHI OKA 170
On the Measurement of Natural Selection Dependent on Several Loci. P. A. P. MORAN 182
The Interrelationships of the Incipient Species Within the Drosopkila paulistorum Complex. CH. MALOGOLOWKIN 187
Pleistocene Zoogeography of the Lemming, Dicrostonyx. JOHN E. GUILDAY 194
Genetic Structure of Populations. 1. On the Nature of the Genetic Load in the South Amherst Population of Drosophila melanogaster. H. T. BAND AND P. T. IVES 198
Barriers to Interbreeding in Lycopersicon peruvianum. CHARLES M. RICK 216
Population Genetic Studies of Alleles at the a+ Locus in Ephestia kuhniella. WILLIAM B. COTTER, JR. 233
Social Modifications Related to Rareness in Ant Species. EDWARD 0. WILSON 249
The Ecological Genetics of the Mutant Sooty in Populations of Tribolium castaneum. GUNTHER SCHLAGER 254
Book Reviews
Illuminating the Tangled Bank. RICHARD F. JOHNSTON 274
Evolution in Periodical Cicadas. GEORGE W. BYERS 275
The Evolution of Diversity in Animals. KENNETH B. ARMITAGE 276
Books Received 277
Correction 277
The Measurement of Effective Population Number. MOTOO KIMURA AND JAMES F. CROW 279
The Evolution of the Structural Pattern in a Rye B Chromosome. A. LIMA-DE-FARIA 289
Karyotype Differentiation in Trillium sessile and T. ovatum in the Western United States. MASATAKA KURABAYASHI 296
Genetic Structure of Populations. II. Viabilities and Variances of Heterozygotes in Constant and Fluctuating Environments. H. T. BAND 307
The Evolution of Variation and Distributional Patterns in European Populations of the Three-spined Stickleback, Gasterosteus aculeatus. JOACHIM MUNZING 320
Genetics of Natural Populations. XXXIII. A Progress Report on Genetic Changes in Populations of Drosophila pseudoobscura and Drosophila persimilis in a locality in California. THEODOSIUS DOBZHANSKY 333
The Genetics of a Naturally Occurring Coat-Color Mutation in the California Vole. WILLIAM Z. LIDICKER, JR. 340
Cytology and Phylogeny of Liverworts. GEOFFREY K. BERRIE 347
A Multiple Interchange Variant in a Natural Population of Anemone cylindrica. MARGARET HEIMBURGER AND IKUKO E. KAMITAKAHARA 358
Notes and Comments
Further Comments on Herbivorous Lizards. JOHN H. OSTROM 368
A Theorem on Possible Kinds of Mating Systems Which Tend to Increase Heterozygosity. ALFRED F. NAYLOR 369
Book Reviews
Human Evolution. WILLIAM M. BASS 371
Notes and Comments on the Implications of Evolution. ELWOOD B. EHRLE 372
Books Received 372
Vol. 17 December 1963 No. 4
CONTENTS
An Equilibrium Theory of Insular Zoogeography. ROBERT H. MACARTHUR AND EDWARD 0. WILSON 373
Isolation, Endemism, and Multiplication of Species in the Darwin Finches. TERRELL H. HAMILTON AND IRA RUBINOFF 388
Interactions between Major Genes and Polygenes in the Determination of the Mimetic Patterns of Papilio dardanus. C. A. CLARKE AND P. M. SHEPPARD 404
On Some Contradictions in General Taxonomy and Evolution. ALEXANDER A. LUBISCHEW 414
The Evolution of the Mammalian jaw. A. W. CROMPTON 431
The "Nondescript" Blackbird from Arizona: An Intergeneric Hybrid. ROBERT K. SELANDER AND ROBERT W. DICKERMAN 440
Competition and Blackbird Social Systems. GORDON H. ORIANS AND GERALD COLLIER 449
The Cytogenetics of Gossypium and the Origin of New World Cottons. LYLE L. PHILLIPS 460
Population Studies in Predominantly Self-Pollinated Species. IV. Seasonal Fluctuations in Estimated Values of Genetic Parameters in Lima Bean Populations. R. W. ALLARD AND P. L. WORKMAN 470
"Heterosis" in Drosophila. DAVID J. MERRELL 481
Studies on the Advantage of Heterokaryotypes in the Tumorous-Head Strain of Drosophila melanogaster. CHARLES M. WOOLF AND KATHLEEN CHURCH 486
Equilibrium under Differential Selection in the Sexes. C. C. LI 493
The Compilospecies Concept. JACK R. HARLAN AND J. M. J. DE WET 497
Density and Distribution of Drosophila polymorpha and its Color Alleles in South America. WILLIAM B. HEED 502
Distribution and Interrelationships of Incompatibility Barriers in the Lycopersicon hirsutum Humb. and Bonpl. Complex. FRANKLIN W. MARTIN 519
The Role of Somatic Change in Evolution. GREGORY BATESON 529
The Sound-Conducting Systems of Lizards without Tympanic Membranes. M. J. TOERIEN 540
Back Issues Reprinted 547
Cold Resistance of Karyotypes in Drosophila persimilis from Timberline of California. NANCY MOHN AND ELIOT B. SPIESS 548
Polymorphism and the Balanced Polygenic Combination. P. A. PARSONS 564
Chiasma Frequencies in Lolium Populations. H. REES AND K. AHMAD 575
Cranial Kinesis and the Morphology of the Middle Ear: Two Possibly Related Features. ALBERTO M. SIMONETTA 580
Notes and Comments
Natural Selection, Social Organization, Hairlessness, and the Australopithecine Canine. G. E. HUTCHINSON 588
Phylogeny and Cortical Evolution in Chiroptera. GUILLERMO MANN 589
Book Review
A Synthesis of Evolutionary Theory. CHARLES D. MICHENER 592
Ecological Rules, Body-Heat Regulation, and Human Evolution. EUGENE SCHREIDER 1
Speciation in Drosophila rubida. WHARTON B. MATHER 10
Chromosomal Repatterning in Clarkia rhomboidea as Evidence for Post-Pleistocene Changes in Distribution. THEODORE MOSQUIN 12
The Evolution of Clarkia unguiculata Derivatives Adapted to Relatively Xeric Environments. FRANK C. VASEK 26
Relationships Between Two Subspecies in a Population of Prunella vulgaris L. ANDREW P. NELSON. 43
Barriers to Gene Exchange Between Members of the Mimulus guttatus Complex (Scrophulariaceae). ROBERT K. VICKERY, JR 52
Population Studies on Lead-Tolerant Agrostis tenuis. D. JOWETT 70
Recombination in Six Homopterous Families. OLLI HALKKA 81
The Evolution of Territoriality in the Odonata. CLIFFORD JOHNSON 89
The Evolving Karyotype of Rumex hastatulus. BEN W. SMITH 93
The Evolution of Low Reproductive Rates in Birds. DEAN AMADON 105
Further Examples of Variation of Populations of Cepaea nemoralis with Habitat. J. D. CURREY, R. W. ARNOLD, AND M. A. CARTER 111
The Structure of Respiratory Organs in Relation to Body Size in Amphibia. HENRYK SZARSKI 118
Notes and Comments
Accumulation of Epistatic Gene Complexes. KEN-ICHI KOJIMA AND HENRY E. SCHAFFER 127
A Theory Which Predicts Stable Equilibrium for Inversion Polymorphisms in the Grasshopper Moraba scurra. R. W. ALLARD AND CONRAD WEHRHAHN 129
Relationships Between Habitat and Terrestrial Breeding in Amphibians. J. C. POYNTON 131
Book Reviews
Evolution of Neotropical Cricetine Rodents. ERNST MAYR 132
Feeding Adaptations in the Waterfowl. WALTER J. BOCK 133
The Evolution of Animal Species. G. LEDYARD STEBBINS 134
Evolution of the Human Brain. PAUL G. ROOFE 138
Evolutionary Processes. THEODOSIUS DOBZHANSKY 139
Books Received 140
Back Issues Reprinted 92
Annual Meeting of the Society for the Study of Evolution 141
The Geography of Flower Color in Butterflyweed. ROBERT E. WOODSON, JR. 143
Genetics of Natural Populations. XXXV. A Progress Report on Genetic Changes in Populations of Drosophila pseudoobscura in the American Southwest. TH. DOBZHANSKY, W. W. ANDERSON, 0. PAVLOVSKY, B. SPASSKY, AND C. J. WILLS 164
DNA Base Composition as an Index to Evolutionary Affinities in Marine Bacteria. WILLIAM L. BELSER 177
Hybridization and Introgression in Cowania and Purshia. HOWARD C. STUTZ AND L. KAY THOMAS 183
Mechanical Isolation of Salvia apiana and Salvia mellifera (Labiatae). KAREN A. GRANT AND VERNE GRANT 196
Outcrossing in Natural Populations. I. The Breckenridge Mountain Population of Clarkia exilis. FRANK C. VASEK 213
Blood Group Polymorphism and Inbreeding in Natural Populations of the Deer Mouse Peromyscus maniculatus. DAVID I. RASMUSSEN 219
Geographic Variation in Nest Size among Species of Peromyscus. JOHN A. KING., DIANNE MAAS, AND R. G. WEISMAN 230
Evolutionary Features of Athleta (Eocene, Gastropoda) from the Gulf Coast Plain. PETER U. RODDA AND W. L. FISHER 235
Reproductive Isolation between the Sibling Species Drosophila pavani and Drosophila gaucha. Susi KOREF-SANTIBANEZ 245
Evolution of Polygamy in the Long-billed Marsh Wren. JARED VERNER 252
Geographic Isolation and Mating Call Differentiation in Crinia signifera. M. J. LITTLEJOHN 262
Influence of the Weight of Worker Bees on Division of Labor. WARWICK E. KERR AND NILTON J. HEBLING 267
Insemination and Sperm Storage in Drosophila melanogaster. JOANNE K. DEVRIES 271
Multiple mating and Effective Population Size in Cepia nemoralis. JAMES MURRAY 283
The Control of Interspecific Hybridization in Darwinia. BARBARA G. BRIGGS 292
Utilization of Chemical Patterns in the Analysis of Hybridization between Baptisia leucantha and B. sphaerocarpa. JANIECE McHALE AND R. E. ALSTON 304
Competition among Genotypes in the Housefly at Varying Densities and Proportions (The Green Strain). SATISH C. BHALLA AND ROBERT R. SOKAL 312
Notes and Comments
Ethological Isolation in the Cenospecies Peromyscus lecopus. HOWARD MCCARLY 331
Fire Melanism in Some African Grasshoppers. BRIAN HOCKING 332
Population Biology of the Butterfly, Euphydryas editha. I. Barriers to Multiple Insemination. PATRICIA A. LABINE 335
Catastrophic Selection and Edaphic Endemism. PETER H. RAVEN 336
On Models Predicting Abundance of Species and Endemics for the Darwin Finches in the Galapagos Archipelago. T. H. HAMILTON AND I. RUBINOFF 339
Relation between Adaptive Values and Composition of the Population in Drosophila ananassae. YOSHIKO N. TOBARI 343
Evolutionary Pathways of the Senecio lautus Alliance in New Zealand and Australia. ROBERT ORNDUFF 349
Flower Dimorphism and Self-incompatibility in Narcissus tazetta L. RIVKA DULBERGER 361
Frequency-dependent Selection for the Dominance of Rare Polymorphic Genes. BRYAN CLARKE 364
Incompatibility Studies in Oenothera: The Distribution of S1 Alleles in biennis 1 Populations. ERICH STEINER 370
The Cost of Evolution vs. the Cost of Not Evolving. ALICE M. BRUES 379
Genetic Structure of Populations. III. Natural Selection and Concealed Genetic Variability in a Natural Population of Drosophila melanogaster. H. T. BAND 384
Interspecific Crossing and Development of Hybrids between the Japanese Species of Teleogryllus (Orthoptera: Gryllidae). FUMIYE OHMACHI AND SINZO MASAKI 405
Chromosomal Races in the Australian Grasshopper Moraba viatica in a Zone of Geographic Overlap. M. J. D. WHITE, H. L. CARSON, AND J. CHENEY 417
Mating Speed Control by Gene Arrangement Carriers in Drosophila persimilis. ELIOT B. SPIESS AND BOZENA LANGER 430
Neighborhood Size in the Rusty Lizard, Sceloporus olivaceus. HAROLD W. KERSTER 445
Adaptive Modifications in Frogs of an Isolated Highland Fauna in Central Africa. R. F. LAURENT 458
The Evolution of an Island Population of the House Mouse. R. J. BERRY 468
A Possible Origin for Rabbits. LEIGH VAN VALEN 484
Stabilizing Selection for Mating Fitness in Natural Populations of Tetraopes. L. G. MASON 492
Vocal Variation in Two Species of Chorus Frogs, Pseudacris nigrita and Pseudacris clarki, in Texas. TED C. MICHAUD 498
Notes and Comments
Variation in Style Length in Relation to Outbreeding in Mirabilis (Nyctaginaceae). H. G. BAKER 507
Incidence of Polyploidy Correlated with Ecological Gradients. C. RITCHIE BELL 510
Polymorphism and the Balanced Polygenic Complex-A Comment. P. A. PARSONS 512
Book Review
Numerical Taxonomy. MAURICE T. JAMES 513
Books Received 514
The Mating System and Genetic Variability in Natural Populations of Collinsia heterophylla. JON WEIL AND R. W. ALLARD 515
The Evolution of a Pattern of Sound Production Associated with Courtship in the Characid Fish, Glandulocauda inequalis. KEITH NELSON 526
The Genetics of Drosophila subobscura Populations. I. Inversion Polymorphism in Populations of Southern Greece. COSTAS B. KRIMBAS 541
Evolution in the Genus Cucurbita. THOMAS W. WHITAKER AND W. P. BEMIS 553
Studies on Natural Populations of Drosophila. III. Morphological and Genetic Differences of Wing Length in Drosophila melanogaster and D. simulans in Relation to Season. A. 0. TANTAWY 560
Origin and Evolution of the Biota of Southeastern North America: Evidence from the Fossil Plant Record. ALAN GRAHAM 571
Butterflies and Plants: A Study in Coevolution. PAUL R. EHRLICH AND PETER H. RAVEN 586
The Distribution of Self-incompatibility Alleles in Populations. SEWALL WRIGHT 609
Population Genetics of the Mating Type Locus in Tetrahymena pyriformis, Variety 8. EDUARDO ORIAS AND F. JAMES ROHLF 620
Competitive Exclusion between the Rodent Genera Microtus and Clethrionomys. AUSTIN W. CAMERON 630
The Theory of Fitness in a Heterogeneous Environment. IV. The Adaptive Significance of Gene Flow. RICHARD LEVINS 635
Adaptation and Differentiation of Temperate Phylogenetic Lines from Tropical Ancestors in Empoasca. HERBERT H. ROSS. GEORGE C. DECKER, AND HUGH B. CUNNINGHAM 639
Differential Evolutionary Activity in Bryophytes. KULDIP R. KHANNA 652
Polymorphism in the Isopod Sphaeroma rugucauda. D. A. WEST 671
The Distribution of the Abnormal Hemoglobin Genes and Their Significance for Human Evolution. FRANK B. LIVINGSTONE 6S5
Bridging Interspecific Incompatibility, in the Ascomycetous Genus Cochliobolus. R. R. NELSON 700
Notes and Comments
Empathic Learning and the Mimicry of African Snakes. CARL GANS 705
Evidence for Hybridization between the Blotched and Unblotched Subspecies of the Salamander Ensatina eschscholtzi. CHARLES W. BROWN AND ROBERT C. STEBBINS 706
Index 711
Serum Protein Variation in an Interspecies Hybrid Swarm of Turtles of the Genus Pseudemys. JOHN W. CRENSHAW 1
On Rates of Evolution of Unit Characters and Character Complexes. ABRAHAM LERMAN 16
The Independent Aneuploid Origin of Two Species of Chaenactis (Compositae) from a Common Ancestor. DONALD W. KYHOS 26
Fertility and Size Inheritance in a Peromyscus Species Cross. WALLACE D. DAWSON 44
Population Studies of Alpine and Subalpine Races of Conifers and Willows in the California High Sierra Nevada. JENS CLAUSEN 56
The Distribution of the Dominant Burnsi Gene in the Leopard Frog, Rana pipiens. DAVID J. MERRELL 69
Inheritance of Shell Size in the Snail Arianta arbustorum. L. M. COOK 86
A Study of Sexual Isolation Between Certain Strains of Drosophila paulistorum. CH. MALOGOLOWKIN-COHEN, A. SOLIMA SIMMONS, and H. LEVENE 95
The Evolution of Self-pollination in Clarkia xantiana. D. M. MOORE and HARLAN LEWIS 104
Grades and Clades Among Rodents. ALBERT E. WOOD 115
Book Reviews
Treatise on Invertebrate Paleontology. CURT TEICHERT 131
The Origin of Adaptations. ERNST MAYR 134
Announcements 136
Treeshrews, Primates, and Fossils. LEIGH VAN VALEN 137
Outcrossing in Natural Populations. II. Clarkia unguiculata. F. C. VASEK 152
A Quantitative Method for Comparing the Karyotypes of Related Species. PETER G. MARTIN AND DAVID L. HAYMAN 157
Further Evidence for Natural Hybridization between Tetraploid Species of Aegilops Section Pleionathera. MOSHE FELDMAN 162
Fertility among Races of the Field Mouse (Apodemus sylvaticus) and Their Failure to Form Hybrids with the Yellow-necked Mouse (Apodemus flavicollis). P. A. JEWELL AND P. J. FULLAGAR 175
The Genomic Allocation of the Principal Foliar-gland Loci in Gossypium hirsutum and Gossypium barbadense. JOSHUA A. LEE 182
The Evolution of Bill Size Differences among Sympatric Congeneric
Species of Birds. THOMAS W. SCHOENER 189
Variability in Characters Undergoing Rapid Evolution, an Analysis of Microtus Molars. R. D. GUTHRIE 214
Premating Isolation in the Hyla ewingi Complex (Anura: Hylidae). M. J. LITTLEJOHN 234
New Evidence Concerning the Original Basic Chromosome Number of Angiosperms. PETER H. RAVEN AND DONALD W. KYHOS 244
A Review of Masterometry. GEORGE GAYLORD SIMPSON 249
Variation and Covariation of Gene Frequencies in Subdivided Populations. MASATOSHI NEI 256
Notes and Comments
Prey Selection by a Non-specific Predator. LARRY G. MASON 259
An Unusual Case of Mimicry. HERBERT W. LEVI 261
Book Reviews
Phenetic and Phylogenetic Classification. PAUL R. EHRLICH 263
Zoogeography of Oceania and Its Present Problems. MIKLOS D. F. UDVARDY 264
This View of Life, The World of an Evolutionist. PAUL G. ROOFE 266
Evolution of Nestbuilding in Weaverbirds. RICHARD F. JOHNSTON 267
Announcement 268
Hybrid Zones and Reproductive Isolation. R. S. BIGELOW 449
Direct Observation of Sexual Isolation Between Allopatric and Between Sympatric Strains of the Different Drosophila paulistorum Races. LEE EHRMAN 459
Studies on Hybridization in Scolopostethus Fieber (Heteroptera : Lygaeidae). A. C. EYLES AND R. E. BLACKITH 465
Island Populations and Gene Flow in the Deer Mouse, Peromyscus leucopus. WALTER SHEPPE 480
On the Real Nature of Transantarctic Relationships. LARS BRUNDIN 496
Population Genetics in the American Tropics. I. Concealed Recessives in Different Bioclimatic Regions. H. F. HOENIGSBERG AND Y. G. DE NAVAS 506
Selection in Natural Populations. III. Measurement and Estimation. LEIGH VAN VALEN 514
Behavior and Form in the Evolution of Cave Collembola. KENNETH CHRISTIANSEN 529
Sibling Species of the Drosophila serrata Group. FRANCISCO JOSE AYALA 538
The Estimation of Fitness from Genotypic Frequencies. TIMOTHY PROUT 546
Mating Interference: A New Test of Sexual Isolation. BRUCE WALLACE AND NANCY FELTHOUSEN 552
Fertility of Interspecific F1 Hybrids and Hybrid Derivatives Involving Tetraploid Species of Aegilops Section Pleionathera. MOSHE FELDMAN 556
Chromosome Pairing Between Differential Genomes in Hybrids of Tetraploid Aegilops Species. MOSHE FELDMAN 563
Population Structure and Effective Size of a Lizard Population. DONALD W. TINKLE 569
Book Reviews
Ecological Genetics. ROBERT R. SOKAL 574
The Historico-Philosophical Background of Evolutionary Thought. ELWOOD B. EHRLE 575
Minutes of the Twentieth Annual Business Meeting 578
Index 580
Adaptation and the Form-Function Complex. WALTER J. ]Boc K AND GERD VON WAHLERT -- - - - - -- ---- ------------- -- -- -- ------------------ 269
Geographic Variation of Quantitative Characters in Populations of Drosophila pseudoobscure. ALEXANDER SOKOLOFF --------- -------------- 300
A Method for Deducing Branching Sequences in Phylogeny. josEPH H. CAmiN AND ROBERT R. SOKAL ----------- -- ------------------- ----------------- --------- 31.1
The Population Biology of the Butterfly, Eupkydryas editka. 11. The Structure of the jasper Ridge Colony. PAUL R. EHRLICH - ---------- 327
Sexual Selection, Geotaxis, and Chromosomal Polymorphism in Experimental Populations of Drosophila pseudoobscure. LEF EHRMAN, B. SPASSKY, 0. PAVLOVSKY, AND TH. DOBZHANSKY --------- - --- --- - ---- 337
The Study of Morphological Integration. LEIGH VAN VALEN -- -- ------- - 347
The Eff@ct of Relative Frequency of Species in Competition. TAKAsHiNAmsE - -------------- --- -- --------------------- ----------- - - --------- ----------------------- 350
The Adaptive Significance of Some Size Trends in Island Birds. P. R. GRANT -- -- ------------------------------------- ---- ------------------------------- - --------- ----- 355
Evolution and Symbiosis in the Genus CkloreUa and Relat@d Algae. STEPHEN J. KARARASHIAN AND MmmENE W. @KAsHiAN -------- 368
Heritability of Dental Characters in the House Mouse. ROB@T S. BADER 378
The Process of Introgression Between Aegilops Polyploids: Natural Hybridization Between A. variabilis, A. ovata, and A.biuncialis. BATIAPAZY AND DANIEL ZOI-IARY -------------------------- - --------------------------------- ----- 385
The Interpretation of Population Structure by F-Statistics with Special Regard to Systems of Mating. SEWALL WRIGHT ------------------------------- t 395
Chromosomal Aberrations in a Natural Population of Ckiron&mus tentans Exposed to Chronic Low-Level RadiatiOn. B. G. BLAYLOCK ------------ 421
Behavioral Discrimination Shown by Allopatric and Sympatric Males of Pero,myscus eremicus and Peromyscus californicus Between Females of the Same Two Species. MICHAFL H. SMITH -------------------------------- 430
The Hydrocoel and the Ancestry of the Chordates. LAWRENCE S. DILLON 436 Announcements ---------- - - - ----------- - - - ------- ----------- -------------------------------- 447
Books Received - -- ----------- -- ------ ------- -- 448
Origin of Deciduous and Evergreen Habits in Temperate Forests. DANIEL I. AXELROD 1
Ecological and Cytogenetic Studies of Drosophila flavopilosa, a Neotropical Species Living in Cestrum Flowers. DANKO BRNCIC 16
The Biota of Long-distance Dispersal. II. Loss of Dispersibility in Pacific Compositae. SHERWIN CARLQUIST 30
Morphological Variation in Natural and Experimental Populations of Drosophila pseudoobscura and Drosophila persimilis. ALEXANDER SOKOLOFF 49
Selection for Increased Fertility of Female Quail When Mated to Male Chickens. LESLIE E. HALEY, HANS ABPLANALP, AND KURIO ENYA 72
Chromosomal Fitness Changes in Experimental Populations of Drosophila persimilis from Timberline. II. Re-extracted Chromosomes. ELIOT B. SPIESS 82
On the Origin of the Jumping Mechanism in Frogs. CARL GANS AND THOMAS S. PARSONS 92
Experiments on Random Genetic Drift and Natural Selection in Drosophila pseudoobscura. A. SOLIMA SIMMONS 100
Developmental Rate and Competitive Ability in Tribolium. PETER S. DAWSON 104
Intraspecies Competition, Viability, and Longevity in Experimental Populations. GRACE B. CANNON 117
Announcement 132
The Periodical Cicada Problem. I. Population Ecology. MONTE LLOYD AND HENRY S. DYBAS 133
Studies on the Genome Constitution of Triticum timopheevi Zhuk. II. The T. timopheevi Complex and Its Origin. E. B. WAGENAAR 150
The Population Biology of the Butterfly Euphydryas editha. III. Selection and the Phenetics of the Jasper Ridge Colony. PAUL R. EHRLICH AND LARRY G. MASON 165
A General Theory of Clutch Size. MARTIN L. CODY 174
The Evolution of the Genus Monarda (Labiatae). RAINER W. SCORA 185
Correlation and the Structure of Introgressive Populations. MAJOR M. GOODMAN 191
Masterometry and Evolution, Again. M. CRUSAFONT-PAIRO AND J. TRUYOLS SANTONJA 204
Distribution, Coexistence, and Competition of Whirligig Beetles. CONRAD A. ISTOCK 211
The Temporal Component of Diversity among Species of Birds. ROBERT E. RICKLEFS 235
Notes and Comments
A Case of Gene Homology in Clarkia. FRANK C. VASEK 243
Book Reviews
Patterns of Evolution on Islands. VERNE GRANT 245
Insects of Campbell Island. R. L. USINGER 246
Notice of Resignation of the Editor 247
Announcement 248
Coevolution of Mutualism between Ants and Acacias in Central America. DANIEL H. JANZEN 249
The Relationships of the Tree Shrews: The Evidence of the Nervous System. C. B. G. CAMPBELL 276
Zoogeography and Evolution. JOHN C. BRIGGS 282
Functional Morphology and Evolution of the Ceratopsian Dinosaurs. JOHN H. OSTROM 290
The Origin of Dioecism from Heterostyly in Nymphoides (Menyanthaceae). ROBERT ORNDUFF 309
Hybridization as a Source of Variation for Adaptation to New Environments. R. C. LEWONTIN AND L. C. BIRCH 315
The Adaptive Significance of Gastropod Torsion. MICHAEL T. GHISELIN 337
The Evolution, Functioning and Breakdown of Heteromorphic Incompatibility Systems. I. The Plumbaginaceae. H. G. BAKER 349
Variation in Blood Group Frequencies in Populations of Song Sparrows of the San Francisco Bay Region. GEORGE T. FERRELL 369
Population Variability of Cercocarpus in the White Mountains of California as Related to Habitat. ROBERT BRAYTON AND H. A. MOONEY 383
Feeding Specializations and the Classification of Terrestrial Salamanders. PHILIP J. REGAL 392
The Adaptive Radiation of the Phenacodontid Condylarths and the Origin of the Perissodactyla. LEONARD B. RADINSKY 408
Genetics of Natural Populations. XXXVIII. Continuity and Change in Populations of Drosophila pseudoobscura in Westem United States. TH. DOBZHANSKY, W. W. ANDERSON, AND 0. PAVLOVSKY 418
Notes and Comments
Nearly Rooted Incisors in an Abnormal Rat, and Control of Tooth Growth. LEIGH VAN VALEN 428
Book Review
Evolution and Comparative Chorology. ASKELL LOVE AND DORIS LOVE 431
The Biota of Long-distance Dispersal. IV. Genetic Systems in the Floras of Oceanic Islands. SHERWIN CARLQUIST 433
Body Sizes of Poikilotherm Vertebrates at Different Latitudes. C. C. LINDSEY 456
The Periodical Cicada Problem. II. Evolution. MONTE LLOYD AND HENRY S. DYBAS 466
Hybridization and Its Taxonomic Implications in the Scaevola gaudichaudiana Complex of the Hawaiian Islands. GEORGE W. GILLETT 506
Birds as Agents of Long-distance Dispersal for Disjunct Plant Groups of the Temperate Western Hemisphere. ROBERT WILLIAM CRUDEN 517
Premating Isolating Mechanisms in Sympatric and Allopatric Hyla regilla and Hyla californiae. R. W. BALL AND D. L. JAMESON 533
The Origin and Significance of Intraspecific Polyploidy: Experimental Evidence from Solanum chacoense. G. E. MARKS 552
The Evolutionary Significance of Mountain Sheep Horns. VALERIUS GEIST 558
Self-incompatibility Alleles in the Population of Oenothera organensis. JACK L. CROSBY 567
The Population Biology of the Butterfly, Euphydryas editha. IV. Sperm Precedence-a Preliminary Report. PATRICIA A. LABINE 580
Estimation of Conservatism of Characters by Constancy within Biological Populations. JAMES S. FARRIS 587
Monthly Frequency Changes of Drosophila pseudoobscura Third Chromosome Gene Arrangements in a California Locality. M. W. STRICKBERGER AND C. J. WILLS 592
Immunology and Rates of Enzyme Evolution in the Amphibia in Relation to the Origins of Certain Taxa. STANLEY N. SALTHE AND NATHAN 0. KAPLAN 603
Cytogenetics of Rubus. V. Natural Hybridization between R. procerus P. J. Muell. and R. laciniatus Willd. R. K. BAMMI AND H. P. OLMO 617
Selection for and against Ethological Isolation between Drosophila pseudoobscura and Drosophila persimilis. SEYMOUR KESSLER 634
Comparative Studies of Arrangements within and between Populations of Drosophila pseudoobscura. STEPHEN H. MAYHEW, STEPHEN K. KATO, FRANCIS M. BALL, AND CARL EPLING 646
Notes and Comments
The Mimetic Significance of Erythrolamprus aesculapii ocellatus Peters from Tobago. M. G. EMSLEY 663
Climatological Distribution of a Grasshopper Supernumerary Chromosome. JOHN F. BARKER 665
Errata 667
lndex 668
An Estimate of the Potential Evolutionary Increase in Species Density in the Polynesian Ant Fauna. EDWARD 0. WILSON AND ROBERT W. TAYLOR 1
Predator Responses to Artificial Batesian Mimics Released in a Neotropical Environment. LINCOLN PIERSON BROWER, LAURENCE M. COOK, AND HARVEY J. CROZE 11
The Homologies of the Labyrinthodont Centrum. A. L. PANCHEN 24
Studies on Natural Populations of Drosophila. VI. Competition between Drosophila melanogaster and Drosophila simulans. A. 0. TANTAWY AND M. H. SOLIMAN 34
Barriers to Hybridization between Aedes aegypti and Aedes albopictus (Diptera:Culicidae). SR. M. GERALD LEAHY, C.S.J., AND GEORGE B. CRAIG, JR 41
Host Exploitation of Two Closely Related Water Mites. RODGER MITCHELL 59
A Study of the Genus Chrotogonus (Orthoptera). VIII. Patterns of Variation in External Morphology. ROBERT E. BLACKITH AND D. KEITH McE. KEVAN 76
The Population Biology of the Butterfly, Euphydryas editha. V. Character Clusters and Asymmetry. LARRY G. MASON, PAUL R. EHRLICH, AND THOMAS C. EMMEL 85
Variation in Phlox divaricata. DONALD A. LEVIN 92
Drosophila imaii, a New Sibling Species Related to Drosophila bifasciata. DAIGORO MORIWAKI, OSAMU KITAGAWA, AND TOYOHI OKADA 109
The Effect of Temperature on Reproduction in Some Morphs of the Landsnail Cepaea nemoralis (L.). H. WOLDA 117
A Comparative Study of the Serum Proteins of the Species of Taricha and their Hybrids. MICHAEL COATES 130
The Formation of Subgroups by the Development of Inbreeding Systems in a Trillium Population. ICHIRO FUKUDA 141
Two Parapatric Species of Pocket Gophers. TERRY A. VAUGHAN 148
Evolutionary Morphogenesis. K. C. SONDHI 159
Matroclinous Inheritance and Clonal Structure of a Mexican Population of the Gynogenetic Fish, Poecilia formosa. REZNEAT M. DARNELL, ELIZABETH LAMB, AND PETER ABRAMOFF 168
Certainty and Circularity in Evolutionary Taxonomy. DAVID L. HULL 174
Notes and Comments
A Proposition on the Population Dynamics of the Sterile t Alleles in the House Mouse. S. S. Y. YOUNG 190
Herbivory in Lizards. OTTO M. SOKOL 192
Survival and Gestation in Pigs. D. F. Cox 195
Evolutionary and Ecological Relationships between Three Species of Blackbirds (Icteridae) in Central Mexico. JOHN WILLIAM HARDY 196
Increase in the Variance of Fitness Due to Selection. FREDERICK E. WARBURTON 197
Minutes of the Twenty-first Annual Business Meeting. H. G. BAKER 199
Announcement 200
Drought, Diastrophism, and Quantum Evolution. DANIEL I. AXELROD 201
The Origin and Evolutionary Development of Heterostyly in the Angiosperms. BERYL S. VUILLEUMIER 210
Population Studies in Predominantly Self-pollinated Species. VIII. Genetic Variability in the Festzica microstachys Complex. L. W. KANNENBERG AND R. W. ALLARD 227
Outcrossing in Natural Populations. IlI. The Deer Creek Population of Clarkia exilis. F. C. VASEK 241
Variations in the Breeding Systems of a Wild Rice, Oryza perennis. HIKO-ICHI OKA AND HIROKO MORISHIMA 249
Studies of Natural Populations of Mas. 1. Biochemical Polymorphisms and Their Bearing on Breeding Structure. MICHAEL L. PETRAS 259
Mating Behavior and Fitness as a Function of Single Allele Differences in Ephestia
kuhniella Z. W. B. COTTER, JR. 275
The Adaptive Value of Sexual Dimorphism: I, Anisogamy. FRANCESCO M. SCUDO 285
Developmental Rate and Competitive Ability in Tribolium. II. Changes in Competitive Ability Following Further Selection for Developmental Rate. PETER S. DAWSON 292
The Estimation of Relative Fitness of Drosophila Populations. V. Generation Interval and Heterogeneity in Competition. J. S. F. BARKER 299
Independent Evolution of a Polygenic System in Isolated Populations of the Fungus Schizophyllum commune. G. SIMCHEN 310
Genetic Differentiation and Stability of Some Characters that Distinguish Lycopersicon esculentum Mill. from Solanum pennellii Cor. MOSHE TAL 316
The Identification of Hybrid Plants in Segregating Populations. MAJOR M. GOODMAN 334
Further Evidence Bearing upon the Origin of Extra Diminutive Chromosomes in Oenothera hookeri. RALPH E. CLELAND 341
Serum Proteins of Salamanders of the Ambystoma jeffersonianum Complex, and the Origin of the Triploid Species of This Group. THOMAS M. UZZELL, JR. AND SARAH M. GOLDBLATT 345
Evolutionary Relationships in the Avian Genus Columba as Indicated by Ovalbumin Tryptic Peptides. KENDALL W. CORBIN 355
The Development of a Phylogeny of Frogs. ROBERT F. INGER 369
Evolutionary Patterns in Pelycosaurian Reptiles: A Factor-Analytic Study. STEPHEN JAY GOULD 385
Notes and Comments
Selection in Natural Populations. 6. Variation Genetics. and More Graphs for Estimation. LEIGH VAN VALEN 402
Comments on "The Adaptive Significance of Gastropod Torsion." ROGER L. BATTEN, HAROLD B. ROLLINS. AND STEPHEN JAY GOULD 405
Book Review
Evolution, Ecology and Behavior of Sand Wasps. CARL W. RETTENMEYER 407
Cytogenetic Evidence for Long Continued Stability in the Genus Plantago. G. LEDYARD STEBBINS AND ALVA DAY 409
Herpetogeography of Puerto Rico. IV. Paleogeography, Faunal Similarity and Endemism. HAROLD HEATWOLE AND FAUSTINO MACKENZIE 429
Comparative Evolution in Mimulus guttatus of the Bonneville Basin. DELBERT W. LINDSAY AND ROBERT K. VICKERY, JR 439
Effects of Hummingbird Migration on Plant Speciation in the California Flora. KAREN A. GRANT AND VERNE GRANT 457
Studies of Natural Populations of Mus. II. Polymorphism at the T Locus. MICHAEL L. PETRAS 466
Further Evidence on Sexual Isolation within Drosophila athabasca. DWIGHT D. MILLER AND NEAL J. WESTPHAL 479
Distyly, Self-incompatibility, and Evolution in Melochia. FRANKLIN W. MARTIN 493
Comparative Reproductive Biology of Montane and Piedmont Chorus Frogs. DAVID PETTUS AND GEORGE M. ANGLETON 500
Systematic Significance of Lupine Alkaloids with Particular Reference to Baptisia (Leguminosae). M. F. CRANMER AND B. L. TURNER 508
Survival Process of Linked Mutant Genes. KEN-ICHI KOJIMA AND HENRY E. SCHAEFER 518
The Probability of Fixation of a Mutant: The Two-Locus Case. W. J. EWENS 532
The Selective Value of Eye and Pigment Loss in Mexican Cave Fish. PERIHAN SADOGLU 541
Phylogenetic Analysis: Models and Estimation Procedures. L. L. CAVALLI-SFORZA AND A. W. F. EDWARDS 550
Adaptations of Respiratory Systems of Spiders. HERBERT W. LEVI 571
Phenetics of Natural Populations I. Phenetic Relationships of Insular Populations of the Side-Blotched Lizard. MICHAEL SOULE 584
The Evolution of Complex Life Cycle Phenomena: an Ecological Perspective. CONRAD A. ISTOCK 592
The Fitness of Single-Species Populations of Drosophila. J. S. F. BARKER 606
Synchronization of Sexual Reproduction of Trees within the Dry Season in Central America. DANIEL H. JANZEN 620
Notes and Comments
The Effect of Relative Frequency of Species in Competition: A Reappraisal. P. D. PUTWAIN, J. ANTONOVICS, AND D. MACHIN 638
The Loss of the Ophidian Middle Ear. D. S. BERMAN AND P. J. REGAL 641
Book Reviews
Pollination in the Phlox Family. PETER H. RAVEN 643
Light as an Ecological Factor. JOEL W. HEDGPETH 644
Why Does the Genotype not Congeal? JOHN R. TURNER 645
Randon Sampling and the Rate of Gene Replacement. W. J. EWENS 657
Selection and Inversion Polymorphism in Experimental Populations of Drosophila pseudoobscura Initiated with the Chromosomal Constitutions of Natural Populations. WYATT W. ANDERSON, TH. DOBZHANSKY, AND COSTAS D. KASTRITSIS 664
Mating Propensity, Chromosomal Polymorphism, and Dependent Conditions in Drosophila persimilis. ELIOT B. SPIESS AND LURETTA D. SPIESS 672
Natural Selection for Reproductive Isolation in Phlox. DONALD A. LEVIN AND HAROLD W. KERSTER 679
Behavior of Male Sunfishes (Genus Lepomis) Toward Females of Three Species. MILES H. A. KEENLEYSIDE 688
Morphological Variation in Solanum X Edinense, a Hybrid of the Common Potato. DONALD UGENT 696
Evidence for Autopolyploidy in Epilobium angustifolium (Onagraceae). THEODORE MOSQUIN 713
Intraspecific Variation in Nuclear Volume in Four Conifers. FRANCOIS MERGEN AND BART A. THIELGES 720
Geographic Variation and Climatic Adaptation in a Field Cricket (Orthoptera: Gryllidae). SINZO MASAKI 725
Embryonic Temperature Adaptations and Genetic Compatibility in Two Allopatric Populations of the Spadefoot Toad, Scaphiopus hammondi. HERBERT A. BROWN 742
The Effect of Reproductive Performance on the Domestication of the Prairie Deermouse, Peromyscus maniculatus bairdii. EDWARD PRICE 762
Comparisons of Primate Catalase Tryptic Peptides and Implications for the Study of Molecular Evolution. SANDRA L. HORNE 771
The Origin of Sorghum bicolor. II. Distribution and Domestication. J. M. J. DE WET AND J. P. HUCKABAY 787
The Evolution of Spiny Lobsters (Palinuridae): A Study of Evolution in the Marine Environment. R. W. GEORGE AND A. R. MAIN 803
Early Reptilian Evolution Re-Viewed. ALFRED SHERWOOD ROMER 821
Foramen Pseudovale and Quasi-Mammals. GILES T. MACINTYRE 834
The Measurement of Isolation on Archipelagos, and its Relation to Insular Faunal Size and Endemism. IAN W. B. THORNTON 842
Notes and Comments
Latent Neomorphs and the Evolution of Dominance. THOMAS G. GREGG 850
Support For Baker's Law-As A Rule. HERBERT G. BAKER 853
Interspecific Competition, Egg Cannibalism and the Length of Larval Instars in Tribolium. PETER S. DAWSON 857
Correction 858
Index 859
Origin and Early Evolution of Marsupials. WILLIAM A. CLEMENS 1
The Beginnings of Primates. FREDERICK S. SZALAY 19
Monophyly or Diphyly in the Origin of Whales. LEIGH VAN VALEN 37
Chromosome Number Difference in the Amphibian Genus Bufo: The Bufo regularis Species Group. JAMES P. BOGART 42
The Population Biology of the Butterfly Euphydryas editha VI. Phenetics of the Jasper Ridge Colony, 1965-1966. LARRY G.MASON, PAUL R. EHRLICH, AND THOMAS C. EMMEL 46
Evolution of Fitness II. Correlated Effects of Natural Selection on the Productivity and Size of Experimental Populations of Drosophila serrata. FRANCISCO JOSE AYALA 55
Population Genetics in the American Tropics III. The Genetic Role of Heterozygous Individuals in Various Colombian Populations of D. melanogaster. H. F. HOENIGSBERG, L. E. CASTRO, AND L. A. GRANOBLES 66
Breakdown of Polymorphism of the Red-Backed Salamander on Long Island. ERNEST E. WILLIAMS, RICHARD HIGHTON, AND DONALD M. COOPER 76
The Selective Advantage of Temperature Tolerance Among the Progeny of Frogs with Vertebral Fusions. SANJOY DASGUPTA AND MANJIT SINGH GREWAL 87
Translocation Heterozygotes and Supernumerary Chromosomes in Wild Populations of Clarkia williamsonii. H. L. WEDBERG, HARLAN LEWIS, AND C. S. VENKATESH 93
Evolutionary Processes in Populations of Copper Tolerant Agrostis tenuis Sibth. T. McNEILLY AND A. D. BRADSHAW 108
Studies on Competition in Rice I. Competition in Mixtures of Varieties. PETER R. JENNINGS AND JOSE DE JESUS, JR 119
A Measure of Discrimination in Mating. HENRY E. SCHAFFER 125
Local Gene Dispersal in Phlox. DONALD A. LEVIN AND HAROLD W. KERSTER 130
Introgression Between Closely Related Species of Drosophila in Panama. SARAH BEDICHEK PIPKIN 140
The Composition of a Hybridizing Population of Baptisia sphaerocarpa and Baptisia leucophaea. KARL P. BAETCKE AND RALPH E. ALSTON 157
Reproductive Isolating Mechanisms in the Blue-winged Warbler-Golden-Winged Warbler Complex. MILLICENT S. FICKEN AND ROBERT W. FICKEN 166
The Role of Competition in the Evolution of Migration. GEORGE W. COX 180
Defense of Feeding Areas by Adult Herring Gulls and Intrusion by Young. WILLIAM H. DRURY, JR., AND W. JOHN SMITH 193
Pollination by Euglossine Bees. ROBERT L. DRESSLER 202
Notes and Comments
The Origin of Vertebrate Foetal Membranes. HENRYK SZARSKI 211
Book Review
Geographical Anthropology. ASKELL LOVE 215
Developmental and Genetic Homeostasis in Two Species of Flour Beetles. PETER S. DAWSON 217
Variation and Selection in an Isolated Series of Populations of Lysimachia volkensii Engl. A. D. Q. AGNEW 228
Geographical Variation and Evolution in Pseudosinella hirsuta. KENNETH CHRISTIANSEN AND DAVID CULVER 237
Uniform Heterokaryotypic Superiority for Viability in a Colorado Population of Drosophila pseudoobscura. DAVID W. CRUMPACKER AND VICTOR M. SALCEDA 256
The Effect of Differential Viability on the Population Dynamics of t Alleles in the House Mouse. R. C. LEWONTIN 262
A Comparison of the Estimated Size and the "Effective Size" of Breeding Populations of the Leopard Frog, Rana pipiens. DAVID J. MERRELL 274
Seasonal Selection in the Leopard Frog, Rana pipiens. DAVID J. MERRELL AND CHARLES F. RODELL 284
The Genetics of Polymorphism in the Goose Anser caerulescens. F. COOKE AND F. G. COOCH 289
Migration and Competition in Drosophila I. Competition Between Wild and Vestigial Strains of Drosophila melanogaster in a Cage and Migration-tube Population. TAKASHI NARISE 301
Competition and Character Displacement in Two Sympatric Pine-dwelling Warblers (Dendroica, Parulidae). ROBERT W. FICKEN, MILLICENT S. FICKEN, AND DOUGLASS H. MORSE 307
Social Mimicry; Character Convergence Versus Character Displacement. M. MOYNIHAN 315
Studies on Competition in Rice II. Competition in Segregation Populations. PETER R. JENNINGS AND R. M. HERRERA 332
Relation of Infection to Population Structure in Drosophila melanogaster. SUMIO MINAMORI AND KENICHI TATSUKAWA 337
The Structure of a Polyspecies Hybrid Swarm in Liatris. DONALD A. LEVIN 352
Sibling Species in Artemis (Crustacea:Branchiopoda). A. M. HALFER-CERVINI, M. PICCINELLI, T. PROSDOCIMI, AND L. BARATELLI-ZAMBRUNI 373
Incipient Unilateral Incompatibility in Leavenworthia (Cruciferae). D. G. LLOYD 382
Diploid-Tetraploid-Haploid C@,cles and the Origin of Variability in Dichanthium Agamospecies. J. M. J. DE WET 394
Evolutionary Relationships Through Nucleic Acid Similarities. IAN GIBSON 398
Cumulative Parental Age Effects in Drosophila subobscura. J. M. WATTIAUX 406
Notes and Comments
The Population Biology of the Butterfly, Eiiphydryas editha VII. Has E. editha Evolved a Serpentine Race? M. P. JOHNSON, A. D. KEITH, AND P. R. EHRLICH 422
"Gryphaea." Evolution, and Natural Selection. LEIGH VAN VALEN 424
Book Review
Dialectics in Evolutionary Studies. EVERETT C. OLSON 426
Adaptive Significance of Pigment Polymorphisms in Colias Butterflies. I. Variation of Melanin Pigment in Relation to Thermoregulation. WARD B. WATT 437
Selection Mechanisms Associated with Intraspecific Shell Variation in Littorina picta (Prosobranchia: Mesogastropoda). JEANNETTE WHIPPLE STRUHSAKER 459
Natural Selection For and Against a Polymorphism which Interacts with Sex. JOHN R. G. TURNER 481
Adaptation to Heterogeneous Environments. I. Variation in Heterophylly in Ranunculus flammula L. STANTON A. COOK AND MICHAEL P. JOHNSON 496
Population Studies in Predominantly Self-pollinated Species. XI. Genetic Divergence Among the Members of the Festuca microstachys Complex. R. W. ALLARD AND L. W. KANNENBERG 517
Studies on Competition in Rice. III. The Mechanism of Competition Among Phenotypes. PETER R. JENNINGS AND R. C. AQUINO 529
An Analysis of Three Hybrid Populations of Pocket Gophers (Genus Thomomys). CHARLES S. THAELER, JR 543
Metachromism or the Principle of Evolutionary Change in Mammalian Tegumentary Colors. PHILIP HERSHKOVITZ 556
Breakdown of Isolation Mechanisms in Two Species of Captive Junglefowl (Gallus gallus and Gallus sonneratii). G. VICTOR MOREJOHN 576
Evolutionary Status of a Relict Population of Bufo hemiophrys Cope. KENNETH R. PORTER 583
Cretaceous Dinosaur Extinction. DANIEL I. AXELROD AND HARRY P. BAILEY 595
The Genome Constitutions of Eastern North American Phlox Amphiploids. DONALD A. LEVIN 612
Genetic Structure of Populations. IV. Summer Environmental Variables and Lethal and Semilethal Frequencies in a Natural Population of Drosophila melanogaster. H. T. BAND AND P. T. IVES 633
Notes and Comments
Considerations on Speciation in Chalcidoidea (Hymenoptera). R. R. ASKEW 642
The Role of Heterostyly in Narcissus and Mirabilis. A. J. BATEMAN 645
Book Review
Phylogenetic Systematics, Cladistics and Evolution. WALTER J. BOCK 646
Genotype Frequency and Mating Success in the willistoni Species Group of Drosophila. LEE EHRMAN AND CLAUDINE PETIT 649
An Experimental Evaluation of Premating Isolation in the Hyla ewingi Complex (Anura : Hylidae). M. J. LITTLEJOHN AND J. J. LOFTUS-HILLS 659
Postmating Isolation in the Hyla ewingi Complex (Anura : Hylidae). G. F. WATSON AND A. A. MARTIN 664
The Frequency of Interbreeding between Two Sibling Species of Dacus (Diptera) in Wild Populations. G. W. GIBBS 667
Partial Reproductive Isolation in the Genus Partula (Gastropoda) on Moorea. JAMES MURRAY AND BRYAN CLARKE 684
Mimetic Versus Disruptive Coloration in Intergrading Populations of Limenitis arthemis and astyanax Butterflies. AUSTIN P. PLATT AND LINCOLN P. BROWER 699
Evolution and Hybridization in the Utetheisa ornatrix Complex (Lepidoptera : Arctiidae). I. Inter- and Intrapopulation Variation and its Relation to Hybridization. ROGER W. PEASE, JR 719
The Evolutionary Significance of the Speciation of Euphrasia in Europe. P. F. YEO 736
Supernumerary Chromosomes in Haplopappus validus (Rybd.) Cory. EDWIN B. SMITH 748
Island Patterns in the Solomon Islands Bird Fauna. P. J. M. GREENSLADE 751
Competitive Interactions and the Evolution of Ecological Niches as Illustrated by the Australian Honeyeater Genus Melithreptus (Meliphagidae). ALLEN KEAST 762
Adaptive Significance of Mycophagy in Stored-Product Arthropoda. R. N. SINHA 785
The Population Biology of the Butterfly, Euphydryas editha. VIII. Oviposition and its Relation to Patterns of Oviposition in Other Butterflies. PATRICIA A. LABINE 799
Size-Fecundity Relationships and their Evolutionary Implications in Five Desmognathine Salamanders. STEPHEN G. TILLEY 806
Intraspecific Combat and the Evolution of the Caprini. WILLIAM M. SCHAFFER 817
Components of Variance of Odontometric Traits in a Wild-Derived Population of Peromyscus leucopus. LARRY J. LEAMY AND ROBERT S. BADER 826
On the Evolutionary Significance of E. coli, Yeast, and Rabbit Liver sRNA Methylation. R. L. HANCOCK 835
Notes and Comments
Therian and Quasi-Mammals. RICHARD C. FOX 839
Book Reviews
Life History of a Lizard. FREDERICK B. TURNER 841
A New Odontology. ROBERT H. DENISON 842
Progress in Primatology. RUSSELL H. TUTTLE 843
Men and Dinosaurs: The Search in Field and Laboratory. THEODORE H. EATON 844
Index 845
Vol. 23 March 1969 No. 1
CONTENTS
Seed-Eaters Versus Seed Size, Number, Toxicity and Dispersal. DANIEL H. JANZEN 1
Wind Pollination in the Angiosperms: Evolutionary and Environmental Considerations. DONALD R. WHITEHEAD 28
On the Adaptive Value of Sexual Dimorphism: II. Unisexuality. FRANCESCO M. SCUDO 36
Fecundity in Primitive Plethodontid Salamanders. RICHARD C. BRUCE 50
Mating Selection in the California Oak Moth (Lepidoptera, Dioptidae). LARRY G. MASON 55
The Sensory Basis of Mate Selection in Drosophila. LEE EHRMAN 59
Mutant Genes and the Emigration Behavior of Phaenicia sericata (Diptera, Calliphoridae). P. C. CHABORA 65
Variance of Gene Frequencies. C. CLARK COCKERHAM 72
Quantitative Studies on Mating Systems. Ill. Methods for the Estimation of Male Gametophytic Selective Values and Differential Outcrossing Rates. JAMES HARDING AND C. L. TUCKER 85
Evolution of Dental Growth and Adaptation in Mammalian Carnivores. LEIGH VAN VALEN 96
The Multiple Origins of the Placental Carnivores. LEIGH VAN VALEN 118
The Vertebrate Nose, Remarks on its Structural and Functional Adaptation and Evolution. GUNNAR BERTMAR 131
Biochemical Systematics and Phylogenetic Interpretations in the Genus Aquilegia. RONALD J. TAYLOR AND DAVID CAMPBELL 153
Evolutionary Status of the Rocky Mountain Population of Wood Frogs. KENNETH R. PORTER 163
Small Islands and the Equilibrium Theory of Insular Biogeography. DONALD R. WHITEHEAD AND CLARIS E. JONES 171
Book Review
Polar Ecology. JOEL W. HEDGPETH 180
Microtus Population Biology. II. Genetic Changes at the Transferrin Locus in Fluctuating Populations of Two Vole Species. ROBERT H. TAMARIN AND CHARLES J. KREBS 183
An Analysis of Natural Selection in Laboratory Populations of Dacus (Tephritidae: Diptera). JOHN H. GEE 212
Mating Propensity, ChromosomaI Polymorphism, and Dependent Conditions in Drosophila persimilis. II. Factors Between Larvae and Between Adults. ELIOT B. SPIESS AND LURETTA D. SPIESS 225
Sympatric Host Race Formation and Speciation in Frugivorous Flies of the Genus Rhagoletis (Diptera, Tephritidae). GUY L. BUSH 237
Subspecies and Sympatry in Darwin's Finches. DAVID LACK 252
The Relation Between Mode of Reproduction and Extent of Speciation in Woody Genera of the California Chaparral. PHILIP V. WELLS 264
Heritability of some Linear Body Measurements and their ratios in the Leopard Frog Rana pipiens. DONALD K. UNDERHILL 268
LeveIs of Integration in Mammalian Dentitions: An Analysis of Correlations in Nesophontes micrus (Insectivora) and Oryzomys couesi (Rodentia). STFPHEN JAY GOULD AND ROBERT A. GARWOOD 276
Measurement of Selection using Distance Statistics in the Prehistoric Orang-utan Pongo pygmaeus palaeosumatrensis. LESLIE F. MARCUS 301
The Early Evolution of the Perissodactyla. LEONARD B. RADINSKY 308
Bergmann's Rule and Climatic Adaptation in Woodrats (Neotoma). JAMES H. BROWN AND ANTHONY K. LEE 329
An Attempt to Verify Mimetic Advantage in a Neotropical Environment. LAURENCE M. COOK, LINCOLN PIERSON BROWER, AND JOHN ALCOCK 339
Evolution of Wing Reduction in Crane Flies (Diptera: Tipulidae). GEORGE W. BYERS 346
Notes and Comments
"Isolating Mechanisms" in the Blue-Winged Warbler-GoIden-Winged Warbler Complex. LESTER L. SHORT, JR 355
Book Review
Evolutionary Trends in the Heteroptera. HEBERT H. ROSS 357
Vol. 23 September 1969 No. 3
CONTENTS
Alternative Routes to Evolutionary Success as Exhibited by African Cichlid Fishes of the Genus Tilapia and the Species Flocks of the Great Lakes. GEOFFREY FRYER and T. D. ILES 359
The Effects of Selection by Climate on the Land-snail Cepaea nemoralis (L.). RICHARD ARNOLD 370
Protein Polymorphism and Genic Heterozygosity in two European Subspecies of the House Mouse. ROBERT K. SELANDER,W. GRAINGER HUNT, and SUH Y. YANG 379
Differential Variation of Males and Females in Polistes exclamans. KATHLEEN R. EICKWORT 391
Ecotypic Variation in the Non-breeding Season in Migratory Populations: A Study of Tarsal Length in some Fringillidae. STEPHEN FRETWELL 406
The Adaptive Ecology of the Species Groups of the Genus Leptodactylus (Amphibia, Leptodactylidae). W. RONALD HEYER 421
Phenetic Similarity and Phylogenetic Relationships among Strains of Oryza perennis, Estimated by Methods of Numerical Taxonomy. HIROKO MORISHIMA 429
The Effect of Corolla Color and Outline on Interspecific Pollen Flow in Phlox. DONALD A. LEVIN 444
Chromosome Translocations in Gayophytum (Onagraceae). LEONARD B. THIEN 456
Chromosomal Evolution in Tropical Hardwoods. P. N. MEHRA and K. S. BAWA 466
Transitional Populations of Drosophila paulistorum. THEODOSIUS DOBZHANSKY, OLGA PAVLOVSKY, and LEE EHRMAN 482
Microevolution within Three Species of Hawaiian Drosophila. HAMPTON L. CARSON and JOYCE E. SATO 493
Long-term Changes in Chromosomally Polymorphic Laboratory Stocks of Drosophila pavani. DANKO BRNCIC 502
Notes and Comments
The Principle of Metachromism: A Critique. TIMOTHY E. LAWLOR 509
Deficiencies of the Synthetic Theory of Evolution. L. S. DAVITASHVILI 513
On the Use of Constancy in Estimating Conservation of Characters. CHARLES A. LONG 516
A Note on Stability and Convergence of Genetic Systems. C. CANNINGS 517
Vol. 23 December 1969 No. 4
CONTENTS
Relative Fitness of introgressed and Parental Populations of Drosophila mojavensis and D. arizonensis. J. J. NAGLE AND L. E. METTLER 519
Experimental Studies on Hybridization and Sexual Isolation between some Aphytis Species (Hymenoptera: Aphelinidae). III. The Significance of Reproductive Isolation between Interspecific Hybrids and Parental Species. SUDHA V. RAO AND PAUL DEBACH 525
Selection for Reproductive Isolation between Two Populations of Maize, Zea mays L. E. PATERNIANI 534
Selective Mating and Eye Pigmentation: An Analysis of the Visual Component in the Courtship Behavior of Drosophila melanogaster. KEVIN CONNOLLY, BARRIE BURNET, AND DAVID SEWELL 548
The Dependence of Bee-Mediated Pollen and Gene Dispersal upon Plant Density. DONALD A. LEVIN AND HAROLD W. KERSTER 560
Constancy of the Pentamerous Corolla Phenotype in Natural Populations of Linanthus. CARL A. HUETHER, JR 572
Changes in Genetic Constitution of a Population of Sphaeroma rugicauda (Crustacea:Isopoda). J. A. BISHOP 589
Geographical Variation and Evolution in Pseudosinella violenta (Folsom). KENNETH CHRISTIANSEN AND DAVID CULVER 602
Gloger's Rule and Pigmentation of Collembola. E. H. RAPOPORT 622
Color-Phase in Gibbons. JACK FOODEN 627
Chromosome Evolution in the Pocket Mouse, Perognathus goldmani Osgood. JAMES L. PATTON 645
A Cytological Study on some Recently Collected Strains of Drosophila paulistorum. COSTAS D. KASTRITSIS 663
New Evidence on the Origin of the Hexaploid Oats. GIDEON LADIZINSKY 676
Hypothetical Mechanism of Speciation. A. D. BAZYKIN 685
Extinction-Origination Equilibria in Late Cenozoic Land Mammals of North America. S. DAVID WEBB 688
Origin and Evolution of Function of the Mesonychid Condylarth Feeding Mechanism. FREDERICK S. SZALAY 703
Notes and Comments
The Relationship of Evolutionary Theory to Phenetic Taxonomy. DONALD H. COLLESS 721
Book Reviews
The Natural History of the Hymenoptera. CHARLES D. MICHENER 723
Population Genetics. LEIGH VAN VALEN 723
Biology of the California Islands. SHERWIN CARLQUIST 724
Morphologie Evolutive des Chordes. THEODORE H. EATON 725
The Structure of Competition. LEIGH VAN VALEN 735
Index 726
Vol. 24 March 1970 No. 1
CONTENTS
Plankton Evolution. JERE H. LIPPS 1
Taxonomic Diversity of IsIand Biotas. DANIEL S. SIMBERLOFF 22
Habitat Selection and Competition among Sibling Species of Satyrid Butterflies. ARTHUR M. SHAPIRO AND RING T. CARDE 48
Evolutionary Strategies in Lizard Reproduction. DONALD W. TINKLE, HENRY M. WILBUR, AND STEPHEN G. TILLEY 55
Metabolic and Morphological Adaptation to Heterogenous Environments by the Pacific Tree Toad, Hyla regilla. DAVID L. JAMESON, WILLIAM TAYLOR, AND JOHN MOUNTJOY 75
A Computor Simulation Study of the Effects of Two Behavioral Traits on the Genetic Structure of Semi-isolated Populations. MARVIN BARR SEIGER AND R. D. DIXON 90
On the Maintenance of a Shell Pattern and Behavior Polymorphism in Acmaea digitalis, a Limpet. JAMES T. GIESEL 98
Genetics of Lupinus. II. The Selective Disadvantage of the Pink Flower Color Mutant in Lupinus nanus. JAMES HARDING 120
Phenotypic Dimorphism and Populational Fitness in Phlox. DONALD A. LEVIN AND HAROLD W. KERSTER 128
The Genetic Basis of Crossing Barriers between Oryza perennis subsp. barthii and its Related Taxa. YAW-EN CHU AND HIKO-ICHI OKA 135
Natural Crossing between Apis mellifera adansonii and Apis mellifera ligustica. WARWICK ESTEVAM KERR AND DAVID BUENO 145
Additional Evidence on Sexual Isolation within Drosophila birchii. VISUT BAIMAI 149
A Biometrical Study on the Semispecies of the Drosophila paulistorum Complex. GEORGES PASTEUR 156
The B-Chromosome System of Myrmeleotettix maculatus (Thunb). IV. The Dynamics. G. M. HEWITT AND B. JOHN 168
The Interaction between the Payne Inversion and Genetic Background in the Tumorous-Head Strain of Drosophila melanogaster. DAVID T. KUHN 181
Changes of Cytoplasmic Factors During the Evolution of the Cultivated Potato. PAUL GRUN 188
Rodent DNA: Comparisons between Species. ANNE McLAREN AND P. M. B. WALKER 199
Measurements by DNA Hybridization in vitro of the Genetic Basis of Parasitic Reduction. DENNIS G. SEARCY 207
A Multivariate Morphometric Analysis of Divergence in Skull Morphology Among Geographically Contiguous and Isolated Groups of White-tailed Deer (Odocoileus virginianus) in Michigan. JOHN W. BEES 220
Cynodont Postcranial Anatomy and the "Prototherian" Level of Mammalian Organization. FARISH A. JENKINS, JR 230
Notes and Comments
Reproductive Strategies in Pithecellobium and Enterolobium- Further Information. WILLIAM H. HATHEWAY AND HERBERT G. BAKER 253
Comments on Introgression and Reproductive Isolating Mechanisms in the Blue-Winged Warbler-Golden-Winged Warbler Complex. MILLICENT S. FICKEN AND ROBERT W. FICKEN 254
Vol. 24 June 1970 No. 2
CONTENTS
Rapid Population Differentiation in a Mosaic Environment. I. The Response of Anthoxanthum odoratum Populations to Soils. R. W. SNAYDON 257
Apomixis, Polyploidy, and Speciation in Dichanthium. J. M. J. DE WET AND J. R. HARLAN 270
The Population Biology of AnnuaI Grassland Hemiparasites. I. The Host Environment. P. R. ATSATT AND DONALD R. STRONG 278
Convergent Evolution of Mediterranean-Climate Evergreen Sclerophyll Shrubs. HAROLD A. MOONEY AND E. LLOYD DUNN 292
Character Convergence in Mexican Finches. MARTIN L. CODY AND JAMES H. BROWN 304
Sexual Selection for Size Differences in Two Species of Sandpipers. JOSEPH R. JEHL, JR. 311
Plasticity of Taxonomic Characters of the Queensland Fruit Flies Dacus tryoni and Dacus neohumeralis (Tephritidae). L. C. BIRCH AND W. G. VOGT 320
Introgression Across Isolating Barriers in Wild and Cultivated Oryza Species. YAW-EN CHU AND HIKO-ICHI OKA 344
Experimental Introgression in the Genus Phaseolus. I. Effect of Mating Systems on Interspecific Gene Flow. J. R. WALL 356
The Exploitation of Pollinators by Species and Hybrids of Phlox. DONALD A. LEVIN 367
The Gonads and Reproduction of Three Intergeneric Sunfish (Family Centrarchidae) Hybrids. JERRY L. WEST 378
Polymorphic Mimicry and Natural Selection. PETER O'DONALD AND CHRISTINE PILECKI 395
Genetic Variation in the Horseshoe Crab (Limulus polyphemus), a Phylogenetic "Relic." ROBERT K. SELANDER, SUH Y. YANG, RICHARD C. LEWONTIN, AND WALTER E. JOHNSON 402
Population Consequences of Non-Mendelian Segregation among Multiple Alleles. DANIEL L. HARTL 415
Electrophoresis of Proteins in Natural Populations of Partula. GERDA SCHWABL AND JAMES MURRAY 424
Comparative Studies of Seed Proteins of Species of Gossypium by Gel Electrophoresis. J. P. CHERRY, F. R. H. KATTERMAN, AND J. E. ENDRIZZI 431
Ornithischian Dinosaurs and the Origin of Birds. PETER M. GALTON 448
Analysis of Simple Cave Communities. I. Caves as Islands. DAVID C. CULVER 463
Notes and Comments
Stage of Taxon Cycle and Distribution of Birds on Jamaica, Greater Antilles. ROBERT E. RICKLEFS 475
A Possible Evolutionary Basis for Aesthetic Appreciation in Men and Apes. J. SHERMAN BLEAKNEY 477
On the Evolutionary State of Some Reproductive Organs in the Mammalian Order Lagomorpha. CHARLES A. LONG 479
Book Reviews
Essais sur L'Evolution. ERNST MAYR 480
Morphology and Systematics of the Bryozoan Genus Metrarabdotos. THOMAS J. M. SCHOPF 481
An Introduction to Mathematical Ecology. R. LEVINS 482
Vol. 24 September 1970 No. 3
CONTENTS
Population Fitness of Geographic Strains of Drosophila serrata as Measured by Interspecific Competition. FRANCISCO J. AYALA 483
Quantitative Variation and Chromosomal Arrangements in a Population of Drosophila persimilis from the Redwoods. ELIOT B. SPIESS AND RICHARD N. SHERWIN 495
Further Genetic Studies of the South Amherst Population of Drosophila melanogaster. PHILIP T. IVES 507
The Interior Semispecies of Drosophila paulistorum. S. PEREZ-SALAS, R. C. RICHMOND, O. PAVLOVSKY, C. D. KASTRITSIS, L. EHRMAN, AND TH. DOBZHANSKY 519
Studies on Natural Populations of Drosophila XI. Fitness Components and Competition between Drosophila funebris and D. virilis. A. O. TANTAWY AND H. M. EL-WAKIL 528
Competition between Drosophila melanogaster and D. simulans on Media Supplemented with Saccharomyces and Schizosaccharomyces. M. R. EL-HELW AND A. M. M. ALI 531
Analysis of a General Population Genetic Model of Meiotic Drive. D. L. HARTL 538
A Model for the Evolution of Pinniped Polygyny.. GEORGE A. BARTHOLOMEW 546
The Evolutionary Dynamics of the Desert Woodrat, Neotoma lepida. MILTON LIEBERMAN AND DIANA LIEBERMAN 560
Self-fertility in Maritime and Zinc Mine Populations of Armeria maritima (Mill.) Willd. C. LEFEBVRE 571
The Evolution of Three Diploid Species of Oenothera Subgenus Anogra (Onagraceae). WILLIAM M. KLEIN 578
The Population Biology of Annual Grassland Hemiparasites. II. Reproductive Patterns in Orthocarpus. P. R. ATSATT 598
Developmental Instability in Species and Hybrids of Liatris. DONALD A. LEVIN 613
Polymorphism and Egg-size in the Sheep Nematode, Haemonchus contortus. LEO F. LEJAMBRE, I,. H. RACTLIFFE, J. H. WHITLOCK, AND H. D. CROFTON 625
Potential Extinction through Competition between Two Species of Terrestrial Salamanders. ROBERT G. JAEGER 632
Notes and Comments
Parallel Evolution in the Adaptive Ecology of Leptodactylid Frogs of South America and Australia. A. A. MARTIN 643
Metachromism Like It Is. PHILIP HERSHKOVITZ 644
Errata 648
Vol. 24 December 1970 No. 4
CONTENTS
Genetic Variability in Natural Populations of Softchess (Bromus mollis L.). S. K. JAIN, D. R. MARSHALL, AND K. WU 649
The Distribution of Gene Frequencies in Polymorphic Populations of Drosophila melanogaster. B. SHORROCKS 660
Cytogenetic Relationships of Key Diploid Members of the Mimulus glabratus Complex (Scrophulariaceae). WILLIAM TAI AND ROBERT K. VICKERY, JR 670
Host Specificity of Fig Wasps (Agaonidae). WILLIAM RAMIREZ B. 680
Reproductive Isolation in Stegomyia Mosquitoes. II. Hybrid Breakdown Between Aedes aegypti and A. mascarensis. W. K. HARTBERG AND G. B. CRAIG, JR 692
Microevolutionary Sequences as a Fundamental Concept in Macroevolutionary Models. WALTER J. BOCK 704
Respiration in Early Tetrapods-The Frog is a Red Herring. CARL GANS 723
Extrachromosomal Element Delta in Drosophila melanogaster. IV. Variation and Persistence of Delta-Associating Second Chromosomes in a Natural Population. Sumio MINAMORI, NOBUKO FUJIOKA, KAZUKO ITO, AND MAKOTO IKEBUCHI 735
A New Pentaploid Mexican Wild Potato and its Progeny. G. E. MARKS AND H. MONTELONGO-ESCOBEDO 745
Cytoplasmic Sterilities that Separate the Cultivated Potato from its Putative Diploid Ancestors. PAUL GRUN 750
Evolution of Pair Cooperation in a Tropical Hummingbird. LARRY L. WOLF AND F. GARY STILES 759
The Reproductive Behavior and the Nature of Sexual Selection in Scatophaga stercoraria L. (Diptera: Scatophagidae). VII. The Origin and Evolution of the Passive Phase. G. A. PARKER 774
Distribution, Adaptation, and Probable Origin of an All-Female Form of Poeciliopsis (Pisces: Poeciliidae) in Northwestern Mexico. WILLIAM S. MOORE, ROBERT RUSH MILLER, AND R. JACK SCHULTZ 789
Measurements by DNA Renaturation of the Genetic Basis of Parasitic Reduction. DENNIS G. SEARCY AND AUSTIN J. MACINNIS 796
The Genetics of Dacus oleae. IV. Relation Between Adult Esterase Genotypes and Survival to Organophosphate Insecticides. S. TSAKAS AND C. B. KRIMBAS 807
Ctyogenetics, Distribution, and Amphitropical Affinities of South American Camissonia (Onagraceae). D. M. MOORE AND P. H. RAVEN 816
Notes and Comments
Comment on: "A Possible Evolutionary Basis for Aesthetic Appreciation in Men and Apes." S. L. WASHBURN 824
On the Relationship Between Variation and Conservatism. JAMES S. FARRIS 825
Evolution of Dioecy from Gynodioecy. M. D. ROSS 827
On Ecotypic Variation in Birds. RICHARD C. BANKS 829
Index 832
Important Notice 815
Vol. 25 March 1971 No. 1
CONTENTS
Evolution in the House Sparrow. II. Adaptive Differentiation in North American Populations. RicHARD F. JOHNSTON AND ROBERT K. SELANDER 1
A Biometric Analysis of Populations of Poa annua L. W. M. ELLIS, B. T. 0. LEE, AND D. M. CALDER 29
Multiple Character Analysis and Chromosome Studies in the Tripsacum lanceolatum Complex. R. V. TANTRAVAHI 38
A Statistical Analysis of Geographic Variation in the Pupae of Three Species of Culicoides (Diptera: Ceratopogonidae). WILLIAM R. ATCHLEY 51
Sound Production During Courtship in Six Species of Sunfish (Centrarchidae). JERRY W. GERALD 75
Geographic and Reproductive Isolation in Atlantic and Pacific Populations of Panamanian Bathygobius, ROBERTA W. RUBINOFF AND IRA RUBINOFF 88
A Reappraisal of Mating Call Differentiation in Hyla cadaverina (= Hyla californiae) and Hyla regilla. M. J. LITTLEJOHN 98
Unorthodoxies in Reptilian Phylogeny. ALFRED SHERWOOD ROMER 103
Pollinator Flight Directionality and its Effect on Pollen Flow. DONALD A. LEVIN, HAROLD W. KERSTER, AND MARIANNE NIEDZLEK 113
Fertility and Fitness of XO Males in Drosophila I. Qualitative Study. ROBERT A. VOELKER AND KEN-ICHI KOJIMA 119
Geography of the Sibling Species Related to Drosophila willistoni, and of the Semispecies of the Drosophila paulistorum Complex. B. SPASSKY, R. C. RICHMOND, S. PEREZ-SALAS, O. PAVLOVSKY, C. A. MOURAO, A. S. HUNTER, H. HOENIGSBERG, TH. DOBZHANSKY, AND F. J. AYALA129
Dynamics of Clonal Microspecies in Cholla Cactus. VERNE GRANT AND KAREN A. GRANT 144
The Allopatric Model and Phylogeny in Paleozoic Invertebrates. NILES ELDREDGE 156
The Ecological Relationship of the Salamander Ambystoma laterale to its All-female, Gynogenetic Associate. HENRY M. WILBUR 168
Estimation of Relative Viability and Fecundity of Color Polymorphisms in Anurans. DAVID L. JAMESON AND SUE PEQUQNAT 180
Hybridization Between Anopheles crucians and Anopheles bradlevi. R. D. KREUTZER AND J. B. KITZMILLER 195
Coadaptation of the Payne Inversion with a Previously Unrelated Genetic Background in Drosophila melanogaster. DAVID T. KUHN 207
The Relationship Between Mating Speed and Wing Length in Drosophila subobscura. MARIA MONCLUS AND ANTONIO PREVOSTI 214
Squash and Gourd Bees (Peponapis, Xenoglossa) and the Origin of the Cultivated Cucurbita. PAUL D. HURD, JR., E. GORTON LINSLEY, AND THOMAS W. WHITAKER 218
Organophyletic Trends in Several Micromorphological Floral Traits in the Hexaploid Cultivated Oats (Avena). BERNARD R. BAUM 235
Notes and Comments
Whittaker's Five Kingdoms of Organisms: Minor Revisions Suggested by Considerations of the Origin of Mitosis. LYNN MARGULIS 242
On Reversions to Former Ancestral Conditions in Megadrile Oligochaetes. G. E. GATES 246
Announcement 87
Vol. 25 June 1971 No. 2
CONTENTS
The Operation of Selection in Situations of Interspecific Competition. BRUCE R. LEVIN 249
The Components of Sexual Selection. A. FAUGERES, C. PETIT, AND E. THIBOUT 265
A New Approach to Measuring Genetic Similarity. PHILIP W. HEDRICK 276
Is There a Constant Fitness Value for a Given Genotype? No! KEN-ICHI KOJIMA 281
Gene Frequencies in a Marine Ectoproct: A Cline in Natural Populations Related to Sea Temperature. TIIOMAS J. M. SCHOPF AND JAMES L. GOOCH 286
Industrial Melanism in the Two-Spot Ladybird and Smoke Abatement. E. R. CREED 290
Further Studies of the Etiology of Hybrid Male Sterility in Drosophila paulistorum. DAVID L. WILLIAMSON AND LEE EHRMAN 294
The Reproductive System of Jepsonia heterandra. ROBERT ORNDUFF 300
Evolutionary Relationships in the Outcrossing Diploid Annual Species of Stephanomeria (Compositae). L. D. GOTTLIEB 312
The Evolution of Reproductive Isolation in Clarkia, Section Myxocarpa. ERNEST SMALL 330
Cytogenetic Studies in Clarkia, Section Primigenia. V. Interspecific Hybridization Between C. amoena huntiana and C. lassenensis. FATHI ABDEL-HAMEED 347
The Dynamics of Plant Domestication: Cultivation Experiments with Oryza perennis and its Hybrid with O. sativa. HIKO-ICHI OKA AND HIROKO MORISHIMA 356
The Effects of Predation on Artificial Mimetic Polymorphisms with Perfect and Imperfect Mimics at Varying Frequencies. CHRISTINE PILECKI AND PETER O'DONALD 365
Phenological Relationships of Some Aculeate Hymenoptera, their Dipteran Mimics, and Insectivorous Birds. G. P. WALDBAUER AND JOSEPH K. SHELDON 371
Evolution of Food-Plant Preference in the Butterfly Euphydras editha. MICHAEL C. SINGER 383
Evolution in Constant and Fluctuating Environments: Thermal Tolerances of Desert Pupfish (Cyprinodon). JAMES H. BROWN AND C. ROBERT FELDMETH 390
Levels of Genetic Compatibility of Rana areolata with Southwestern Members of the Rana pipiens Complex (Anura: Ranidae). HECTOR S. CUELLAR 399
The Effects of Crowding on Chromosomal Polymorphism of Drosophila pavani. MYRIAM BUDNIK, DANKO BRNCIC, AND SUSI KOREF-SANTIBANEZ 410
Adaptive Zones and the Orders of Mammals. LEIGH VAN VALEN 420
Tracheal Dead Space in the Respiration of Birds. DAVID S. HINDS AND WILLIAM A. CALDER 429
Book Reviews
Classification and Biology. GARETH J. NELSON 441
Editorials
The Yahoos Ride Again. R. C. LEWONTIN 442
Announcement 398
Errata ------------------ 419
Vol. 25 September 1971 No. 3
CONTENTS
Experimental Analysis of Relative Fitness in Transferrin Genotypes of Microtos ochrogaster. MICHAEL S. GAINES, JUDITH H. MYERS AND CHARLES J. KREBS 443
Lethal Alleles near Locus T in House Mouse Populations on the Jutland Peninsula, Denmark. L. C. DUNN AND DOROTHEA BENNETT 451
The Genetics of Dacus oleae. V. Changes of Esterase Polymorphism in a Natural Population Following Insecticide Control-Selection or Drift? COSTAS B. KRIMBAS AND SPYROS TSAKAS 454
Mating Propensity of Gene Arrangement Carriers from a Redwoods Population of Drosophila persimilis. ELIOT B. SPIESS, RICHARD N. SHERWIN AND TINA YACHER 461
Two Thousand Generations of Hyhridisation in a Heliconius Butterfly. JOHN R. G. TURNER 471
The Genetics of Polymorphism in the Ross' Goose (Anser rossi). F. COOKE AND J. P. RYDER 483
The Relations between Population Structure and Rate of Inbreeding. JAMES T. GIESEL 491
Parallelism and Convergence in the Evolution of Size and Shape in Holarctic Hyla. DAVID L. JAMESON AND ROLLIN C. RICHMOND 497
A Developmental Basis for Differential Tooth Reduction during Hominid Evolution. J. A. SOFAER, H. L. BAILIT, AND C. J. MACLEAN 509
An Example of Parallelism in Carnivore Brain Evolution. LEONARD RADINSKY 518
Toward the Origin of Artiodactyls. LEIGH VAN VALEN 523
Genetic Interpretation of Regressive Evolutionary Processes: Studies on Hybrid Eyes of Two Astyanax Cave Population (Characidae, Pisces). HORST WILKENS 530
Reversible Tetraploidy as an Evolutionary Mechanism. J. M. J. DE WET 545
The Monoecious and Dioecious Conditions in Sagittaria latifolia L. (Alismataceae). JEAN W. WOOTEN 549
Phenetic Analysis and the Phylogeny of the Diploid Species of Gossypium L. (Malvaceae). PAUL A. FRYXELL 554
A Comparative Study of the Cause and Significance of Morphological Variation in Adults and Pupae of Culicoides: A Factor Analysis and Multiple Regression Study. WILLIAM R. ATCHLEY 563
Changes in Microgeographic Variation Patterns of Pemphigus populitransversus over a Six-year Span. ROBERT R. SOKAL, NORMAN N. HERYFORD AND JOHN R. L. KISHPAUGH 584
Vol. 25 December 1971 No. 4
CONTENTS
Group Selection and the Evolution of Dispersal. LEIGH VAN VALEN 591
Variation in the Tarsus Length of Birds in Island and Mainland Regions. P. R. GRANT 599
Phyletic Divergence Dates of Hominoid Primates: A Comparison of Fossil and Molecular Data. THOMAS UZZELL AND DAVID PILBEAM 615
Dinosaur Physiology and the Origin of Mammals. ROBERT T. BAKKER 636
Mode of Pollination and Floral Sexuality in Thalictrum. STUART M. KAPLAN AND DAVID L. MULCAHY 659
Anthocyanidins of Some Impatiens Species. SARAH CLEVENGER 669
An Example of Parallel Evolution in Epilobium (Onagraceae). THEODORE MOSQUIN AND ERNEST SMALL 678
Relationships between Weedy and Cultivated Forms in Some Species of Chili Peppers (Genus Capsicum). BARBARA PICKERSGILL 683
Demonstration of the Selective Advantage of Mimetic Limenitis Butterflies Presented to Caged Avian Predators. AUSTIN P. PLATT, RAYMOND P. COPPINGER, AND LINCOLN P. BROWER 692
Genetic Changes in Fluctuating Vole Populations. MICHAEL S. GAINES AND CHARLES J. KREBS 702
Cytogenetics of the South American Akodont Rodents (Cricetidae). I. A Progress Report of Argentinian and Venezuelan Forms. N. O. BIANCHI, O. A. REIG, O. J. MOLINA, AND F. N. DULOUT 724
Book Reviews
Origin of Eukaryotic Cells. PETER H. RAVEN 737
Pleistocene and Recent Environments of the Central Great Plains. RONALD PEARSON 738
On the Phylogeny and the Ontogeny of the Human Larynx: A Morphological and Functional Study. E. LLOYD DU BRUL 739
Hylid Frogs of Middle America. DAVID B. WAKE 740
Index 742
Vol. 26 March 1972 No. 1
CONTENTS
Evolutionary Genetics of Cave-Dwelling Fishes of the Genus Astyanax. JOHN C. AVISE AND ROBERT K. SELANDER 1
Herman Bumpus and Natural Selection in the House Sparrow Passer domesticus. RICHARD F. JOHNSTON, DAVID M. NILES, AND SIEVERT A. ROHWER 20
Geographic Variation and Environmental Selection in Gasterosteus aculeatus L. in the Pacific Northwest, America. D. W. HAGEN AND L. G. GILBERTSON 32
The Breakdown of Trimorphic Incompatibility in Oxalis Section Corniculatae. ROBERT ORNDUFF 52
Evidence against Genetic Self-Incompatibility in the Homosporous Fern Pteridium aquilinum. EDWARD J. KLEKOWSKI, JR 66
The Origin of the Allotetraploid Clarkia gracilis. FATHI ABDEL-HAMEED AND RICHARD SNOW 74
Selective Attraction of Male Euglossine Bees to Orchid Floral Fragrances and Its Importance in Long Distance Pollen Flow. NORRIS H. WILLIAMS AND CALAWAY H. DODSON 84
Mate Selection and Balanced Polymorphism in the Tropical Nymphalid Butterfly, Anartia fatima. THOMAS C. EMMEL 96
Courtship Behavior in the Semispecies of the Superspecies Drosophila paulistorum. SUSI KOREF-SANTIBANEZ 108
Further Evidence of Genetic and Increased Developmental Homeostasis in a Drosophila melanogaster Natural Population during a Minor Climatic Shift. H. T. BAND 116
Distribution Patterns of Priochirus Species (Coleoptera: Staphylinidae) in the Solomon Islands. P. J. M. GREENSLADE 130
Isozymic Evidence Bearing on the Origin of Nicotiana tabacum L. S. J. SHEEN 143
Breeding System and Genetic Variation in Leavenworthia, OTTO T. SOLBRIG 155
Addendum 19
Vol. 26 June 1972 No. 2
CONTENTS
Rapid Evolution of Competitive Ability in Larval Mxtures of the Housefly. EDWIN H. BRYANT AND CARL R. TURNER 161
Recognition by Drosophila melanogaster of individuals from Other Strains or Cultures: Support for the Role of Olfactory Cues in Selective Mating? D. A. HAY 171
Genetic Distance and Evolutionary Relationships in the Drosophila obscura Group. SEPPO LAKOVAARA, ANSSI SAURA, AND CATHERINE T. FALK 177
Evolutionary Strategies in Life Table Characteristics among Feral and Urban Strains of Aedes aegypti (L.). THEODORE J. CROVELLO AND CARL S. HACKER 185
Karyotypic Evolution of Bees and Corresponding Taxonomic Implications. WARWICK ESTEVAM KERR AND ZULEICE VIANA DA SILVEIRA 197
Evolution in the Staphylinid Genus Priochirus (Coleoptera). P. J. M. GREENSLADE 203
Genetic and Phenotypic Differentiation and Geographic Distance in Four Species of Lepidoptera. CHARLES G. OLIVER 221
Phlox and Colias: The Efficiency of a Pollination System. DONALD A. LEVIN AND DENIS E. BERUBE 242
Pollen Exchange as a Function of Species Proximity in Phlox. DONALD A. LEVIN 251
A Pocket of Variability in Pinus rigida. F. THOMAS LEDIG AND JOHN H. FRYER 259
Chara vulgaris and C. contraria: Patterns of Reproductive Isolation for Two Cosmopolitan Species Complexes. MICHAEL C. GRANT AND VERNON W. PROCTOR 267
Discrimination Behavior and Hybridization of the Blue-Winged and Golden-Winged Warblers. FRANK B. GILL AND BERTRAM G. MURRAY, JR 282
Egg-Production, Polyploidization and Evolution in a Diploid All-Female Fish of the Genus Poeciliopsis. MICHAEL C. CIMINO 294
Notes and Comments
A Paternal Role for Bulls of the Galapagos Islands Sea Lion. GEORGE W. BARLOW 307
Pollination Study in a Natural Population of Mimulus guttatus. Y. T. KIANG 308
Book Reviews
Prehistoric Agriculture. MARY W. HELMS 311
Vol. 26 September 1972 No. 3
CONTENTS
Effects of Population Density on the Frequency-dependent Selection in the Esterase-6 Locus of Drosophila melanogaster. KEN-ICHI KOJIMA AND SHIU LAN HUANG 313
Maintenance of Chromosomal Polymorphism in a Population of Drosophila pseudoobscura: Viability under Crowded and Uncrowded Conditions. MARVIN DRUGER AND RICHARD P. NICKERSON 322
Courtship Interaction in the Semispecies of Drosophila paulistorum. SUSI KOREF-SANTIBANEZ 326
Selection and Stability in the Complex Polymorphism of Moraba scurra. JOHN R. G. TURNER 334
Random vs. Non-random Mating in the Sulfur Butterflies, Colias eurytheme and Colias philodice (Lepidoptera: Pieridae). ORLEY R. TAYLOR, JR 344
Evolution in Mixed Populations of Tribolium. PETER S. DAWSON 357
Competition between Metal Tolerant and Normal Plant Populations on Normal Soil. SHEILA C. A. COOK, CLAUDE LEFEBVRE, AND THOMAS McNEILLY 366
Pollination Biology of Nemophila menziesii (Hydrophyllaceae) with Comments on the Evolution of OligoIectic Bees. ROBERT WILLIAM CRUDEN 373
Rapid Population Differentiation in a Mosaic Environment. II. Morphological Variation in Anthoxanthum odoratum. R. W. SNAYDON AND M. S. DAVIES 390
The Reproductive Biology of Rhus integrifolia and Rhus ovata (Anacardiaceae). DAVID A. YOUNG 406
Fertile Glumes in Primitive Cultivated Wheats. G. M. WRIGHT 415
DNA Content in Relation to Phylogeny of Selected Boreal Forest Plants. M. H. EL-LAKANY AND JANET R. DUGLE 427
Evolutionary Implications of Zahnreihen. ROBERT DEMAR 435
Numbers of Bird Species on the California Islands. DENNIS M. POWER 451
The Evolution of the Use of Tools by Feeding Animals. JOHN ALCOCK 464
Some Functional Aspects of Molar Evolution. P. M. BUTLER 474
Book Reviews
Primate Societies: Group Techniques of Ecological Adaptation. BENJAMIN B. BECK 484
Theoretical Aspects of Population Genetics. JACK LESTER KING 485
Vertebrate Paleozoology. DAVID BARDACK 487
Announcement 333
Vol. 26 December 1972 No. 4
CONTENTS
The Effects of Genetic Background on the Ecology of Selection in Tribolium Populations. ROBERT R. SOKAL AND KOICHI FUJII 489
Factors Responsible for a Change in Interspecific Competitive Ability in Drosophila. PHILIP W. HEDRICK 513
Genetic Variability and Similarity in the Anolis Lizards of Bimini. T. PRESTON WEBSTER, ROBERT K. SELANDER, AND SUH Y. YANG 523
Genetic Similarities and Evolutionary Relationships among the Semispecies of Drosophila paulistorum. ROLLIN C. RICHMOND 536
Genetic Variability in the Deep Sea: Relation to Environmental Variability. JAMES L. GOOCH AND THOMAS J. M. SCHOPF 545
Chromosomal Polymorphism in Drosophila pseudoobscura Used for Diagnosis of Geographic Origin. JEFFREY R. POWELL, HOWARD LEVENE, AND THEODOSIUS DOBZHANSKY 553
Fertility and Fitness of XO Males in Drosophila. II. Quantitative Analysis. ROBERT A. VOELKER AND KEN-ICHI KOJIMA 560
Patterns of Geographic Variation in Karyotype in the Pocket Gopher, Thomomys bottae (Eydoux and Gervais). JAMES L. PATTON 574
Climatic Adaptation and Photoperiodic Response in the Band-legged Ground Cricket. SINZO MASAKI 587
On the Biological Improbability of Zahnreihen as Embryological Units. J. W. OSBORN 601
A Review of Some Current Concepts of the Functional Evolution of the Ear in Terrestrial Vertebrates. GEOFFREY A. MANLEY 608
Mechanics and the Evolution of the Synapsid jaw. ROBERT DEMAR AND HERBERT R. BARGHUSEN 622
Evolution of Mastication in the Elephantidae. VINCENT J. MAGLIO 638
Evolution of the Merycoidodont Masticatory Apparatus (Mammalia, Artiodactyla). WALTER STALKER GREAVES 659
Notes and Comments
Competition for Pollinator Service: A Stimulus for the Evolution of Autogamy. DONALD A. LEVIN 668
Phyletic Divergence Dates of Hominoid Primates. DWIGHT W. READ AND PETE LESTREL 669
Flaveria campestris (Asteraceae): A Case of Polyhaploidy or Relic Ancestral Diploidy? LORAN C. ANDERSON 671
Why Are Bird-Visited Flowers Predominantly Red? PETER H. RAVEN 674
Book Reviews
Science and Philosophy in the Soviet Union. EVERETT C. OLSON 675
Dental Morphology and Evolution. J. W. OSBORN 676
Fossils, A Study in Evolution. PETER P. VAUGHN 677
Index 679
Announcement 512, 535
Erratum 522
Vol. 27 March 1973 No. 1
CONTENTS
An Explanation for Cope's Rule. STEVEN M. STANLEY 1
Body Size and Numbers of Plants and Animals. LEIGH VAN VALEN 27
The Evolution of Some Morphological Characters of the Upper Cheek Teeth of the Fossil Horses. ANN FORSTEN 36
Significance of Sympatry to Behavior and Evolution of Great Plains Meadowlarks. SIEVERT A. ROHWER 44
The Phenetics and Ecology of a Narrow Hybrid Zone. JAMES F. JACKSON 58
Major Ecological and Geographic Patterns in the Evolution of Colubroid Snakes. GEORGE B. RABB AND HYMEN MARX 69
Evolution of the Predator Isocline. MICHAEL L. ROSENZWEIG 84
The Substitutional Load and Mutational Load in a Finite Population. TAKEO MARUYAMA 95
Population Genetics of Marine Pelecypods. II. Genetic Differences in Microhabitats of Modiolus demissus. RICHARD K. KOEHN, FRANCIS J. TURANO, AND JEFFRY B. MITTON 100
Occurrence of Successful Multiple Insemination of Females in Natural Populations of Deer Mice (Peromyscus maniculatus). D. ALAN BIRDSALL AND DAVID NASH 106
Changing Reproductive Rates and Population Cycles in Lemmings and Voles. WILLIAM M. SCHAFFER AND ROBERT H. TAMARIN 111
Maintenance of Chromosomal Polymorphism in a Population of Drosophila pseudoobscura. II. Fecundity, Longevity, Viability and Competitive Fitness. RICHARD P. NICKERSON AND MARVIN DRUGER 125
Evolution of Litter-Size in the Pika, Ochotona princeps (Richardson). JOHN S. MILLAR 134
Assortative Pollination for Stature in Lythrum salicaria. DONALD A. LEVIN AND HAROLD W. KERSTER 144
Polyploidy in Fungi. JACK D. ROGERS 153
Notes and Comments
A Non-genetic "Polymorphism" in Anartia fatima (Lepidoptera: Nymphalidae). ORLEY R. TAYLOR, JR 161
On the Nature of the Polymorphism and Mate Selection Phenomena in Anartia fatima (Lepidoptera: Nymphalidae). THOMAS C. EMMEL 164
Dinosaurs as Reptiles. ALAN FEDUCCIA 166
Dinosaur Physiology: A Critique. ALBERT F. BENNETT AND BONNIE DALZELL 170
Book Review
Some Russian Viewpoints. EVERETT C. OLSON 175
Announcement 26
Vol. 27 June 1973 No. 2
CONTENTS
Genetic Variation in Tridacna maxima, an Ecological Analog of Some Unsuccessful Evolutionary Lineages. FRANCISCO J. AYALA, DENNIS HEDGECOCK, GARY S. ZUMWALT, AND JAMES W. VALENTINE 177
Genetic Differentiation without Isolation in the American Eel, Anguilla rostrata. GEORGE C. WILLIAMS, RICHARD K. KOEHN, AND JEFFRY B. MITTON 192
Enzyme Differentiation and Phylogeny in Clarkia franciscana, C. rubicunda and C. amoena. L. D. GOTTLIEB 205
Studies of Linkage in Populations. VI. Periodic Selection for X-chromosome Gene Arrangement Combinations. MAX LEVITAN 215
Hybridization of KaryotypicaIly Differentiated Populations in the Sceloporus grammicus Complex (Iguanidae). WILLIAM P. HALL AND ROBERT K. SELANDER 226
ChromosomaI Evolution in Haplopappus gracilis: a Centric Transposition Race. R. C. JACKSON 243
Preferential Mating and the Maintenance of the Sex-limited Dimorphism in Papilio glaucus: Evidence from Laboratory Matings. MALCOLM P. LEVIN 257
Propensity for Multiple Mating in Drosophila melanogaster Females. P. A. FUERST, W. W. PENDLEBURY AND J. F. KIDWELL 265
Predator Polymorphism and Apostatic Selection. DENNIS R. PAULSON 269
Genetic Divergence in Body Size among Experimental Populations of Drosophila pseudoobscura Kept at Different Temperatures. WYATT W. ANDERSON 278
Weather, Climate, and the External Morphology of Pacific Tree Toads. DAVID L. JAMESON, JAMES P. MACKEY AND MARGARET ANDERSON 285
Intra- and Interspecies Variations in Gypidulid Brachiopods. JOSEPH H. MAKURATH AND E. J. ANDERSON 303
Comparative Evolution of Cereals. JACK R. HARLAN, J. M. J. DE WET, AND E. GLEN PRICE 311
The Numbers of Species of Hummingbirds in the West Indies. DAVID LACK 326
Chance, Habitat and Dispersal in the Distribution of Birds in the West Indies. JOHN TERBORGH 338
Book Reviews
The Functional and Evolutionary Biology of Primates. DWIGHT W. READ 350
Populations in a Seasonal Environment. MARTIN L. CODY 351
Vol. 27 September 1973 No. 3
CONTENTS
Adaptive Color Polymorphism in Cricket Frogs. EVIATAR NEVO 353
Dewlap Color Variation and Electrophoretically Detected Sibling Species in a Haitian Lizard, Anolis brevirostris. T. PRESTON WEBSTER AND JOHN M. BURNS 368
Chromosomal, Electrophoretic, and Breeding Studies of Selected Populations of Deer Mice (Peromyscus tnaniculatus) and Black-eared Mice (P. melanotis). J. HOYT BOWERS,
ROBERT J. BAKER, AND MICHAEL H. SMITH 378
Environmental Control of Seasonal Variation in the Butterfly Colias eurytheme. I. Adaptive Aspects of a Photoperiodic Response. RICHARD J. H HOFFMANN 387
A Further Analysis of Bumpus' Data: The Intensity of Natural Selection. PETER O'DONALD 398
Adaptive Variation in Body Size and Skeletal Proportions of Horned Larks of the Southwestern United States. DAVID M. NILES 405
A Model Relating Developmental Interaction and Differential Evolutionary Reduction of Tooth Size. J. A. SOFAER 427
Effects of Thirty Years Hybridization on the Toads Bufo americanus and Bufo woodhousii fowleri at Bloomington, Indiana. J. MICHAEL JONES 435
Barriers to Hybridization Between the House Fly, Musca domestica L., and the Face Fly, M. autumnalis De Geer (Diptera: Muscidae). E. TOBIN AND J. G. STOFFOLANO, JR. 449
On the Ethological Differentiation of Drosophila ananassae and Drosophila pallidosa in Samoa. DAVID G. FUTCH 456
Fertility Genes in Natural Populations of Drosophila melanogaster. Ill. Superiority of Inversion Heterozygotes. TAKAO K. WATANABE AND TAISHU WATANABE 468
Studies of Linkage in Populations. VII. Temporal Variation and X-Chromosomat Linkage Disequilibriums. MAX LEVITAN 476
Adaptive Chromosomal Polymorphism in Drosophila melanica. JOHN TONZETICH AND CALVIN L. WARD 486
Interaction Effects of Temperature and Humidity on Pupal Survival in Drosophila melanica. JOHN TONZETICH AND CALVIN L. WARD 495
Clarkia rubicunda: A Model of Plant Evolution in Semiarid Regions. BRUCE BARTHOLOMEW, L. C. EATON, AND PETER H. RAVEN 505
Extrapolation of the Predomesticaled Hexaploid Cultivated Oats. B. R. BAUM 518
Phylogenetic Significance of Pollen Nuclear Number in the Euphorbiaceae. GRADY L. WEBSTER AND EARLENE A. RUPERT 524
Notes and Comments
The Age Structure of a Hybrid Swarm in Liatris (Compositae). DONALD A. LEVIN 532
Book Reviews
Evolutionary Biology Vol. 5. WILLIAM L. BLOOM 535
Announcements 367, 404, 467
Vol. 27 December 1973 No. 4
CONTENTS
Adaptive Significance of Pigment Polymorphisms in Colias Butterflies. III. Progress in the Study of the "Alba" Variant. WARD B. WATT 537
Sexual Vigor and Sexual Selection in Drosophila melanogaster. A. ELENS, J. VAN DEN HAUTE, AND J. DELCOUR 549
Frequency-Dependent Selection at the Payne Inversion in Drosophila melanogaster. R. NASSAR, H. J. MUHS AND R. D. COOK 558
Active Dispersal and Passive Transport in Drosophila. THEODOSIUS DOBZHANSKY 565
Demography and Genetics in Colonizing Populations of Blue Grouse (Dendragapus obscurus). J. A. REDFIELD 576
Genetic Variation in Side-Blotched Lizards on Islands in the Gulf of California. MICHAEL SOULE AND SUH YUNG YANG 593
Genic Differentiation Associated with the Early Stages of Speciation in the Mulleri Subgroup of Drosophila. E. ZOUROS 601
Genetic Variation in Lycopodium lucidulum: A Phylogenetic Relic. DONALD A. LEVIN AND WILLIAM L. CREPET 622
Cytoplasmic Sterilities that Separate the Group Tuberosum Cultivated Potato from its Putative Tetraploid Ancestor. PAUL GRUN 633
Intergenomic Mapping of Maize, Teosinte and Tripsacum. WALTON C. GALINAT 644
The Breeding System and Variation in Populations of Poa annua L. W. M. ELLIS 656
Breeding Systems in Cortaderia (Gramineae). H. E. CONNOR 663
Chiasma Frequency Evidence on the Evolution of Autogamy in Litmnanthes floccosa (Limnanthaceae). MARY T. KALIN ARROYO 679
Toward a Predictive Cave Biogeography: The Greenbrier Valley as a Case Study. DAVID CULVER, JOHN R. HOLSINGER, AND ROGER BAROODY 689
Respiration in Metazoan Evolution. RICHARD COWEN 696
Notes and Comments
The Absence of t Alleles in Feral Populations of House Mice. JUDITH H. MYERS 702
Book Reviews
AtIas of Palaeobiogeography. EVERETT C. OLSON 705
Reviewers 707
Index 708
Vol. 28 March 1974 No. 1
CONTENTS
Genetic Variation, Selection and Speciation in Thomomys talpoides Pocket Gophers. EVIATAR NEVO, YUNG J. KIM, CHARLES R. SHAW AND CHARLES S. THAELER, JR 1
Genetic and Reproductive Differentiation of the Subspecies, Drosophila equinoxialis caribbensis. FRANCISCO J. AYALA, MARTIN L. TRACY, LORRAINE G. BARR AND JOAN G. EHRENFELD 24
Biochemical Genetics of Sunfish. I. Geographic Variation and Subspecific Intergradation in the Bluegill, Lepomis macrochirus. JOHN C. AVISE AND MICHAEL H. SMITH 42
Rigid and Flexible Chromosomal Polymorphisms in Neighboring Populations of Drosophila pseudoobscura. DAVID W. CRUMPACKER AND JAMES S. WILLIAMS 57
Epistatic Gene Interaction, Crossing Over, and Linked and Unlinked Inversions in Drosophila subobscura. DIETHER SPERLICH AND HEIDE FEUERBACH-MRAVLAG 67
Strategies for Egg Production. PETER W. PRICE 76
Breeding Systems of Tree Species of a Lowland Tropical Community. K. S. BAWA 85
The Reproductive Behaviour and the Nature of Sexual Selection in Scatophaga stercoraria L. (Diptera: Scatophagidae). IX. Spatial Distribution of Fertilization Rates and Evolution of Male Search Strategy within the Reproductive Area. G. A. PARKER 93
On the Male Reproductive Behavior and Sustained Polymorphism of the RT Locus in Laboratory Populations of Ephestia kuhnielia. WILLIAM B. COTTER 109
Analytical Zoogeography of North American Mammals. JOHN W. WILSON, III 124
On Tooth Succession in Diademodon. J. W. OSBORN 141
Notes and Comments
A Comment on Evolution in the Drosophila obscura Species Group. JAMES S. FARRIS 158
A RepIy to Dr. Farris' Comment on Evolution in the Drosophila obscura Species Group. SEPPO LAKOVAARA, ANSSI SAURA, JUHANI LOKKI AND PEKKA LANKINEN 160
A Note on the Speed of Gene Frequency Changes in Reverse Directions in a Finite Population. TAKEO MARUYAMA AND MOTOO KIMURA 162
Sexual Dimorphism in Skates (Rajidae) and its Possible Role in Differential Niche Utilization. ALAN FEDUCCIA AND BOB H. SLAUGHTER 164
Announcement 41
Vol. 28 June 1974 No. 2
CONTENTS
The Evolution of Clutch Size and Reproductive Rates in Parasitic Cuckoos. ROBERT B. PAYNE 169
A Model to Explain Molt-Breeding Overlap and Clutch Size in Some Tropical Birds. MERCEDES S. FOSTER 182
The Origin and Function of "Bizarre" Structures: Antler Size and Skull Size in the "Irish Elk," Megaloceros giganteus. STEPHEN JAY GOULD 191
Evolutionary Responses of Plants to Seed-Eaters: Pine Squirrel Predation on Lodgepole Pine. PHILLIP F. ELLIOTT 221
Intra-Population Differentiation in Annual Plants. I. Veronica peregrina L. Raised Under Non-Competitive Conditions. YAN B. LINHART 232
Genetic Confirmation of the Origin of Clarkia lingulata. L. D. GOTTLIEB 244
Coadaptation and Recessive Lethal Content in DDT Resistant Populations of Drosophila melanogaster. WILLIAM W. JOHNSON 251
Frequency-Dependent Mate Selection in Mormoniella vitripennis. BRUCE GRANT, G. ANN SNYDER AND STEVEN F. GLESSNER 259
Uncorrelated Random Environments and their Effects on Gene Frequency. R. DENNIS COOK AND DANIEL L. HARTL 265
Autocorrelated Random Environments and their Effects on Gene Frequency. DANIEL L. HARTL AND R. DENNIS COOK 275
Genetic Divergence of Death Valley Pupfish Species: Biochemical Versus Morphological Evidence. BRUCE J. TURNER 281
Genetic Analysis of North American Populations of the Pink Salmon, Oncorhynchus gorbuscha, Possible Evidence for the Neutral Mutation-Random Drift Hypothesis. NEVIN ASPINWALL 295
Evolution of a Trihybrid Unisexual Fish (Poeciliopsis, Peociliidae). ROBERT C. VRIJENHOEK AND R. JACK SCHULTZ 306
The Evolution of Air-Breathing in Paleozoic Gnathostome Fishes. GARY C. PACKARD 320
Notes and Comments
Naturally Occurring Variation in Larval Color of Colias Butterflies: Isolation from Two Colorado Populations. RICHARD J. HOFFMANN AND WARD B. WATT 326
On the Reality of Zahnreihen and the Nature of Reality in Morphological Studies. ROBERT E. DEMAR 328
Mutation in Situ and the Origin of Localized Polymorphism in Avena barbata. K. N. RAI 330
Book Reviews
Evolutionary Aspects of Marine Biology. RALPH I. SMITH 333
Evolution in Plants. DAVID M. MOORE 334
Vol. 28 September 1974 No. 3
CONTENTS
Evolution of the World Fauna of Aquatic Free-Living Arthropods. JOHN L. CISNE 337
Breeding Systems and Resistance to Environmental Stress in Ciliates. DENNIS NYBERG 367
The Role of Genetic Drift in the Differentiation of Icelandic and Norwegian Cattle. K. K. KIDD AND L. L. CAVALLI-SFORZA 381
Genic Heterozygosity in the 13-Year Cicada, Magicicada. SUSAN R. KREPP AND MICHAEL H. SMITH 396
Polymorphic Mimicry and Natural Selection: A Reappraisal. JANET EDMUNDS AND MALCOLM EDMUNDS 402
Adult Movements and Population Structure in Euphydryas editha. P. F. BRUSSARD, P. R. EHRLICH, AND M. C. SINGER 408
The Congruence of Morphometric Shape in Relation to Genetic Divergence in Four Races of Morabine Grasshoppers (Orthoptera: Eumastacidae). WILLIAM R. ATCHLEY AND DAVID A. HENSLEIGH 416
The Influence of Sexual Selection and Interspecific Competition on Mockingbird Song (Mimus polyglottos). RICHARD D. HOWARD 428
Inchoate Speciation in Ceratopteris: An Analysis of the Synthesized Hybrid C. richardii X C. pteridoides. LESLIE G. HICKOK AND EDWARD J. KLEKOWSKI, JR 439
Relative Growth of the Titanothere Horn: A New Approach to an Old Problem. STEVEN M. STANLEY 447
Paleontology and Evolutionary Theory. DAVID B. KITTS 458
Notes and Comments
A Paternal Role in Galapagos Sea Lions? EDWARD H. MILLER 473
Galapagos Sea Lions Are Paternal. GEORGE W. BARLOW 476
Testing Evolutionary Hypotheses in Paleontology: A Comment on Makurath and Anderson (1973). NILES ELDREDGE 479
Evolution of Appalachian Gypidulid Brachiopods: A Reply to Eldredge (1974). JOSEPH H. MAKURAT 481
The Utility of Electrophoretic Analysis of Long-Lived Plants and Seeds for the Study of Evolution. L. D. GOTTLIEB 483
Polymorphic Mimicry and Natural Selection: A Reply to J. and M. Edmunds. PETER O'DONALD AND CHRISTINE PILECKI 484
Schooling Behavior in the Guppy (Poecilia reticulata): An Evolutionary Response to Predation. BENONI H. SEGHERS 486
Polymorphism in Cricket Frogs: An Hypothesis. WILLIAM W. MILSTEAD, A. STANLEY RAND, AND MARGARET M. STEWART 489
Reply to "Dinosaurs as Reptiles." JOHN H. OSTROM 491
Dinosaurs as Dinosaurs. PETER DODSON 494
Dinosaur Bioenergetics-A Reply to Bennett and Dalzell, and Feduccia. ROBERT T. BAKKER 497
A Final Word. ALBERT F. BENNETT 503
Endothermy, Dinosaurs, and Archaeopteryx. ALAN FEDUCCIA 503
The Evolutionary Origin of Hybrid Inviability. JERRY A. COYNE 505
Book Reviews
Human Evolution. FREDERICK S. SZALAY 507
The Meaning of Fossils. PETER P. VAUGHN 508
Stability and Complexity in Model Ecosystems. THOMAS W. SCHOENER 510
Vol. 28 December 1974 No. 4
CONTENTS
Effective Population Numbers in the Snail Cepaea nemoralis. J. J. D. GREENWOOD 513
Interdemic Selection and the Evolution of Altruism: A Computer Simulation Study. BRUCE R. LEVIN AND WILLIAM L. KILMER 527
Enzyme Variability in Natural Populations of Daphnia magna I. Population Structure in East Anglia. PAUL D. N. HEBERT 546
Genic and Chromosomal Differentiation in Pocket Gophers of the Geomys bursarius Group. ROBERT K. SELANDER, DONALD W. KAUFMAN, ROBERT J. BAKER, AND STEPHEN L. WILLIAMS 557
The Correlation of Climate and Host Plant Morphology with a Geographic Gradient of an Inversion Polymorphism in Drosophila pachea. B. L. WARD, W. T. STARMER, J. S. RUSSELL, AND W. B. HEED 565
Genetic Differentiation During the Speciation Process in Drosophila. FRANCISCO J. AYALA, MARTIN L. TRACEY, DENNIS HEDGECOCK, AND ROLLIN C. RICHMOND 576
Reproductive Relationships Between Homosequential Species of Hawaiian Drosophila. ELYSSE M. CRADDOCK 593
Comparative Geographic Variation in Menidia. MICHAEL S. JOHNSON 607
Genetic Variability in Edaphically Restricted and Widespread Plant Species. GARY R. BABBEL AND ROBERT K. SELANDER 619
Changes in Mating Behavior Produced by Selection for Ethological Isolation Between Ebony and Vestigial Mutants of Drosophila melanogaster. STELLA A. CROSSLEY 631
Spatial Segregation of Pins and Thrums in Populations of Hedyotis nigricans. DONALD A. LEVIN 648
Marine Faunal Dominance and Molluscan Shell Form. GEERAT J. VERMEIJ 656
Analysis of a Generic Level Transition in Cretaceous Ammonites. R. A. REYMENT 665
Dark CO2 Fixation, Habitat Preference and Evolution Within the Bromeliaceae. ERNESTO MEDINA 677
Notes and Comments
Lack of Allozymic Variability in Three Bee Species. THOMAS P. SNYDER 687
Chromosomal Evolution in Peromyscus. TIMOTHY E. LAWLOR 689
The Effect of Water on Pollen Germination in Two Species of Primula. DAN EISIKOWITCH AND STANLEY R. J. WOODELL 692
Book Reviews
Proceedings of the Sixth Berkeley Symposium on Mathematical Statistics and Probability, Volume 5: Darwinian Neo-Darwinian, and Non-Darwinian Evolution. PETER F. BRUSSARD AND SIMON A. LEVIN 695
Evolution of the Metazoan Life Cycle. JOEL W. HEDGPETH 696
Announcement of New Editor 526
Reviewers 697
Subject Index 698
Vol. 29 March 1975 No. 1
CONTENTS
The Bottleneck Effect and Genetic Variability in Populations. MASATOSHI NEI, TAKEO MARUYAMA, AND RANAJIT CHAKRABORTY 1
Genetic Variation in Hawaiian Drosophila I. Chromosome and Allozyme Polymorphism in D. setosimentum and D. ochrobasis from the Island of Hawaii. HAMPTON L. CARSON AND WALTER E. JOHNSON 11
Genetics of Natural Populations XLII. Three Decades of Genetic Change in Drosophila pseudoobscura. WYATT ANDERSON, THEODOSIUS DOBZHANSKY, OLGA PAVLOVSKY, JEFFREY POWELL, AND DARRELL YARDLEY 24
Interspecific Hybridization, Heterozygosity and Gene Exchange in Phlox. DONALD A. LEVIN 37
Evolutionary Genetics of Insular Adriatic Lizards. GEORGE C. GORMAN, MICHAEL SOULE, SUH YUNG YANG, AND EVIATAR NEVO 52
Phylogenetic Evolution in Columbidae as Revealed by Interrelationships of Genetic Systems
of Antigenic Characters. M. R. IRWIN 72
Group Selection, Sex, and Fossils. LEIGH VAN VALEN 87
Natural Selection on Morphological Phenotypes of the Lizard Uta Stansburiana. STANLEY F. Fox 95
Leptothorax duloticus and the Beginnings of Slavery in Ants. EDWARD O. WILSON 108
Monomorphic Mimicry in Nearctic Limenitis Butterflies: Experimental Hybridization of the L. arthemis-astyanax Complex with L. archippus. AUSTIN P. PLATT 120
Gregarious Nesting of the Mason Bee Hoplitis anthocopoides and the Evolution of Parasitism and Sociality Among Megachilid Bees. GEORGE C. EICKWORT 142
The Role of Predation in the Evolution of Social Behavior of Natural Populations of the Guppy, Poccilia reticulata (Pisces: Poeciliidae). JAMES A. FARR 151
DNA-DNA Hybridization Studies of Birds. G. F. SHIELDS AND N. A. STRAUS 159
Dioecism in Tropical Forest Trees. K. S. BAWA AND P. A. OPLER 167
Notes and Comments
Tooth Replacement: Efficiency, Patterns and Evolution. J. W. OSBORN 180
Fecundity in Distylous and Self-Incompatible Homostylous Plants of Mitchelia repens (Rubiaceae). FRED R. GANDERS 186
Reply to Comments on "Chromosomal Evolution in Peromyscus". ROBERT J. BAKER, J. HOYT BOWERS, AND MICHAEL H. SMITH 189
Book Reviews
Evolution of the Brain and Intelligence. LEONARD RADINSKY 190
Announcement of Davis Meeting 86
Announcements 10, 36
Application for Membership 94
Vol. 29 June 1975 No. 2
CONTENTS
Gene Control Mechanisms and Their Possible Bearing on the Neutralist-Selectionist Controversy. BRUCE WALLACE 193
Deep-Sea Asteroids: High Genetic Variability in a Stable Environment. FRANCISCO J. AYALA, JAMES W. VALENTINE, DENNIS HEDGECOCK AND LORRAINE G. BARR 203
Allelic Diversity in the Outcrossing Annual Plant Stephanomeria exigua ssp. carotifera (Compositae). L. D. GOTTLIEB 213
Song Dialects and Genetic Differences in White-Crowned Sparrows (Zonotrichia leucophrys). MYRON CHARLES BAKER 226
Unstable Intermediates Between Orinocan and Interior Semispecies of Drosophila paulistorum. THEODOSIUS DOBZHANSKY AND OLGA PAVLOVSKY 242
Evolution in Hawaiian Drosophilidae: Chromosomal Phylogeny of the Drosophila crassifemur Complex. JONG SIK YOON, KATHLEEN RESCH, M. R. WHEELER, AND R. H. RICHARDSON 249
Distribution and Evolutionary Significance of Chromosome Variation in Trillium ovatum. ICHIRO FUKUDA AND R. B. CHANNEL 257
Marginal Populations of Cepaea nemoralis (L.) on the Brandon Hills, England. I. Ecology and Ecogenetics. C. R. BANTOCK AND D. J. PRICE 267
Marginal Populations of Cepaea nemoralis (L.) on the Brandon Hills, England. II. Variation in Chiasma frequency. D. J. PRICE AND C. R. BANTOCK 278
Population Density and Mating Rates in Drosophila pseudoobscura. IRENE ANNE ECKSTRAND AND MARVIN BARR SEIGER 287
Ecology and Evolution of the Pitcher-Plant Mosquito: 1. Population Dynamics and Laboratory Responses to Food and Population Density. CONRAD A. ISTOCK, STEVEN S. WASSERMAN, AND HAROLD ZIMMER 296
Aspect Diversity in Moths: A Temperate-Tropical Comparison. ROBERT E. RICKLEFS AND KEVIN O'ROURKE 313
Bee Flowers: A Hypothesis on Flower Variety and Blooming Times. BERND HEINRICH 325
Host Castration as a Parasitic Strategy. MARIO BAUDOIN 335
The Behavioral Significance of Frill and Horn Morphology in Ceratopsian Dinosaurs. JAMES O. FARLOW AND PETER DODSON 353
Notes and Comments
Genetic Similarity and Distance: Comments and Comparisons. PHILIP W. HEDRICK 362
Sex Ratio Selection in an Age-Structured Population. ERIC L. CHARNOV 366
The Evidence for Reproductive Character Displacement Between the Toads Bufo americanus and B. woodhousii fowleri. JASPER J. LOFTUS-HILLS 368
Reply to Loftus-Hills. J. MICHAEL JONES 370
Complementary Roles of Halictids and Syrphids in the Pollination of Jepsonia heterandra (Saxifragaceae). ROBERT ORNDUFF 370
Pattern Diversity of Incompatibility Groups in Jepsonia heterandra (Saxifragaceae). ROBERT ORNDUFF AND STEPHEN G. WELLER 372
Book Reviews
Darwinian or "Oriented" Evolution? THEODOSIUS DOBZHANSKY 375
Genetic Structure of Populations. S. K. JAIN 377
Gibbon and Siamang. DAVID J. CHIVERS 380
Race. JAMES C. KING 382
Erratum 248
Application for Membership 384
Vol. 29 September 1975 No. 3
CONTENTS
Genetic Structure of Populations of the Brown Snail (Helix aspersa). I. Microgeographic Variation. ROBERT K. SELANDER AND DONALD W. KAUFMAN 385
Geographic Variation in North American Colonies of Cepaea nemoralis. PETER F. BRUSSARD 402
Adaptive Differentiation with Little Genic Change Between Two Native California Minnows. JOHN C. AVISE, JERRY J. SMITH, AND FRANCISCO J. AYALA 411
Genetic Variation and Speciation in New World Cichlids. IRVING L. KORNFIELD AND RICHARD K. KOEHN 427
Correlations Between Quantitative Characters and Enzyme Genotypes in Avena barbata. J. L. HAMRICK AND R. W. ALLARD 438
Allozymes of Galapagos Tomatoes: Polymorphism, Geographic Distribution, and Affinities. CHARLES M. RICK AND JON F. FOBES 443
Competition Between Metal Tolerant and Normal Plant Populations; A Field Experiment on Normal Soil. D. A. HICKEY AND T. McNEILLY 458
Hard and Soft Selection Revisited. BRUCE WALLACE 465
Evolutionary and Ecological Relationships Between Aquilegia formosa and A. pubescens (Ranunculaceae), Two Perennial Plants. VALERIE C. CHASE AND PETER H. RAVEN 474
The Novel Flavonoid Chemistry and Phylogenetic Origin of Phlox floridana. MORRIS LEVY AND DONALD A. LEVIN 487
The Evolution of Subdioecy in Morphologically Gynodioecious Species of Fuchsia sect. Encliandra (Onograceae). MARY T. KALIN ARROYO AND PETER H. RAVEN 500
High Frequency of One Element of Segregation Distorter in Natural Populations of Drosophila melanogaster. DANIEL L. HARTL AND NANCY HARTUNG 512
Selection for Mating Activity in Two Chromosomal Arrangements of Drosophila pseudoobscura. RICHARD N. SHERWIN 519
Semispecies of Drosophila athabasca Distinguishable by Male Courtship Sounds. DWIGHT D. MILLER, RAYMOND B. GOLDSTEIN, AND ROSEMARIE ANDERSON PATTY 531
Controls of Number of Bird Species on Montane Islands in the Great Basin. NED K. JOHNSON 545
Notes and Comments
On the Evolution of Complex Life Cycles. NORMAN A. BLADE AND RICHARD J. WASSERSUG 568
More on Complex Life Cycles. CONRAD A. ISTOCK 572
Chiasma Frequency and Adaptability in Locusts. JOHN M. DEARN 572
On the Quantification of Promiscuity (or "Promyscus" maniculatus?). R. B. Merritt AND B. J. WU 575
Sexual Drive of Normal and SR Flies of Drosophila nebulosa. CH. MALOGOLOWKIN-COHEN AND M. A. Q. RODRIGUES-PEREIRA 579
Book Reviews
Competition and the Structure of Bird Communities. ROBERT E. RICKLEFS 581
The Genetic Structure of Populations. DANIEL L. HARTL 585
The Genetic Basis of Evolutionary Change. JOSEPH FELSENSTEIN 587
Application for Membership 591
Vol. 29 December 1975 No. 4
CONTENTS
The Social Significance of Avian Winter Plumage Variability. SIEVERT ROHWER 593
A Cytogenetic Study of the White-throated Sparrow, Zonotrichia albicollis (Gmelin). H. BRUCE THORNEYCROFT 611
The Biogeography of Laboratory Islands. BRUCE WALLACE 622
Simultaneous Selective Predation on Two Features of a Mixed Sibling Species Population. C. R. BANTOCK, J. A. BAYLEY, AND P. H. HARVEY 636
Saturniid Moths as Mimics: An Alternative Interpretation of Attempts to Demonstrate Mimetic Advantage in Nature. G. P. WALDBAUER AND J. G. STERNBURG 650
Coevolution of Plants and Herbivores: Passion Flower Butterflies. WOODRUFF W. BENSON, KEITH S. BROWN, JR., AND LAWRENCE E. GILBERT 659
Chromosome Evolution and Aneuploid Reduction in Calycadenia pauciflora (Asteraceae). GERALD D. CARR 681
The Genetic Composition of Philaenus spumarius Populations in Island Habitats Variably Affected by Voles. O. HALKKA, M. RAATIKAINEN, L. HALKKA AND R. HOVINEN 700
Biological Considerations of the Marsupial-Placental Dichotomy. JASON A. LILLEGRAVEN 707
Late Cenozoic Evolution of Tropical Lowland Vegetation in Veracruz, Mexico. ALAN GRAHAM 723
Character Displacement in the Radiolarian Genus, Eucyrtidium. DAVIDA E. KELLOGG 736
Island Biogeography of Ants. EDWARD L. GOLDSTEIN 750
Ecological Competition and the Advantage of the Rare Type in Drosophila melanogaster. CLAUDINE PETIT AND DANIELLE NOUAUD 763
Notes and Comments
Effects of Larval Biotic Residues on Viability in Four Species of Drosophila. MYRIAM BUDNIK AND DANKO BRNCIC 777
Reversed Sex-limited Mimicry in a Beetle. HENRY A. HESPENHEIDE 780
Bulletin 635
Announcements 610, 658, 722, 776, 783, 785
Reviewers of Manuscripts 784
Subject Index to Volume 29 786
Application for Membership 706
Vol. 30 March 1976 No. 1
CONTENTS
In Memoriam: Theodosius Dobzhansky 1
Population Genetics of Marine Pelecypods. IV. Selection, Migration and Genetic Differentiation in the Blue Mussel Mytilus edulis. RICHARD K. KOEHN, ROGER MILKMAN AND JEFFRY B. MITTON 2
Geographic Protein Variation and Divergence in Populations of the Salamander Plethodon cinereus. RICHARD HIGHTON AND T. PRESTON WEBSTER 33
Genetic Differentiation in Speciose versus Depauperate Phylads: Evidence from the California Minnows. JOHN C. AVISE AND FRANCISCO J. AYALA 46
Relationships between Aggressive Behavior and Genic Heterozygosity in the Oldfield Mouse, Peromyscus polionotus. CHARLES T. GARTEN, JR 59
Butterfly Palatability and Mimicry: Experiments with Ameiva Lizards. THOMAS C. BOYDEN 73
The Maintenance of Non-Mimetic Forms in a Dimorphic Batesian Mimic Species. JOHN A. BARRETT 82
Studies in Warning Coloration and Mimicry. VII. Evolutionary Consequences of a Batesian-Mullerian Spectrum: A Model for Miillerian Mimicry. JAMES E. HUHEEY 86
Population Genetic Studies in Bees. 2. Sex-Limited Genes. WARWICK ESTEVAM KERR 94
The Influence of Genetic Variability on Wing Symmetry in Honeybees (Apis mellifera). DOROTHEA BRUCKNER 100
Genetic Changes in Natural Populations of Drosophila melanogaster. TAKAO K. WATANABE, TAISHU WATANABE AND CHOZO OSHIMA 109
Sib-mating Populations in an Unpredictable Environment: Effects on Components of Fitness. DAVID WOOL AND ELIYAHU SVERDLOV 119
Effects of Age, Rearing and Mating Experiences on Frequency Dependent Sexual Selection in Drosophila pseudoobscura. ANITA PRUZAN 130
Effects of Larval Biotic Residues on Chromosomal Polymorphism of Drosophila pavani. DANKO BRNCIC AND MYRIAM BUDNIK 146
Chromosome Evolution in Woodrats, Genus Neotoma (Rodentia: Cricetidae). J. T. MASCARELLO AND T. C. HSU 152
Influence of Environmental Factors on Frequencies of Certain Chromosomal Inversions in Chironomus tentans Fabricius. M. S. TOPPING AND A. B. ACTON 170
The Interrelation between Variability of Characters, Effectiveness of Energy Utilization, and Karyotype Structure in Fishes. GEORGE NIKOLSKY 180
Notes and Comments
Effective Population Number in Cepaea: A Modification. J. J. D. GREENWOOD 186
Evolution of the Brain and Intelligence: Comment on Radinsky's Review. HARRY J. JERISON 186
A Comment on the Role of Environmental Variation in Maintaining Polymorphisms in Natural Populations. EDWIN H. BRYANT 188
Book Reviews
Variability of Mammals. SYDNEY ANDERSON 191
Genetics of Flowering Plants. L. D. GOTTLIEB 192
Sex and Evolution. DENNIS NYBERG 194
The Siamang in Malaya. JOHN G. FLEAGLE 196
Molecular Population Genetirs and Evolution. CHRISTOPHER WILLS 198
Coevolution of Animals and Plants. PETER F. BRUSSARD 199
Announcement 118
Vol. 30 June 1976 No. 2
CONTENTS
Partially Successful Attempt to Enhance Reproductive Isolation between Semispecies of Drosophila paulistorum. TH. DOBZHANSKY, O. PAVLOVSKY AND J. R. POWELL 201
Isozyme Variation in Natural Populations of Drosophila buzzatii. J. S. F. BARKER AND J. C. MULLEY 213
The Evolution of Social Behavior in Primitively Social Bees: A Multivariate Analysis. MICHAEL D. BREED 234
Environmental and Genetical Correlates of Disruptive Coloration in the Water Snake, Natrix s. sipedon. ROBERT R. BEATSON 241
Sexual Selection and Resource-Accruing Abilities in Anolis garmani. ROBERT L. TRIVERS 253
Devonian Amphibians: Did They Excrete Carbon Dioxide Via Skin, Gills, or Lungs? GARY C. PACKARD 270
Strains of Neurospora Collected from Nature. DAVID D. PERKINS, BARBARA C. TURNER AND EDWARD G. BARRY 281
Natural Selection and Random Genetic Drift in Phenotypic Evolution. RUSSELL LANDE 314
Consequences of Long-Term Artificial Selection, Inbreeding, and Isolation in Phlox: I. The Evolution of Cross-Incompatibility. DONALD A. LEVIN 335
Genetic Divergence and Morphological Convergence in the Prairie Dogs, Cynomys gunnisoni and Cynomys leucurus I. Morphological and Ecological Analyses. JOHN J. PIZZIMENTI 345
Genetic Divergence and Morphological Convergence in the Prairie Dogs, Cynomys gunnisoni and Cynomys leucurus II. Genetic Analyses. JOHN J. PIZZIMENTI 367
Mortality and Adaptive Mechanisms of Oryza perennis Strains. HIKO-ICHI OKA 380
Notes and Comments
Cruising Speed During Migration of the Striped Mullet (Mugil cephalus L.): An Evolutionary Response to Predation? CHARLES H. PETERSON 393
The Adaptive Significance of Alarm Calls Given by Shorebirds on Their Winter Feeding Grounds. N. W. OWENS AND J. D. GOSS-CUSTARD 397
Book Reviews
Haemoglobin, Isoenzymes, and Tissue Differentiation. GREGORY S. WHITT 399
Intersexuality in the Animal Kingdom. ROBERT V. SHORT 402
Vol. 30 September 1976 No. 3
CONTENTS
Outcrossing in Natural Populations. V. Analysis of Outcrossing, Inbreeding, and Selection in Clarkia exiles and Clarkia tembloriensis. FRANK C. VASEK AND JAMES HARDING 403
Multivariate Analysis of the Introgressive Replacement of Clarkia nitens by Clarkia speciosa polyantha (Onagraceae). WILLIAM L. BLOOM 412
Maintenance of Males and Females in Hermaphrodite Populations and the Evolution of Dioecy. M. D. ROSS AND B. S. WEIR 425
Breeding System Polymorphism in a Heterostylous Species. STEPHEN G. WELLER 442
Cytogenetics and Affinities of Vernonia (Compositae) from the Mexican Highlands and Eastern North America. SAMUEL B. JONES, JR - 455
Consequences of Long-Term Artificial Selection, Inbreeding and Isolation in Phlox. II. The Organization of Allozymic Variability. DONALD A. LEVIN 463
Genic Divergence and Local Population Differentiation by Random Drift in the Pocket Gopher Genus Geomys. DAN F. PENNEY AND EARL G. ZIMMERMAN 473
Population Genetics and Evolutionary Biology of the Cave Beetle Ptomaphagus hirtus. C. LAING, G. R. CARMODY AND S. B. PECK 484
Climatic Selection in Cepea hortensis at the Northern Limit of Its Range in Iceland. EINAR ARNASON AND P. R. GRANT 499
Selection at Two Levels in Hybrid Populations of Musca domestica. ROBERT R. SOKAL AND CHARLES E. TAYLOR 509
Heterosis Overdominance and Frequency-Dependent Selection in Drosophila melanogaster at the Sepia locus. D. ANXOLABEHERE 523
Ecology and Evolution of the Pitcher-Plant Mosquito. 2. The Substructure of Fitness. CONRAD A. ISTOCK, JAMES ZISFEIN AND KAREN J. VAVRA 535
Ecology and Evolution of the Pitcher-Plant Mosquito. 3. Resource Tracking by a Natural Population. CONRAD A. ISTOCK, KAREN J. VAVRA AND HAROLD ZIMMER 548
Multivariate Allometry and Australopithecine Variation. ROBERT S. CORRUCCINI 558
Components of Fitness in the Unisexual Fish Poeciliopsis monacha-occidentalis. WILLIAM S. MOORE 564
Evolution of the Migration Response: Emigration by Tribolium and the Influence of Age. JAMES R. ZIEGLER 579
Chromosomal Variation in the Plains Woodrat: Geographical Distribution of Three Chromosomal Morphs. JERRY W. WARNER 593
Size and Environmental Predictability for Salamanders. VIRGINIA C. MAIORANA 599
Sexual Selection in Nothobranchius guentheri (Pisces: Cyprinodontidae). RICHARD HAAS 614
Notes and Comments
Why Male-Haploid and Sex-Linked Genetic Systems Seem to Have Unusually Sex-Limited Mutational Genetic Loads. R. H. CROZIER 623
Isolation between Aquilegia formosa and A. pubescens: A Reply and Reconsideration. VERNE GRANT 625
Book Reviews
Fiddler Crabs of the World. GARY W. HYATT 629
The Phylogeny and Systematic Position of Pogonophora. ROBERT B. WILLEY 632
The Ecological Genetics of Forest Trees. S. K. JAIN 634
Application for Membership 636
Vol. 30 December 1970 No. 4
CONTENTS
Rates of Evolution in Conifers (Pinaceae). ELLEN M. PRAGER, DONALD P. FOWLER, AND ALLAN C. WILSON 637
The Ecological Context of Female Pattern Polymorphism in the Lizard Anolis sagrei. THOMAS W. SCHOENER AND AMY SCHOENER 650
The Nature of Niche Expansion in West Indian Anolis Lizards I: Ecological Consequences of Reduced Competition. BRADFORD C. LISTER 659
The Nature of Niche Expansion in West Indian Anolis Lizards II: Evolutionary Components. BRADFORD C. LISTER 677
Patterns of Mating in Natural Populations of Xiphophorus (Pisces: Poeciliidae). I: X. maculatus from Belize and Mexico. RICHARD BOROWSKY AND KLAUS D. KALLMAN 693
Social Facilitation of Male Sexual Behavior, Intrasexual Competition, and Sexual Selection in the Guppy, Poecilia reticulata (Pisces: Poeciliidae). JAMES A. FARR 707
Functional Aspects of the Evolution of Frog Tongues. PHLLIP J. REGAL AND CARL GANS 718
Presence of the Hereditary Rhabdovirus Sigma and Polymorphism for a Gene for Resistance to this Virus in Natural Populations of Drosophila melanogaster. A. FLEURIET 735
Ethological Isolation and Phylogeny in the Planitibia subgroup of Hawaiian Drosophila. KENNETH Y. KANESHIRO 740
Genetic Differentiation within the Andean Semispecies of Drosophila paulistorum. ROLLIN C. RICHMOND AND THEODOSIUS DOBZHANSKY 746
The Evolutionary Strategy of the Equidae and the Origins of Rumen and Cecal Digestion. CHRISTINE JANIS 757
Parental Investment and Offspring Fitness in the Terrestrial Isopod Armadillidium vulgare (Latr.) (Crustacea: Oniscoidea). LAWRENCE R. LAWLOR 775
Sympatry of Periodical Cicada Broods and the Hypothetical Four-Year Acceleration. MONTE LLOYD AND JO ANN WHITE 786
Allozymic and Morphological Variation in Population Samples of Rufous-Collared Sparrow, Zonotrichia capensis, in Relation to Vocal Dialects. PAUL HANDFORD AND FERNANDO NOTTEBOHM 802
Genetic and Biochemical Consequences of Polyploidy in Tragopogon. M. L. ROOSE AND L. D. GOTTLIEB 818
Hybridization and Speciation in Fossorial Mole Rats. EVIATAR NEVO AND HANA BAR-EL 831
Color Variation and Bisexual Muellerian Mimicry, in an Aposematic Insect. LARRY G. MASON 841
Notes and Comments
Reproductive Character Displacement in Threespine Sticklebacks. MICHAEL A. BELL 847
Mating-Call Structure in a Hybrid Population of the Geocrinia laevis Complex (Anura: Leptodactylidae) over a Seven-Year Period. M. J. LITTLEJOHN AND G. F. WATSON 848
Correlations between Some Measures of Genetic Distance. RANAJIT CHAKRABORTY AND YOSHIO TATENO 851
A Possible Case of Mimicry in Larger Mammals. RANDALL L. EATON 853
Book Review
Evolutionary Concepts in the Study of Ecological Systems. WILLIAM J. PLATT 857
Memorial to Ralph Gordon Johnson 706
Application for Membership 745
Announcements 785, 840, 846
Erratum 817
Reviewers of Manuscripts 859
Subject Index to Volume 30 860
Vol. 31 March 1977 No. 1
CONTENTS
Chromosomal Divergence and Speciation in Two Families of North American Fishes. JOHN C. AVISE AND JOHN R. GOLD 1
Genetic Divergence in Closely Related Sibling Species Drosophila pseudoobscura, Drosophila persimilis and Drosophila miranda. SATYA PRAKASH 14
Genetic Homogeneity and Speciation in the Parthenogenetic Lizards Cnemidophorus velox and C. neomexicanus: Evidence from Intraspecific Histocompatibility. ORLANDO CUELLAR 24
Pollen-Ovule Ratios: A Conservative Indicator of Breeding Systems in Flowering Plants. ROBERT WILLIAM CRUDEN 32
Cryptic Self-Incompatibility in Amsinckia grandiflora. STEPHEN G. WELLER AND ROBERT ORNDUFF 47
The Reproductive Biology of Cupania guatemalensis Radlk. (Sapindaceae). K. S. BAWA 52
Spatial Relationships between Staminate and Pistillate Plants of Dioecious Tropical Forest Trees. K. S. BAWA AND P. A. OPLER 64
Host-Parasite Resemblance in Australian Mistletoes: The Case for Cryptic Mimicry. BRYAN A. BARLOW AND DELBERT WIENS 69
A General Model to Account for Enzyme Variation in Natural Populations. III Multiple Alleles. JOHN H. GILLESPIE 85
Electrophoretic Analysis of Evolutionary Relationships in Tetrahymena. D. BORDEN, E. T. MILLER, G. S. WHITT AND D. L. NANNEY 91
Temporal Variation in the Relationship between Size, Numbers, and an Allele-Frequency in a Population of Mytilus edulis. ROGER MILKMAN AND RICHARD K. KOEHN 103
Genetic Variation and Reproductive Isolation in Partula. MICHAEL S. JOHNSON, BRYAN CLARKE AND JAMES MURRAY 116
Allozyme, SI Gene, Cytological, and Morphological Polymorphisms in a Population of Oenothera biennis. ERICH STEINER AND DONALD LEVIN 127
An Experimental Study of Group Selection. MICHAEL J. WADE 134
Anelosimus studiosus (Araneae: Theridiidae) and the Evolution of Quasisociality in Theridiid Spiders. VINCENT BRACH 154
Male Rarity or Novelty, Female Choice Behavior, and Sexual Selection in the Guppy, Poecilia reticulata Peters (Pisces: Poeciliidae). JAMES A. FARR 162
Fighting Behavior of Muntjac and the Evolution of Antlers. CYRILLE BARRETTE 169
The Significance of Lactation in the Evolution of Mammals. CAROLINE M. POND 177
Population Size Fluctuations in the Evolution of Experimental Cultures of Drosophila subobscura. RAMON M. NOGUES 200
Notes and Comments
Observational Learning of Baboons and Avoidance of Mimics: Exploratory Tests. PIERRE JOUVENTIN, GEORGES PASTEUR AND JEAN P. CAMBEFORT 214
Reply to "Sexual Dimorphism in Skates (Rajidae)." JOHN D. MCEACHRAN 219
Variation in Agonistic Behavior between Populations of the Stomatopod, Haptosquilla glyptocercus. ROY L. CALDWELL AND HUGH DINGLE 221
Lek Behavior in Drosophila (Hirtodrosophila) polypori-Malloch-An Australian Rainforest Species. P. A. PARSONS 224
Life History Strategy and Evolutionary History of Tribolium Flour Beetles. PETER S. DAWSON 227
Book Review
Hominid Biological Evolution. ARTHUR E. SPIESS 231
Application for Membership 232
Announcements 13, 84, 113
Vol. 31 June 1977 No. 2
CONTENTS
Life-History Variation in Poa annua. RICHARD LAW, A. D. BRADSHAW, AND P. D. PUTWAIN 233
Genetics of Lupinus. X. Genetic Variability, Heterozygosity and Outcrossing in Colonial Populations of Lupinus succulentus. JAMES HARDING AND KATHLEEN BARNES 247
Translocation Heterozygosity, Genetic Heterozygosity, and Inbreeding in Clarkia speciosa. WILLIAM L. BLOOM 256
The Evolution of Autogamy in Species of the Mustard Genus Leavenworthia. OTTO T. SOLBRIG AND REED C. ROLLINS 265
The Evolutionary Effects of Metalliferous and other Anomalous Soils in South Central Africa. H. WILD AND A. D. BRADSHAW 282
An Example of Sporangial Indehiscence in the Filicopsida. P. J. BROWNSEY 294
Enzyme Variation in Semi-Isolated Populations of the Mountain Fly Chamaemyia herbarum. THOMAS P. SLUSS, E. S. ROCKWOOD-SLUSS, AND F. G. WERNER 302
Genetic Diversity in Cave Dwelling Crickets (Ceuthophilus gracilipes). D. E. COCKLEY, J. L. GOOCH, AND D. P. WESTON 313
Evolution at the A-GPDH Locus in Drosophilidae. SEPPO LAKAVARRO, ANSSI SAURA, AND PETHA LANKINEN 319
Phosphoglucose Isomerase Polymorphism and Natural Selection in the Sand Crab, Emerita talpoida. KENDALL W. CORBIN 331
Detection of the Effects of Selection on Protein Polymorphisms in Natural Populations by Means of a Distance Analysis. RICHARD BOROWSKY 341
Bottleneck Effects on Average Heterozygosity and Genetic Distance with the Stepwise Mutation Model. RANAJIT CHAKRABORTY AND MASATOSHI NEI 347
Genetic and Environmental Correlations of Morphometric Traits in Randombred House Mice. LARRY LEAMY 357
Adaptive Features of Mammalian Reproduction. JOHN S. MILLAR 370
The Lansing Effect Revisited. II. Cumulative and Spontaneously Reversible Parental Age Effects on Fecundity in Drosophila melanogaster. F. A. LINTS AND C. HOSTE 387
General Concepts on the Evolutionary Biology of Parasites. PETER W. PRICE 405
Inhibition of Cannibalism in Cichia ocellaris and Hypothesis of Predator Mimicry among South American Fishes. THOMAS M. ZARET 421
Notes and Comments
What is Frequency-Dependent Selection? MARK H. GROMKO 438
Statistical Tests for Natural Selection on Quantitative Characters. RUSSELL LANDE 442
Extinction, Repopulation, and Population Size in Natural Populations of Ambushbugs. LARRY G. MASON 447
Stabilizing Selection for Size as Related to Mating Fitness in Tetraopes. JOSEPH F. SCHEIRING 447
Dinosaur Haversian Bone and Endothermy. MARIANNE BOUVIER 449
A Suggestion Concerning the Cretaceous Rise to Dominance of the Angiosperms. PETER H. RAVEN 451
The Existence of Mullerian Mimicry. P. M. SHEPPARD AND J. R. G. TURNER 452
On the Supposed Spectrum between Batesian and Mullerian Mimicry. WOODRUFF W. BENSON 454
Book Reviews
Molecular Evolution. ROGER MILKMAN 456
Gamete Competition in Plants and Animals. STEPHEN G. WELLER 457
Chromosome Variations in Human Evolution. DOROTHY A. MILLER 458
Handbook of Genetics. ROLLIN C. RICHMOND 460
Announcements 293, 437, 463
Erratum 318
Application for Membership 464
Vol. 31 September 1977 No. 3
CONTENTS
Allozyme Linkage Disequilibria among Chromosome Complexes in the Permanent Translocation Heterozygote Oenothera biennis. MORRIS LEVY AND P. LOUIS WINTERNHEIMER 465
The Organization of Genetic Variability in Phlox drummondii. DONALD A. LEVIN 477
The Evolution of Inflorescence Size in Asclepias (Asclepiadaceae). MARY F. WILSON AND PETER W. PRICE 495
Maintenance of Polymorphism in an Island Population of the California Vole, Microtus californicus. AYESHA E. GILL 512
Inbreeding Effects Upon Animals Derived from a Wild Population of Mus musculus. CAROL BECKER LYNCH 526
Bergmann's Rule and Variation in Structures Related to Feeding in the Gray Squirrel. RAYMOND J. BARNETT 538
Evolution of Dormancy and its Photoperiodic Control in Pitcher-Plant Mosquitoes. WILLIAM E. BRADSHAW AND L. PHILIP LOUNIBOS 546
Coevolution of Pierid Butterflies and Their Cruciferous Foodplants. II. The Distribution of Eggs on Potential Foodplants. FRANCES S. CHEW 568
Morphometric Adaptation of the Housefly, Musca domestica L., in the United States. EDWIN H. BRYANT 580
Evolutionary Divergence between Two Populations of Drosophila pseudoobscura. MARY ANN MATZKE AND MARVIN DRUGER 597
Evolution of Sex Ratios in the Isopod, Venezillo evergladensis. CLIFFORD JOHNSON 603
Genetic Analysis of the Morphological Differences between Two Interfertile Species of Hawaiian Drosophila. F. C. VAL 611
Analysis of Head Shape Differences between Two Interfertile Species of Hawaiian Drosophila. ALAN R. TEMPLETON 630
Variability and Evolutionary Rates of Characters. MICHAEL S. JOHNSON AND M. F. MICKEVICH 642
Selection Intensity in North American House Sparrows (Passer domesticus). PETER E. LOWTHER 649
Canary Island Blue Tits and English Coal Tits: Convergent Evolution? LINDA PARTRIDGE AND FRANCIS PRING-MILL 657
Frequency-Dependent Choice, Minority Advantages, and Frequency-Dependent Natural Selection. PAUL A. DEBENEDICTIS 666
Communal Care and Kidnapping of Young by Parental Cichlids. KENNETH R. McKAYE AND N. M. McKAYE 674
Do Intertidal Snails Spawn in the Right Places? TOM M. SPIGHT 682
Notes and Comments
Adaptive Flexibility of "Marginal" Versus "Central" Populations of Drosophila willistoni. WALTER J. TABACHNICK AND JEFFREY R. POWELL 692
Why 300 Species of Hawaiian Drosophila? The Sexual Selection Hypothesis. JOHN M. RINGO 695
Memorial To I. M. Lerner 656
Application for Membership 691
Announcements 596, 610
Errata 648
Vol. 3 December 1977 No. 4
CONTENTS
Genetic Variation in Thomomys bottae Pocket Gophers: Macrogeographic Patterns. JAMES L. PATTON AND SUH Y. YANG 697
Evolutionary Aspects of Mating Call Variation in a Diploid-Tetraploid Species Complex
of Treefrogs (Anura). DENNIS B. RALIN 721
A Darwinian Interpretation of Hindlimb Variability in Frog Populations. STANLEY N. SALTHE AND MARTHA L. CRUMP 737
Reproductive Success and the Evolution of Breeding Territories in Pupfish (Cyprinodon). ASTRID KODRIC-BROWN 750
Variation and Heterozygosity in Sexually Versus Clonally Reproducing Populations of Poeciliopsis. ROBERT C. VRIJENHOEK, ROBERT A. ANGUS, AND R. JACK SCHULTZ 767
Biological Variability in the Parthenogenetic Grasshopper Warramaba virgo (Key) and its Sexual Relatives. I. The Eastern Australian Populations. WILLIAM R. ATCHLEY 782
Selection for Amylase Allozymes in Drosophila melanogaster. D. A. HICKEY 800
Population Genetics in the American Tropics. X. Genetic Load Differences in Drosophila willistoni from Columbia. H. F. HOENIGSBERG, J. J. PALOMINO, M. J. HAYES, I. Z. ZANDSTRA, AND G. G. ROJAS 805
Character Displacement for Sexual Isolation Between Drosophila mojavensis and Drosophila arizonensis. MARVIN WASSERMAN AND H. ROBERTA KOEPFER 812
Mutual Facilitation Between Larvae of the Sibling Species Drosophila melanogaster and D. simulans. M. BOS, B. BURNET, R. FARROW, AND R. A. WOODS 824
Olfactory Cues as a Factor in Frequency-Dependent Mate Selection in Mormoniella vitripennis. HARRY C. WHITE AND BRUCE GRANT 829
Genetic Diversity in Colonizing Parthenogenetic Cockroaches. E. DAVIS PARKER, JR., ROBERT K. SELANDER, ROBERT O. HUDSON, AND L. J. LESTER 836
On the Structure of Fitness Estimates Under Post-Observational Selection. FREDDY BUGGE CHRISTANSEN, JORGEN BUNDGAARD, AND J. S. F. BARKER 843
Evolution of Insect Life Histories and Host Plant Chemistry: Hispine Beetles on Heliconia. DONALD R. STRONG, AND MICHAEL D. WANG 854
Temporal Dioecism: An Alternative to Dioecism? ROBERT WILLIAM CRUDEN AND SHARON MARIE HERMANN-PARKER 863
Sex Ratio in the Tropical Tree Triplaris americana (Polygonaceae). MICHAEL N. MELAMPY AND HENRY F. HOWE 867
Natural Selection for a Fruit Dimorphism in Plectritis congestra (Valerianaceae). FRED R. GANDERS, KEN CAREY, AND A. J. F. GRIFFITHS 873
Lifespan and Fecundity Patterns in Rotifers: The Cost of Reproduction. TERRY W. SNELL AND CHARLES E. KING 882
A Reappraisal of the Aquatic Specializations of the Galapagos Marine Iguana (Amblyrhynchus cristatus). WILLIAM R. DAWSON, GEORGE A. BARTHOLOMEW, AND ALBERT F. BENNETT 891
Notes and Comments
Biological Aspects of the Marsupial-Placental Dichotomy: A Reply to Lillegraven. JOHN A. W. KIRSCH 898
Genetics of Dacus oleae. VIII. Selection for the Amount of Acetylcholinesterase After Organophosphate Treatment. SPYROS C. TSAKAS 901
The Social Significance of Avian Winter Plumage Variability: A Comment. WILLIAM M. SHIELDS 905
Chimpanzee Predation as a Possible Factor in the Evolution of Red Colobus Monkey Social Organization. CURT D. BUSSE 907
Book Reviews
Evolution of Cytoplasmic Inheritance. DENNIS NYBERG 911
An Almost Comprehensive Survey of Evolution. ERNST MAYR 912
Population Genetics and Ecology. JOSEPH FELSENSTEIN 916
Announcement 736
Application for Membership 920
Reviewers of Manuscripts 921
Subject Index to Volume 31 923
Vol. 32 March 1978 No. 1
CONTENTS
Genetic Variation in Isolated Populations of the Australian Bush-Rat, Rattus fuscipes. LINCOLN H. SCHMITT 1
Selection at Electrophoretic Loci for Reproductive Parameters in Island and Mainland Voles. PETER H. KOHN AND ROBERT H. TAMARIN 15
Island Area and Body Size of Insular Mammals; Evidence from the Tri-Colored Squirrel (Callosciurus prevosti) of Southwest Asia. LAWRENCE R. HEANEY 29
On the Evolution of Litter Size in Peromyscus leucopus. THEODORE H. FLEMING AND ROBERT J. RAUSCHER 45
Evolution on Wild Sheep in Iran. RAUL VALDEZ, C. F. NADLER, AND T. D. BUNCH 56
Evolutionary Mechanisms of Limb Loss in Tetrapods. RUSSELL LANDE 73
Genetic Differentiation in Salamanders of the Desmognathus ochrophaeus Complex (Plethodontidae). STEPHEN G. TILLEY, ROBERT B. MERRITT, BARBARA WU, AND RICHARD HIGHTON 93
Genic Variability in the Longnose Dace, Rhinickthys cataractae. ROBERT B. MERRITT, JEAN F. ROGERS, AND BRENDA J. KURZ 116
Selection for Tryptophan Auxotrophs of Escherichia coli in Glucose-Limited Chemostats as a Test of the Energy Conservation Hypothesis of Evolution. DANIEL DYKHUIZEN 125
The Competitive Relationship of Three Woodland Sedges and its Bearing on the Evolution of Ant-Dispersal of Carex pedunculata. STEVEN N. HANDEL 151
Genetic Polymorphism and Phylogeny of Drosophila subobscura. DRAGOSLAV MARINKOVIC, FRANCISCO J. AYALA, AND MARKO ANDJELKOVIC 164
The Evolution of Gynodioecy and Subdioecy. M. D. ROSS 174
Pollinator Constancy as a Pre-Pollination Isolating Mechanism Between Sympatric Species of Cercidium. C. EUGENE JONES 189
Genetic Differentiation Between Species of the Genus Speyeria (Lepidoptera: Nymphalidae). JOHN G. BRITTNACHER, STEVEN R. SIMS, AND FRANCISCO J. AYALA 199
Notes and Comments
Thermal Relations and Natural Selection by Climate. J. S. JONES 211
Directional Reduction of Lactate Dehydrogenase Isozymes in Teleosts. S. A. TOLEDO Fo AND A. F. RIBEIRO 212
A Note on Gillespie's Model of Enzyme Variation in Natural Populations. S. D. TULJAPURKAR 216
Book Reviews
Sex and Development in Mitochondria and Chloroplasts. LYNN MARGULIS 218
The Selfish Gene. MICHAEL J. WADE 220
Morphology and Biology of Reptiles. MALCOLM JOLLIE 221
Evolution of Brain and Behavior. RALPH L. HOLLOWAY 223
Protein Structure and Evolution. WALTER M. FITCH 225
Agricultural Applications of Angiosperm Reproductive Biology. STEPHEN G. WELLER 227
Problems in Vertebrate Evolution. MALCOLM JOLLIE 229
Application for Membership 232
Announcements 150, 188
Erratum 92
Vol. 32 June 1978 No. 2
CONTENTS
The Origin of Tripsacoid Maize (Zea mays L.). J. M. J. DE WET, J. R. HARLAN, H. T. STALKER AND A. V. RANDRIANASOLO 233
Genetic Variation in Annual Phlox: Self-Compatible Versus Self-Incompatible Species. DONALD A. LEVIN 245
Sexual Selection in Toads: The Roles of Female Choice and Male Body Size. HENRY M. WILBUR, DANIEL I. RUBENSTEIN AND LINCOLN FAIRCHILD 264
Population Subdivision and Genetic Divergence in the Red-Bellied Newt, Taricha rivularis. DENNIS HEDGECOCK 271
Correlations of Quantitative Parameters of Fecundity in Amphibians. MITSURU KURAMOTO 287
The Evolutionary Significance of Delayed Emergence from the Nest by Hatchling Turtles. J. WHITFIELD GIBBONS AND DAVID H. NELSON 297
Selective Predation of Threespine Sticklebacks (Gasterosteus aculeatus) by Garter Snakes. MICHAEL A. BELL AND THOMAS R. HAGLUND 304
Reproductive Adaptations among Viviparous Fishes (Cyprinodontiformes: Poeciliidae). ROGER E. THIBAULT AND R. JACK SCHULTZ 320
Chromosomal Homology and Divergence between Sibling Species of Deer Mice: Peromyscus maniculatus and P. melanotis (Rodentia, Cricetidae). IRA F. GREENBAUM, ROBERT J. BAKER AND J. HOYT BOWERS 334
Genetic Variation Associated with Growth Rate in the American Oyster (Crassostrea virginica). S. M. SINGH AND E. ZOUROS 342
Genetic Evidence for Naturally Occurring Hybrids between Mytilus edulis and Mytilus galloprovincialis. D. O. F. SKIBINSKI, MAHMUD AHMAD AND J. A. BEARDMORE 354
Phenotypes and Genotypes in Cladoceran Populations. B. JEAN MANNING, W. CHARLES KERFOOT AND EDWARD M. BERGER 365
Biological Variability in the Parthenogenetic Grasshopped Warramaba virgo (Key) and its Sexual Relatives. II. The Western Australian Taxa. WILLIAM R. ATCHLEY 375
A Multivariate Analysis of Behavioral Divergence among Closely Related Species of Endemic Hawaiian Drosophila. J. M. RINGO AND R. J. HODOSH 389
Demographic and Genetic Responses of Two Strains of Tribolium castaneum to a Novel Environment. DAVID E. McCAULEY 398
Mating Pattern and Mating Success of Drosophila pseudoobscura Karyotypes in Large Experimental Populations. WYATT W. ANDERSON AND PATRICIA R. McGUIRE 416
On the Maintenance of Stability in Hindwing Diversity among Moths of the Genus Catocala (Lepidoptera: Noctuidae). THEODORE D. SARGENT 424
Courtship Patterns and Evolution of the Drosophila adiastola and planitibia Species Subgroups. HERMAN T. SPIETH 435
Notes and Comments
Density Dependent Foraging on Liatris pycnostachya. BARBARA A. SCHAAL 452
Evolutionary Transition from Ammonite Subprionocyclus to Reesidites-Punctuated or Gradual? PHILIP D. GINGERICH 454
Why are There Inbreeding Effects in Haplo-Diploid Systems? DOROTHEA BRUCKNER 456
Vertebrate Air Breathing Arose in Fresh Waters and Not in the Oceans. JEFFREY B. GRAHAM, RICHARD H. ROSENBLATT AND CARL GANS 459
Application for Membership 464
Announcement 319
Vol. 32 September 1978 No. 3
CONTENTS
The Founder-Flush Speciation Theory: An Experimental Approach. JEFFREY R. POWELL 465
Evolution in Hawaiian Drosophilidae, III. The Microchromosome and Heterochromatin of Drosophila. JONG SIK YOON AND R. R. RICHARDSON 475
Ethological Isolation and Phylogeny in the Grimshawi Species Complex of Hawaiian Drosophila. ALAN T. OHTA 485
Resource Partitioning in Passion Vine Butterflies. WOODRUFF W. BENSON 493
Reproductive Compensation in Tiibolium castaneum. JOHN F. BOYER 519
Genetic Differentiation, Albumin Evolution, and Their Biogeographic Implications in Plethodontid Salamanders
of California and Southern Europe. DAVID B. WAKE, LINDA R. MAXSON, AND GLORIA Z. WURST 529
Courtship and Mating Sounds in Species of the Drosophila affinis Subgroup. HO-CHI CHANG AND DWIGHT D. MILLER 540
Allometry and jumping in Frogs: Helping the Twain to Meet. SHARON B. EMERSON 551
The Genetics of Speciation in the Rodent Genus Peromyscus. EARL G. ZIMMERMAN, C. WILLIAM KILPATRICK, AND B. J. HART 565
Developmental Stability in Species Hybrid and Backcross Progenies of Drosophila, ANAND P. GUPTA 580
Sperm Competition, Male Fitness, and Repeated Mating by Female Drosophila melanogaster. MARK H. GROMKO AND DONALD W. PYLE 588
Experimental Hybridization between the Nymphalid Butterflies Phyciodes tharos and P. campestris montana. CHARLES G. OLIVER 594
Analysis of a Narrow Hybrid Zone between Two Species of Pseudophryne (Anura: Leptodactylidae) in South-Eastern Australia. L. J. McDONNELL, D. F. GARTSIDE, AND M. J. LITTLEJOHN 602
Ecological and Evolutionary Relationships among Diploid and Triploid Unisexual Fishes Associated with the Bisexual Species, Poeciliopsis lucida (Cyprinodontiformes: Poeciliidae). ROGER E. THIBAULT 613
Genetic Differentiation without Isolation in the American Eel, Anguilla rostrata. II. Temporal Stability of Geographic Patterns. RICHARD K. KOEHN AND GEORGE C. WILLIAMS 624
Intra-Population Differentiation in Annual Plants, II. Electrophoretic Variation in Veronica peregrina. KATHLEEN H. KEELER 638
Chromosomal Evolution and the Mode of Speciation in Three Species of Peromyscus. IRA F. GREENBAUM, ROBERT J. BAKER, AND PAUL R. RAMSEY 646
The Evolution of Parental Care in Birds. A. AR AND YOM-TOV 655
Notes and Comments
Reply to Shields on Avian Winter Plumage Variability. SIEVERT ROHWER 670
Why are Pistillate Inflorescences of Simarouba glauca Eaten Less than Staminate Inflorescences? K. W. BAWA AND PAUL A. OPLER 673
Resource Predictability and Niche Breadth in the Drosophila quinaria Species Group. JOHN JAENIKE 676
Genetic Variability in the Kentucky Cave Beetle Neaphaenops tellkampfii (Coleoptera: Carabidae). STEVEN GIUSEFFI, THOMAS C. KANE, AND WILLIAM F. DUGGLEBY 679
Genetic Variation among Typha Populations of the Southwestern United States. SUSAN J. MASHBURN. REBECCA R. SHARITZ, AND MICHAEL H. SMITH 681
Books Reviews
Evolutionary Changes to the Primate Skull and Dentition. ALBERT P. SANTA LUCA 686
Geographic Variation, Speciation, and Clines. PHILIP W. HEDRICK 687
A Further Step in Evolving Ideas on Population Genetics. WILLIAM J. SCHULL 689
Grasshoppers and Locusts. ROBERT B. WILLEY 690
Plant Population Biology at the Crossroads. STEPHEN G. WELLER 691
Molecular Anthropology. THOMAS J. WHITE AND ALLAN C. WILSON 693
Annoucements 474, 601, 645, 696
Special Notice 550
Application for Membership 695
Vol. 32 December 1978 No. 4
CONTENTS
Dominance, Survival, and Enzyme Polymorphism in Dark eyed juncos, Junco hyemalis. MYRON CHARLES BAKER AND STANLEY F. FOX 697
Song Dialects as Barriers to Dispersal in White-Crowned Sparrows, Zonotrichia leucophrys Nuttalli. MYRON CHARLES BAKER AND L. RICHARD MEWALDT 712
Temporal Patterns of Allozymic Variation in Fluctuating Populations of Microtus ochrogaster. MICHAEL S. GAINES, LEROY R. McCLENAGHAN JR., AND ROBERT K. ROSE 723
Relative Brain Size and Feeding Strategies in the Chiroptera. JOHN F. EISENBERG AND DON E. WILSON 740
Primate Skeletal Allometry and Hominoid Evolution. ROBERT S. CORRUCCINI 752
Comparative Morphometric Adaptation of the Housefly and the Face Fly in the United States. EDWIN H. BRYANT AND CARL R. TURNER 759 Female Choice and the Mating Structure of a Natural Population of the Soldier Beetle, Chauliognathus pennsylvanicus. DAVID E. MCCAULEY AND MICHAEL J. WADE 771
Thermoregulatory Adaptations Allowing Ecological Range Expansion by the Pierid Butterfly, Nathalis iole Boisduval. MATTHEW M. DOUGLAS AND JOHN W. GRULA 776
An Analysis of Genetic Structure in the Monarch Butterfly, Danaus plexippus L. WALTER F. EANES AND RICHARD K. KOEHN 784
Genetic Differentiation in two Members of the Drosophila athabasca Complex. DIANA L. E. JOHNSON 798
Sex Ratios in Tropical Forest Trees. P. A. OPLER AND K. S. BAWA 812
Biology of Ecologically Marginal Populations of Anthoxantham odoratum. I. Phenetics and Dynamics. MICHAEL C. GRANT AND JANIS ANTONOVICS 822
Effective Population Size and Interdemic Migration Rates in a Metapopulation of the Red-Spotted Newt, Notophthalmus viridescens (Rafinesque). DOUGLAS E. GILL. 839
The Evolution of Mating Strategies in Bullfrogs, Rana catesbeiana. RICHARD D. HOWARD 850
The Handicap Principle in Sexual Selection. GRAHAM BELL 872
The Tailspot Polymorphism of Xiphophorus (Pisces: Pocciliidae). RICHARD BOROWSKY 886
The Evolution and Loss of Feeding Larval Stages of Marine Invertebrates. RICHARD R. STRATHMANN 894
Progressive Vacating of Adaptive Types, During the Phanerozoic. RICHARD R. STRATHMANN 907
Notes and Comments
Frequency-Dependent Selection: What is the Problem? PAUL DEBENEDICTIS 915
Laboratory Synthesis of a Pseudogamous Triploid "Species" of the Genus Muellerianella (Homoptera, Delphacidae). SAKIS DROSOPOULOS 916
Selection for Amylase Allozymes in D. melanogaster: A Word of Caution. DARREL G. YARDLEY 921
Modifiers and "Sex Ratio" in Drosophila pseudoobscura. DAVID POLICANSKY AND BRIAN DEMPSEY 922
Book Reviews
Chromosomes and Species Formation. HAMPTON L. CARSON 925
An Introduction to Evolutionary Theory. JAY M. SAVAGE 927
Major Patter in Vertebrate Evolution. RICHARD WASSERSUG 928
Population Ecological Models. DAVID B. MERTZ 930
Editor's Note 932
Changes in Journal Policies 936
New Editorial Board 1979 936
Announcements 722, 758, 811
Application for Membership 838
Reviewers of Manuscripts 933
Subject Index to Volume 32 935
Vol. 33 March 1979 No. 1 (Part 1)
CONTENTS
Biochemical and Cytological Differentiation among Cichlid Fishes of the Sea of Galilee. I. L. KORNFIELD, U. RITTE, C. RICHLER, AND J. WAHRMAN 1
Population Structure of Freshwater Fishes I. Genetic Variation of Bluegill (Lepomis macrochirus) Populations in Man-Made Reservoirs. JOHN C. AVISE AND JAMES FELLEY 15
Clonal Diversity in the Unisexual Fish Poeciliopis monacha-lucida: A Tissue Graft Analysis. ROBERT A. ANGUS AND R. JACK SCHULTZ 27
Evolutionary Aspects of Parental Care in the Common Grackle, Quiscalus quiscula L. HENRY F. HOWE 41
Floral Display in Phlox and Geranium: Adaptive Aspects. MARY F. WILLSON, LINDA J. MILLER, AND BEVERLY J. RATHCKE 52
A Geographical Analysis of Quantitative Morphological Variation in the Grasshopper Arphia conspersa. WAYNE E. SCHENNUM AND ROBERT B. WILLEY 64
Cytogenetics of the Parthenogenetic Grasshopper Warramaba (formerly Moraba) virgo and its Bisexual Relatives. V. Interaction of W. virgo and a Bisexual Species in Geographic Contact. M. J. D. WHITE AND N. CONTRERAS 85
Studies on Food Size as a Selection Pressure on Body Size. I. Effects of Food Size on Fitness of Two Size Strains of Acheta domesticus L. PATRICIA S. TENNIS, JOSEPH F. KOONCE, AND MITSUO TERAGUCHI 95
Reproductive Character Displacement in Calopteryx (Odonata: Calopterygidae). JONATHAN K. WAAGE 104
Evolution of the Sting Apparatus in the Myrmicine Ants. CHARLES KUGLER 117
Resistance of the Sibling Species Drosophila melanogaster and Drosophila simulans to High Temperatures in Relation to Humidity: Evolutionary Implications. PETER A. PARSONS 131
Genetic Variation in Hawaiian Drosophila. V. Chromosomal and Allozymic Diversity in Drosophila silvestris and its Homosequential Species. ELYSSE M. CRADDOCK AND WALTER E. JOHNSON 137
The Drosophila of Southern California. I. Colonization After a Fire. JOHN A. MOORE, CHARLES E. TAYLOR, AND BETTY C. MOORE 156
Mating Patterns and Speciation in the Fairy Shrimp Genus Streptocephalus. FRED H. WIMAN 172
Behavioral and Biochemical Evidence for Species Distinctiveness in the Fiddler Crabs, Uca speciosa and U. spinicarpa. MICHAEL SALMON, STEPHEN D. FERRIS, DAVID JOHNSTON, GARY HYATT, AND GREGORY S. WHITT 182
The Relation of Genetic Structure to Environmental Structure: Gammarus minus in a Karst Area. JAMES L. GOOCH AND STEVEN W. HETRICK 192
Competitive Hierarchics in Laboratory Drosophila. D. GOODMAN 207
Evolutionary, Implications of Chromosomal Homology, in Four Genera of Stenodermine Bats (Phyllostomatidae: Chiroptera). ROBERT J. BAKER, REBECCA A. BASS, AND M. ANETTE JOHNSON 220
Momentarily Excessive Construction as the Basis for Protoadaptation. CARL GANS 227
Effective Deme Sizes During Long-Term Evolution Estimated from Rates of Chromosomal Rearrangement. RUSSELL LANDE 234
Notes and Comments
Self-Fertilization: Advantageous or Deleterious? HARRINGTON WELLS 252
Erratum 51
Announcement of the Annual Meeting of the Society 94
Application for Membership 256
Vol. 33 March 1979 No. 1 (Part 2)
CONTENTS
Evolution of the Richness-area Correlation for Cynipid Gall Wasps on Oak Trees: A Comparison of Two Geographic Areas. HOWARD V. CORNELL AND JAN O. WASHBURN 257
Batesian Mimicry: Field Demonstration of the Survival Value of Pipevine Swallowtail and Monarch Color Patterns. M. R. JEFFORDS, J. G. STERNBURG, AND G. P. WALDBAUER 275
Genetic Distinctness of Svmpatric Forms of Aedes aegypti in East Africa. WALTER J. TABACHNICK, LEONARD E. MUNSTERMANN, AND JEFFREY R. POWELL 287
Cytogenetics and Evolution of Simulium ornatipes Skuse (Diptera: Simuliidae). II. Temporal Variation in Chromosomal Polymorphisms and Homosequential Sibling Species. D. G. BEDO 296
Cytogenetics and Evolution of Simulium ornatipes Skuse (Diptera: Simuliidae). III. Geographic Variation of Chromosomal Polymorphisms and Species Divergence. D. G. BEDO 309
Parental Manipulation, Kin Selection, and the Evolution of Altruism. ROBIN CRAIG 319
Relatedness in the Polygynous Ant Myrmecia pilosula. R. CRAIG AND R. H. CROZIER 335
Aldehyde Oxidase Allozymes, Inversions and DDT Resistance in Some Laboratory Populations of Drosophila melanogaster. C. C. LAURIE-AHLBERG AND D. J. MERRELL 342
Genetic Capacity for Adaptation to Cold Resistance at Different Developmental Stages of Drosophila melanogaster. NIKOLA TUCIC 350
Average Fitness of Populations of Drosophila melanogaster as Estimated Using Compound-Autosome Strains. HANS JUNGEN AND D. L. HARTL 359
Estimation of Average Fitness of Populations of Drosophila melanogaster and the Evolution of Fitness in Experimental Populations. D. L. HARTL AND HANS JUNGEN 371
Population Genetics of Mexican Drosophila VI. Cytogenetic Aspects of the Inversion Poly morphism in Drosophila pseudoobscura. O. OLVERA, J. R. POWELL, M. DE LA ROSA, V. M. SALCEDA, M. I. GASO, J. GUZMAN, W. W. ANDERSON, AND L. LEVINE 381
Heterozygosity and Developmental Stability: Another Look. MICHAEL E. SOULE 396
Quantitative Genetic Analysis of Multivariate Evolution, Applied to Brain: Body Size Allometry. RUSSELL LANDE 402
The Adaptive Demography of Four Freshwater Pulmonate Snails. KENNETH M. BROWN 417
"Protovipers" and the Evolution of Snake Fangs. KENNETH V. KARDONG 433
New Statistical Methods for Allometry with Application to Florida Red-winged Blackbirds. JAMES E. MOSIMANN AND FRANCES C. JAMES 444
Heritability of Some Morphological Characters in a Song Sparrow Population. JAMES N. M. SMITH AND RETO ZACH 460
Species-Area Relations of Birds on Small Islands in a Minnesota Lake. KURT A. RUSTERHOLZ AND ROBERT W. HOWE 468
Genetics of Speciation in Lake Whitefishes in the Allegash Basin. MARK KIRKPATRICK AND ROBERT K. SELANDER 478
The Evolution and Breakdown of Tristyly. DEBORAH CHARLESWORTH 486
The Evolutionary Breakdown of Tristyly in Eichhornia crassipes (Mart.) Solms (Water Hyacinth). SPENCER C. H. BARRETT 499
Notes and Comments
Convergent Evolution Between Phyla: A Test Case of Mimicry Between Caddisfly Larvae (Helicopsyche borealis) and Aquatic Snails (Physa integra). JOEL BERGER AND JERRY KASTER 511
Once Again, Why 300 Species of Hawaiian Drosophila? ALAN R. TEMPLETON 513
A Comment on Vegetative and Seed Reproduction in Plants. WARREN G. ABRAHAMSON 513
Reply to W. G. Abrahamson. RICHARD LAW, A. D. BRADSHAW, AND P. D. PUTWAIN 519
Application for Membership 286
Announcement 395
Vol. 33 June 1979 No. 2
CONTENTS
Influence of Microhabitat Heterogeneity on Gene Frequency Distribution and Gametic Phase Disequilibrium in Avena barbata. J. L. HAMRICK AND L. R. HOLDEN 521
Protein Polymorphism in the Narrow Endemic Oenothera organensis. DONALD A. LEVIN, KREHE RITTER AND NORMAN C. ELLSTRAND 534
Genetic Variation in Hawaiian Drosophila Vl. Seasonally-dependent Gene Changes in Drosophila mimica. WILLIAM W. M. STEINER 543
The Population Structure of an Asexual Vertebrate, Poeciliopsis 2 monacha-lucida (Pisces: Pocciliidae). WILLIAM S. MOORE AND A. BRADLEY EISENBREY 563
Genetic Drift in Small Populations of Tribolium. S. S. RICH, A. E. BELL AND S. P. WILSON 579
Evolutionary Changes in Egg-Eating Behavior of Flour Beetles in Mixed-Species Populations. PETER S. DAWSON 585
Evolutionary Genetics of Diploid-Tetraploid Species of Treefrogs of the Genus Hyla. DENNIS B. BALIN AND ROBERT K. SELANDER 595
Countergradient Selection in the Green Frog, Rana clamitans. KEITH A. BERVEN, DOUGLAS E. GILL AND SANDRA J. SMITH-GILL 609
Genic Changes Associated with the Establishment of Sympatry, in Orioles of the Genus Icterus. KENDALL W. CORBIN, CHARLES G. SIBLEY AND ANDREW FERGUSON 624
Frequency-Dependent Mating in a Modified Allozyme Locus of Drosophila pseudoobscura. ANTONIO FONTDEVILA AND JOSEFINA MENDEZ 634
Polymorphism for Breeding Colors in Gasterosteus aculeatus. I. Their Genetics and Geographic Distribution. D. W. HAGEN AND G. E. E. MOODIE 641
Sexual Selection and BodN Size in Male Red-Winged Blackbirds. WILLIAM A. SEARCY 649
Breeding Systems and the Evolution of Dioecy in New Zealand Apioid Umbelliferae. C. J. WEBB 662
Sex Differences and Flowering Phenology in the Common Fig, Ficus carica L. GEORGES VALDEYRON AND DAVID G. LLOYD 673
Shell Architecture and Causes of Death of Micronesian Reef Snails. GEERAT J. VERMEIJ 686
Fish Predation and the Evolution of Gastropod Shell Sculpture: Experimental and Geographic Evidence. A. RICHARD PALMER 697
The Morphology of a "Hybrid Zone" in Cerion: Variation, Clines, and an Ontogenctic Relationship Between two "Species" in Cuba. LYNNE GALLER AND STEPHEN JAY GOULD 714
Reproductive Isolation in Sympatric Species of Dayflying Moths (Hemileuca: Saturniidae). MICHAEL M. COLLINS AND PAUL M. TUSKES 728
Rates of Molecular and Chromosomal Evolution in Salamanders. LINDA E. R. MAXSON AND ALLAN C. WILSON 734
Ecological Generalism in Drosophila falleni: Genetic Evidence. JOHN JAENIKE AND ROBERT K. SELANDER 741
The Primary Characteristics of Tribolium Populations Group Selected for Increased and Decreased Population Size. MICHAEL J. WADE 749
Notes and Comments
Evolution of Handling Time: The Functional Response of a Predator to the Density of Sympatric and Allopatric Strains of Prey. TODD P. LIVDAHL 765
Mutual Facilitation Between Larvae of Drosophila melanogaster Cultured on Sterol Mutant Yeast. MARTEN BOS 768
On Premating Isolation Between Two Closely Related Species of Hawaiian Drosophila. GRAEME F. WATSON 771
Are Parthenogenetic and Related Bisexual Insects Equal in Fertility? RICHARD Y. LAMB AND ROBERT B. WILLEY 774
Book Review
Some Problems with the Evolution of Sex. DENNIS NYBERG 776
Application for Membership 640
Vol. 33 September 1979 No. 3
CONTENTS
Genetic Variation and Host Plant Relations in a Parthenogenetic Moth. CHARLES MITTER, DOUGLAS J. FUTUYMA, JOHN C. SCHNEIDER, AND J. DANIEL HARE 777
Rapid Host Range Evolution in a Population of the Phytophagous Mite Tetranychus urticae Koch. FRED GOULD 791
Monoterpene Variation in Ponderosa Pine Xylem Resin Related to Western Pine Beetle Predation. KAREEN B. STURGEON 803
Genetic Diversity and Environmental Associations of Wild Barley, Hordeum spontaneum, in Israel. EVIATAR NEVO, DANIEL ZOHARY, A. H. D. BROWN, AND MICHAEL HABER 815
Evolution in Peripheral Isolated Populations: Carpodacus Finches on the California Islands. DENNIS M. POWER 834
Heterosis and Intercional Variation in Thermal Tolerance in Unisexual Fishes. ARTHUR J. BULGER AND R. JACK SCHULTZ 848
Hybrid Zones in Thomomys bottae Pocket Gophers: Genetic, Phenetic, and Ecologic Concordance Patterns. JAMES L. PATTON, JOHN C. HAFNER, MARK S. HAFNER, AND MARGARET F. SMITH 860
Evidence for Ecological Character Displacement in Western American Catostomid Fishes. A. E. DUNHAM, G. R. SMITH, AND J. N. TAYLOR 877
Tests of Community-Wide Character Displacement Against Null Hypotheses. DONALD R. STRONG, JR., LEE ANN SZYSKA, AND DANIEL S. SIMBERLOFF 897
Elevational Gradients in Adult Sex Ratios and Sexual Differentiation in Vegetative Growth Rates of Populus tremuloides Michx. MICHAEL C. GRANT AND JEFFRY B. MITTON 914
Sexual Dimorphism in Brachionus plicatilis (Rotifera): Evolutionary and Adaptive Significance. ROBERT W. EPP AND WILLIAM M. LEWIS, JR. 919
Natural Selection Resisting Inbreeding Depression in Captive Wild Housemice (Mus muscuIus). JAMES L. CONNOR AND MITCHELL J. BELLUCCI 929
Evolution of Color Pattern and Pubescence Characteristics in Male Bumblebees: Automimicry vs. Thermoregulation. EDMUND W. STILES 941
A Model of Fire Selection for Serotiny in Lodgepole Pine. DAVID A. PERRY AND JAMES E. LOTAN 958
Selection for Serotiny in Lodgepole Pine: Mathematical Analysis of the Model of Perry and Lotan. DANIEL L. HARTL 969
Evolution of Temperate Fruit/Bird Interactions: Phenological Strategies. JOHN N. THOMPSON AND MARY F. WILLSON 973
Ectothermy and the Success of Dinosaurs. MICHAEL J. BENTON 983
Notes and Comments
Evolution of Paedomorphosis in Salamanders of the Genus Gyrinophilus. RICHARD C. BRUCE 998
Character Variability and Evolutionary Rate in Menidia. BRUCE RISKA 1001
Book Reviews
Arthropod Evolution and Classification. HOWARD E. EVANS 1005
The Genetics of Behavior. PHILIP HEDRICK 1006
Evolutionary Biology. STEPHEN C. STEARNS 1007
Change in Editorial Policy 790
Announcements 859, 928
Application for Membership 957
Vol. 33 December 1979 No. 4
CONTENTS
Speciation in North American Field Crickets: Evidence from Electrophoretic Comparisons. RICHARD G. HARRISON 1009
Gene Duplication and Phylogeny in Clarkia. L. D. GOTTLIEB AND N. F. WEEDEN 1024
Phylogenetic Relationships Between Man and the Apes: Electrophoretic Evidence. ELIZABETH J. BRUCE AND FRANCISCO J. AYALA 1040
Comparative Albumin and Biochemical Evolution in Plethodontid Salamanders. LINDA R. MAXSON AND RICHARD D. MAXSON 1057
Genetic Differentiation Within the Melanogaster Species Group of the Genus Drosophila (Sophophora). KAREL T. EISSES, HENK VAN DIJK, AND WILKE VAN DELDEN 1063
Hybridization Between Species of the Rana pipiens Complex in Central Texas. RICHARD D. SAGE AND ROBERT K. SELANDER 1069
Natural Hybridization and Genetic Divergence Between the Toads Bufo boreas and Bufo punctatus. JULIANA H. FEDER 1089
Hybridization in Milkweed Bugs of the Genus Oncopeltus (Hemiptera: Lygaeidae). FLAVIA A. O'ROURKE 1098
The Genetic Basis of the Ecological Amplitude of Spartina patens. I. Morphometric and Physiological Traits. JOHN A. SILANDER AND JANIS ANTONOVICS 1114
Selection on Amylase Allozymes in Drosophila melanogaster: Selection Experiments Using Several Independently Derived Pairs of Chromosomes. D. A. HICKEY 1128
Evolution of Competitive Ability in Mixtures of Drosophila melanogaster: Populations with an Initial Asymmetry. D. S. SULZBACH AND J. M. EMLEN 1138
Phenotypic Consequences of Parthenogenesis in Cnemidophorus Lizards. I. Variability in Parthenogenetic and Sexual Populations. E. DAVIS PARKER, JR 1150
Phenotypic Consequences of Parthenogenesis in Cnemidophorus Lizards. II. Similarity of C. tesselatus to its Sexual Parental Species. E. DAVIS PARKER, JR. 1167
Population Dynamics of Indigo Buntings and the Evolution of Avian Polygyny. MICHAEL CAREY AND VAL NOLAN, JR. 1180
17-Year Cicadas Emerging After 18 Years: A New Brood? JO ANN WHITE AND MONTE LLOYD 1193
An Evolutionary Examination of the Floral Display of Catalpa speciosa (Bignoniaceae). ANDREW G. STEPHENSON 1200
Genetic Variability and Founder Effect in the Pitcher Plant Sarracenia purpurea L. KENT E. SCHWAEGERLE AND BARBARA A. SCHAAL 1210
On the Selective Advantage of Fratricide in Raptors. CHRISTOPHER H. STINSON 1219
Notes and Comments
Neighborhood Size in Viola. ANDREW J. BEATTIE AND DAVID C. CULVER 1226
Book Review
Evolutionary Principles of the Mammalian Middle Ear. R. ERIC LOMBARD 1230
Evolution Meetings-Corrected Dates 1231
Publication Change 1232
Announcements 1232, 1233, 1234
Society Election Results 1235
Application for Membership 1236
Subject Index to Volume 33 1237
Vol. 34 January 1980 No. 1
CONTENTS
Paedomorphosis in Relation to Rates of Morphological and Molecular Evolution in the Salamander Aneides flavipunctatus (Amphibia, Plethodontidae). ALLAN LARSON 1
Selective Mortality and Reproduction in a Natural Population of Bufo boreas. PAUL B. SAMOLLOW 18
Phenotypic Variation and the Outcome of Interspecific Competition in Hylid Tadpoles. JOSEPH TRAVIS 40
The Implications of Ovum Size Variability for Offspring Fitness and Clutch Size Within Several Populations of Salamanders (Ambystoma). ROBERT H. KAPLAN 51
Maladaptation in a Marginal Population of the Mosquito fish, Gambusia affinis. STEPHEN C. STEARNS AND RICHARD D. SAGE 65
Natural Selection on Color Patterns in Poecilia reticulata. JOHN A. ENDLER 76
The Population Biology of the White-lipped Land Snail, Triodopsis albolabris: Genetic Variability. GARY F. McCRACKEN AND PETER F. BRUSSARD 92
The Distribution of an Esterase Polymorphism in Macrogynes and Microgynes of Myrmica rubra Latreille. BARRIE PEARSON AND ANTHONY R. CHILD 105
Patterns of Allozymic Similarity in Ecologically Central and Marginal Populations of Hordeum jubatum in Utah. KATHY M. SHUMAKER AND GARY R. BABBEL 110
Variation in the Breeding System of Elymus canadensis. THOMAS B. SANDERS AND J. L. HAMRICK 117
The Distributions of Gender in Four Angiosperm Species Illustrating Two Evolutionary Pathways to Dioecy. DAVID G. LLOYD 123
Floral Mimicry by Epidendrum ibaguense (Orchidaceae) in Panama. THOMAS C. BOYDEN 135
Evolution and Speciation of Host Plant Specific Yeasts. WILLIAM T. STARMER, HENRY W. KIRCHER, AND HERMAN J. PHAFF 137
Divergence in the Enchenopa binotata Say Complex (Homoptera: Membracidae) Effected by Host Plant Adaptation. T. K. WOOD 147
Sexual Selection and Dimorphism in Two Demes of a Symbiotic, Pair-bonding Snapping Shrimp. NANCY KNOWLTON 161
Sexual Selection and the Evolution of Pair-bonding in Soldier Beetles. LARRY G. MASON 174
The Inversion Polymorphism of Keyacris scurra and the Adaptive Topography. D. J. COLGAN AND J. CHENEY 181
Latitudinal Gradients in the Species Diversity of North American Mammals. EARL D. MCCOY AND EDWARD F. CONNOR 193
An Examination of the Trophic Resource Stability Theory Using Oyster Species of the Family Ostreidae. NORMAN E. BUROKER 204
Announcement 136, 160
Evolution and American Society of Naturalists Meetings 208
Sale of Back Issues of Evolution 136
Application for Membership 109
Vol. 34 March 1980 No. 2
CONTENTS
Population Genetics of Drosophila Amylase III. Interspecific Variation. JEFFREY R. POWELL, MARTA RICO, AND MARKO ANDJELKOVIC 209
The Apportionment of Genetic Variation Within and Among Populations of Desmodium nudiflorum. BARBARA A. SCHAAL AND WILLIAM G. SMITH 214
Albumin Evolution in Marsupial Frogs (Hylidae: Gastrotheca). BRIAN E. SCANLAN, LINDA R. MAXSON, AND WILLIAM E. DUELLMAN 222
Evolution of an Enzyme System: Ascorbic Acid Biosynthesis in Monotremes and Marsupials. ELMER C. BIRNEY, ROBERT JENNESS, AND IAN D. HUME 230
Genetic Relationships of the Color Morphs of the Serranid Fish Hypoplectrus unicolor. JOHN E. GRAVES AND RICHARD H. ROSENBLATT 240
Evolutionary Genetics of a Gynogenefic Fish, Poecilia formosa, the Amazon Molly. BRUCE J. TURNER, BETTY-LOU H. BRETT, ELLEN M. RASCH, AND JOSEPH S. BALSANO 246
Trophic Differentiation in Ilyodon, a Genus of Stream-dwelling Goodeid Fishes: Speciation Versus Ecological Polymorphism. BRUCE J. TURNER AND DANIEL J. GROSSE 259
Reproductive Strategies in the Surfperches. I. Multiple Insemination in Natural Populations of the Shiner Perch, Cymatogaster aggregata. JOAN D. S. DARLING, MARTHA L. NOBLE,
AND EVELYN SHAW 271
Clutch Size, Breeding Success, and Parental Survival in the Tree Swallow (Iridoprocne bicolor). DIANE DE STEVEN 278
Sexual Dimorphism, Sexual Selection, and Adaptation in Polygenic Characters. RUSSELL LANDE 292
Sex Ratio in the Sailfin Molly, Poecillia latipinna. FRANKLIN F. SNELSON, JR. AND JEFFREY D. WETHERINGTON 308
Male Mating Discrimination in Drosophila melanogaster, D.simulans and their Hybrids. DAVID WOOD AND JOHN M. RINGO 320
A Comment on "Mate Recognition Systems." HUGH E. PATERSON 330
Interspecific Competition, Island Biogeography and Null Hypotheses. P. R. GRANT AND I. ABBOTT 332
Host Abundance, Juvenile Survival, and Oviposition Preference in Battus philenor. MARK D. RAUSHER 342
Variation in Photoperiodic Response Within and Among Species of Milkweed Bugs (Oncopeltus). HUGH DINGLE, BETH M. ALDEN, NIGEL R. BLAKLEY, DIANNE KOPEC, AND ELIZABETH RUTH MILLER 356
Variation in Body Size and Flight Performance in Milkweed Bugs (Oncopeltus). HUGH DINGLE, NIGEL R. BLAKLEY, AND ELIZABETH RUTH MILLER 371
Brain Structure in Chiroptera: Some Multivariate Trends. GEORG, BARON AND PIERRE JOLICOEUR 386
The Zoogeography of Specialized Cave Animals: a Bioclimatic Model. FRANCIS G.HOWARTH 394
Book Review
Topics in Plant Population Biology,. S. J. McNAUGHTON 407
Evolution and American Society of Naturalists Meetings 306
Application for Membership 307
Vol. 34 May 1980 No. 3
CONTENTS
Evolution Under interspecific Competition: Field Experiments on Terrestrial Salamanders. NELSON G. HAIRSTON 409
Sexual Isolation Among Populations of Drosophila mohavensis: Response to Pressure from a Related Species. E. ZOUROS AND C. J. D'ENTREMONT 421
Selection for Competitive Ability: Negative Results in Drosophila. D. S. SULZBACH 431
Sexual Isolation, Speciation and the Direction of Evolution. KENNETH V. KANESHIRO 437
Altered Competition Between Two Reproductively Isolated Strains of Drosophila melanogaster. ANITA PRUZAN-HOTCHKISS, IRA B. PERELLE, FREDERICK H. C. HOTCHKISS, AND LEE EHRMAN 445
Mechanisms of Fixation and Accumulation of Centric Fusions in Natural Populations of Mus musculus L. I. Karyological Analysis of a Hybrid Zone between Two Populations in the Central Apennines. FRANCO SPIRITO, ANTONELLA MODESTI, PAOLO PERTICONE, MAURO CRISTALDI, ROBERTO FEDERICI, AND MARCO RIZZONI 453
Mimicry of Male by Female Flowers and Intrasexual Competition for Pollinators in Jacaratia dolichaula (D. Smith) Woodson (Caricaceae). K. S. BAWA 467
Mass-Flowering of a Tropical Shrub (Hybanthus prunifolius): Influence on Pollinator Attraction and Movement. CAROL K. AUGSPURGER 475
Evolution of Floral Display in the Orchid Brassavola nodosa. DOUGLAS W. SCHEMSKE 489
Effects of Cold Climate on the Evolution of Pinniped Breeding Systems. RAYMOND PIEROTTI AND DAVID PIEROTTI 494
Local Population Size as a Determinant of Mating System and Sexual Composition in two Tropical Marine Fishes (Thalassoma spp.). ROBERT R. WARNER AND STEVEN G. HOFFMAN 508
Mate Choice in Hylobittacus apicalis (Insects: Mecoptera) and its Relation to Some Models of Female Choice. RANDY THORNHILL 519
Evolution of Clonal Diversity in the Parthenogenetic Fly Lonchoptera dubia. HOWARD OCHMAN, BO STILLE, MONICA NIKLASSON, ROBERT K. SELANDER, AND ALAN R. TEMPLETON 539
The Nature of Variation in Life History Characters of Dysdercus bimaculatus (Heteroptera: Pyrrhocoridae), a Colonizing Species. JANICE A. DERR 548
Geographic Variation in the Milkfish Chanos chanos. I. Biochemical Evidence. GARY A. WINANS 558
On Caste Ratios in Ant Colonies: Population Responses to Changing Environments. JOAN M. HERBERS 575
Unpalatability as a Defense Strategy of Euphydryas phaeton (Lepidoptera: Nymphalidae). M. DEANE BOWERS 586
Heterozygote Advantage at the Fruit Wing locus in Plectritis congesta (Valerianaceae). KEN CAREY AND FRED R. GANDERS 601
Selection for Amylase Allozymes in Drosophila melanogaster: A Reply. W. SHARLOO AND G. DE JONG 608
When is it Coevolution? DANIEL H. JANZEN 611
Notes and Comments
The Question of Synchromy or "Temporal Sympatry" in Mimicry. JAMES E. HUHEEY 614
Evolution and American Society of Naturalists Meetings 613
Application for Membership 612
Erratum 616
Vol. 34 September 1980 No. 5
CONTENTS
Genic and Organismic Selection. SEWALL WRIGHT 825
An Experimental Study of Kin Selection. MICHAEL J. WADE 844
Growth Rate in Oysters: an Overdominant Phenotype and its Possible Explanations. E. ZOUROS, SHIVA M. SINGH, AND HEATHER E. MILES 856
Selection for Amylase Allozymes in Drosophila melanogaster: Some Questions. WINIFRED W. DOANE 868
Enzymatic Polymorphism in Drosophila subobscura Populations From the Canary Islands. V. M. CABRERA, A. M. GONZALEZ, AND A. GULLON 875
Phylogenetic and Environmental Determinants of Geographic Variation of the Pocket Mouse Perognathus goldmani Osgood. DONALD O. STRANEY AND JAMES L. PATTON 888
Genetic Variation and Evolutionary Relationships Within a Group of Thirteen Species of Penaeid Prawns. J. C. MULLEY AND B. D. H. LATTER 904
Interspecific Hybridization and the Evolutionary Origin of a Gynogenetic Fish, Poecilia formosa. BRUCE J. TURNER, BETTY-LOU H. BRETT, AND ROBERT R. MILLER 917
Recombination System and Population Structure in Oenothera. NORMAN C. ELLSTRAND AND DONALD A. LEVIN 923
Pollinator Foraging Behavior and Gene Dispersal in Senecio (Compositae). JOHANNA SCHMITT 934
The Impact of Floral Parasitism in Two Neotropical Hummingbird- Pollinated Plant Species. LUCINDA A. McDADE AND SHARON KINSMAN 944
Ecological Constraints on the Evolution of Breeding Systems in Seed Plants: Dioecy and Dispersal in Gymnosperms. THOMAS J. GIVNISH 959
Parental Investment and Mating Systems in Mammals. SAMUEL I. ZEVELOFF AND MARK S. BOYCE 973
Outbreeding via Frequency-Dependent Mate Selection in the Parasitoid Wasp, Nasonia (=Mormoniella) vitripennis Walker. BRUCE GRANT, SUSAN BURTON, CHARLES CONTOREGGI, AND MITCHELL ROTHSTEIN 983
Sex Ratio, Body Size and Seasonality in a Solitary Bee, Osmia lignaria propinqua Cresson (Hymenoptera: Megachilidae). P. F. TORCHIO AND V. J. TEPEDINO 993
Selective Predation of Gray jays, Perisoreus canadensis, upon Boreal Chorus Frogs, Pseudacris triseriata. WALTER TORDOFF III 1004
Evolution of Food Preferences in Fungus-Feeding Drosophila: an Ecological Study. MASAHITO T. KIMURA 1009
Geographic Range, Life Historv Patterns, and Body Size in a Guild of Coral-Dwelling Mantis Shrimps. MARJORIE L. REAKA 1019
Book Reviews
Optimization in Evolution. MONTGOMERY SLATKIN 1031
Theory of Population Genetics and Evolutionary Ecology: an Introduction. HENRY M. WILBUR AND JOSEPH TRAVIS 1032
Evolution in Structured Populations. RICHARD E. MICHOD 1034
Errata 1003
Announcement 943
Evolution Manuscript Submission Information 1036
Vol. 34 November 1980 No. 6
CONTENTS
Genetic Variation and Differentiation in Scandinavian Moose (Alces alces): Are Large Mammals Monomorphic? NILS RYMAN, CHRISTINA REUTERWALL, KAARLO NYGREN, AND TUIRE NYGREN 1037
Polymorphism for Breeding Colors in Gasterosteus aculeatus II. Reproductive Success as a Result of Convergence for Threat Display. D. W. HAGEN, G. E. E. MOODIE, AND P. F. MOODIE 1050
Genetic Variation and Population Differentiation in the Rhytidoponera impressa Group, a Species Complex of Ponerine Ants (Hymenoptera: Formicidae). P. S. WARD 1060
Closely Linked Alpha-Chain Hemoglobin Loci in Peromyscus and Other Animals: Speculations on the Evolution of Duplicate Loci. LEE R. G. SNYDER 1071
Correlations of Allozymic Variation with Habitat Parameters Using the Grass Shrimp, Palaemonetes pugio. BELINDA FULLER AND L. JAMES LESTER 1099
Consideration of Muller's Ratchet Mechanism through Studies of Genetic Linkage and Genomic Compatibilities in Clonally Reproducing Poeciliopsis. JAMES F. LESLIE AND ROBERT C. VRIJENHOEK 1105
Does Asymmetrical Mating Preference Show the Direction of Evolution? M. WASSERMAN AND H. R. KOEPFER 1116
Population Biology of Chamaelirium luteum, a Dioecious Lily. I. Spatial Distributions of Males and Females. THOMAS R. MEAGHER 1127
Role of Pollinators in the Evolution of Dioecy, from Distyly. J. H. BEACH AND K. S. BAWA 1138
Seed Production and Pollen Vectors in Several Nectarless Plants. MICHAEL N. MELAMPY AND ANITA M. HAYWORTH 1144
Experimental Confirmation of Heritable Morphological Variation in a Natural Population of Song Sparrows. JAMES N. M. SMITH AND ANDRE A. DHONDT 1155
Genetic Components of Size and Shape. I. Dynamics of Components of Phenotypic Variability and Covariability During Ontogeny in the Laboratory Rat. WILLIAM R. ATCHLEY AND J. J. RUTLEDGE 1161
Intraspecific Litter Size Variation in Microtus Californicus. II. Variation Between Populations. DAVID T. KROHNE 1174
r- and K-Selection in Drosophila pseudoobscura. CHARLES E. TAYLOR AND CINDRA CONDRA 1183
The Role of Venom Delivery Strategies in Snake Evolution. ALAN H. SAVITZKY 1194
Determination of the Time of Day at Which Diurnal Moths Painted to Resemble Butterflies are Attacked by Birds. M. R. JEFFORDS, G. P. WALDBAUER, AND J. G. STERNBURG 1205
Notes and Comments
Batesian and Mullerian Mimicry: Semantic and Substantive Differences of Opinion. JAMES E. HUHEEY 1212
Non-linear Macromolecular Evolution and the Molecular Clock. ROBERT S. CORRUCCINI, MARIETTA BABA, MORRIS GOODMAN, RUSSELL L. CIOCHON, AND JOHN E. CRONIN 1216
Genetic Variance, Fitness, and Homeostasis in Varying Environments: An Experimental Check of the Theory. TRUDY F. C. MACKAY 1219
Book Reviews
Plant Parenthood. ROBERT ORNDUFF 1223
Macroevolution. ALAN R. TEMPLETON 1224
Evolution of Mating Preferences. ELIOT B. SPIESS 1227
Evolution and American Society of Naturalists 1981 Meeting 1225
Membership Notice 1126
Dobzhansky Prize, Application Information 1143
Announcements 1159, 1160, 1173
Erratum 1204
Subject Index, Volume 34 1230
Table of Contents, Volume 34 i
Vol. 35 July 1981 No. 4
CONTENTS
Evolution of Host Plant Utilization in Laboratory Populations of the Southern Cowpea Weevil, Callosobruchus maculatus Fabricius (Coleoptera: Bruchidae). STEVEN S. WASSERMAN AND DOUGLAS J. FUTUYMA 605
Divergence in Allopatry: Molecular and Morphological Differentiation between Sea Urchins Separated by the Isthmus of Panama. H. A. LESSIOS 618
Aldehyde Oxidase Distribution in Picture-Winged Hawaiian Drosophila: Evolutionary Trends. JAYNE N. AHEARN AND DAVID T. KUHN 635
Morphological Variation in the Horseshoe Crab Limulus polyphemus. BRUCE RISKA 647
Algebra of Inclusive Fitness. KENICHI AOKI 659
Estimating the Degree of Polyandry in Natural Populations. JEROME WILSON 664
Inbreeding in an Island Population of the Great Tit. A. J. VAN NOORDWIJK AND W. SCHARLOO 674
Effects of Social Organization and Environmental Diversity on Determining the Genetic Structure of a Population of the Wild Rabbit, Oryctolagus cuniculus. JOANNE C. DALY 689
Mate Choice in the Wood Frog, Rana sylvatica. KEITH A. BERVEN 707
Asexual Reproduction and Environmental Predictability in Cestodes (Cyclophyllidea: Taeniidae). JANICE MOORE 723
Adaptive Significance of Delayed Attainment of Plumage in Male American Redstarts: Tests of Two Hypotheses. ELIZABETH PROCTOR-GRAY AND RICHARD T. HOLMES 742
Floral Sex Ratios and Life History in Aralia nudicaulis (Araliaceae). SPENCER C. H. BARRETT AND KAIUS HELENURM 752
Hawkmoths and the Geographic Patterns of Floral Variation in Aquilegia caerulea. RUSSELL B. MILLER 763
Parental Care and Mode of Fertilization in Ectothermic Vertebrates. MART R. GROSS AND RICHARD SHINE 775
Community-wide Character Displacement Reexamined. JOHN A. HENDRICKSON, JR 794
Notes and Comments
Straining at Gnats and Swallowing Ratios: Character Displacement. DONALD R. STRONG, JR. AND DANIEL S. SIMBERLOFF 810
Patterns of Size Variation in Bees and Evolution of Communication Svstems. KEITH D. WADDINGTON 813
Courtship Behavior and Evolutionary Status of the Hawaiian Drosophila primaeva Hardy and Kaneshiro. HERMAN T. SPIETH 815
A Geographic Perspective on the Ecology of Compound Leaves. LAWRENCE G. STOWE AND JEFFREY L. BROWN 818
Evolution-Science versus Creation-Science. WILLIAM GUEST AND FRANCES E. CLAYTON 822
Book Reviews
Biochemical Systematics and Evolution. RICHARD HIGHTON 823
Sociobiology Evolving. STEVAN J. ARNOLD 824
A Review of the Genetics of Altruism. MICHAEL J. WADE 826
Announcement 751
Application for Membership 828
Vol. 35 September 1981 No. 5
CONTENTS
Disruptive Selection and Assortative Mating in Tribolium castaneum. RICHARD HALLIBURTON AND G. A. E. GALL 829
Effect of Inbreeding on the Evolution of Altruistic Behavior bv Kin Selection. MICHAEL J. WADE AND FELIX BREDEN 844
Populational Heritability. MONTGOMERY SLATKIN 859
Genetic Variability of the Face Fly, Musca autumnalis De Geer, in Relation to a Population Bottleneck. EDWIN H. BRYANT, HENK VAN DIJK AND WILKE VAN DELDEN 872
Evolution of Sex Ratio in Structured Demes. DAVID SLOAN WILSON AND ROBERT K. COLWELL 882
Sex Ratio Constancy in the Red-Winged Blackbird. KENT L. FIALA 898
Microspatial Genetic Heterogeneity in Pocket Gophers: Non-Random Breeding and Drift. JAMES L. PATTON AND JULIANA H. FEDER 912
Drosophila heteroneura and Drosophila silvestris: Head Shapes, Behavior and Evolution. HERMAN T. SPIETH 921
Selection Pressures Affecting Male Nutrient Investment at Mating in Heliconiine Butterflies. CAROL L. BOGGS 931
"Grandfather Effects": the Genetics Of Interpopulation Differences in Offspring Size in the Mosquito Fish. DAVID REZNICK 941
Parasexuality and Microevolution in Experimental Populations of Bacillus subtilis. JULIA GRAHAM AND CONRAD ISTOCK 954
Pollen-Ovule Ratio, Pollen Size, and the Ratio of Stigmatic Area to the Pollen-Bearing Area of the Pollinator: an Hypothesis. ROBERT WILLIAM CRUDEN AND SHARON MILLER-WARD 964
Evidence for the Evolution of Competition Between Two Species of Annual Plants. MARY M. MARTIN AND JAMES HARDING 975
Phenological Relationships of Model and Mimic Salamanders. EDMUND D. BRODIE, JR. 988
Predation Pressure and Gastropod Foraging: a Tropical-Temperate Comparison. MARK D. BERTNESS, STEPHEN D. GARRITY AND SALLY C. LEVINGS 995
A Chromosomal Cline in the Grasshopper Podisma pedistris. N. H. BARTON AND G. M. HEWITT 1008
Notes and Comments
Correlation Between Subcellular Location and Phosphoglucose Isomerase Variability. L. D. GOTTLIEB AND N. F. WEEDEN 1019
Courtship Behavior and Control of Reproductive Isolation Between Drosophila mojavensis and Drosophila arizonensis. THERESE ANN MARKOW 1022
Book Reviews
The Terrestrial Environment and the Origin of Land Vertebrates. EVERETT C. OLSON 1027
The Eternal Search. JOHN G. FLEAGLE 1029
A Refreshed Orthodox View of Paleobiogeography of South American Mammals. OSVALDO A. REIG 1032
Application for Membership 871
Announcements 881, 911
Errata 897
Evolution and American Society of Naturalists 1982 Meetings 910
Dobzhansky Prize Awards 1036
Vol. 35 November 1981 No. 6
CONTENTS
Genetic Components of Size and Shape. II. Multivariate Covariance Patterns in the Rat and Mouse Skull. WILLIAM R. ATCHLEY, J. J. RUTLEDGE, AND DAVID E. COWLEY 1037
The Genetic Basis of Microdifferentiation in Natural and Experimental Populations of Borrichia frutescens in Relation to Salinity. ANN E. ANTLFINGER 1056
Experimental Ecological Genetics in Plantago. V. Components of Seed Yield in the Ribwort Plantain Plantago lanceolata L. RICHARD B. PRIMACK AND JANIS ANTONOVICS 1069
Studies on the Population Biology of the Genus Viola. II. The Effect of Plant Size on Fitness in Viola sororia. OTTO T. SOLBRIG 1080
Temporal Variation of Gender in Aralia hispida Vent. (Araliaceae). JAMES D. THOMSON AND SPENCER C. H. BARRETT 1094
Sex Ratio of Rumex hastatulus: the Effect of Environmental Factors and Certation. J. S. CONN AND UDO BLUM 1108
Genetic Variability in Reproduction Rates in Marine Phytoplankton Populations. LARRY E. BRAND 1117
Genes Affecting Courtship Song and Mating Preference in Drosophila melanogaster, Drosophila simulans and their Hybrids. MASAOKI KAWANISHI AND TAKAO K. WATANABE 1128
Effect of Size upon Mating Performance within Geographic Strains of the Housefly, Musca domestica L. F. TERRY BALDWIN AND EDWIN H. BRYANT 1134
Does High Fecundity Reduce Survival in Song Sparrows? JAMES N. M. SMITH 1142
Pre-partum Reproductive Characteristics of Eutherian Mammals. JOHN S. MILLAR 1149
Reproductive Isolation in Relation to Allozymic and Chromosomal Differentiation in the Grasshopper Caledia captiva. J. C. DALY, P. WILKINSON, AND D. D. SHAW 1164
Evolution of Histocompatibility Diversity in an Asexual Vertebrate, Poeciliopsis 2 monacha-lucida (Pisces: Poeciliidae). A. BRADLEY EISENBREY AND WILLIAM S. MOORE 1180
Population Genetics of Tigriopus californicus. II. Differentiation among Neighboring Populations. RONALD S. BURTON AND MARCUS W. FELDMAN 1192
Santa Rosalia Reconsidered: Size Ratios and Competition. DANIEL SIMBERLOFF AND WILLIAM BOECKLEN 1206
Evolutionary Trees from Gene Frequencies and Quantitative Characters: Finding Maximum Likelihood Estimates. JOSEPH FELSENSTEIN 1229
Notes and Comments
Using Frequency Distributions to Detect Selection: Inversion Polymorphisms in Drosophila pseudoobscura. DAVID S. HAYMER AND DANIEL L. HARTL 1243
Basis for a Skewed Sex Ratio in Dispause-Destined Flesh Flies. DAVID L. DENLINGER 1247
"Scientific Creationism" Bill in Louisiana Begat a Feud and a Lawsuit. E. PETER VOLPE 1249
Sex Ratio Compensation in Ant Populations. PETER D. TAYLOR 1250
Sex Ratio and Parental Investment in an Ant Population. ADRIAN FORSYTH 1252
Book Reviews
Animal Play Behavior. MARC BEKOFF 1254
Mammalian Population Genetics: Progress Report on a World View in Transition. GEORGE F. BARROWCLOUGH 1255
How Biology was Unified. DAVID B. WAKE 1256
Announcements 1079, 1093, 1127
Evolution and American Society of Naturalists 1982 Meetings 1257
Application for Membership 1260
Table of Contents, Volume 35 i
Vol. 36 January 1982 No. 1
CONTENTS
Sexual Selection and the Evolution of Female Choice. MARK KIRKPATRICK 1
Models of Polygenic Sex Determination and Sex Ratio Control. M. G. BULMER AND J. J. BULL 13
"Sex-Ratio" Trait, Sex Composition, and Relative Abundance in Drosophila pseudoobscura. STEPHEN H. BRYANT, ANDREW T. BECKENBACH, AND GARY A. COBBS 27
Population Structure, Frequency-Dependent Selection, and the Maintenance of Sexual Reproduction. MARY V. PRICE AND NICKOLAS M. WASER 35
Sperm Competition and Sperm Storage as Determinants of Sexual Dimorphism in the Dwarf Surfperch, Micrometros minimus. ROBERT R. WARNER AND RONALD K. HARLAN 44
Adaptive versus Incidental Explanations for the Occurrence of Protandry in a Butterfly, Leptidea sinapis L. CHRISTER WIKLUND AND CHRISTER SOLBRECK 56
Genotypic Diversity in Oenothera laciniata (Onagraceae), a Permanent Translocation Heterozygote. NORMAN C. ELLSTRAND AND DONALD A. LEVIN 63
Pollinator Foraging on Foxglove (Digitalis purpurea): a Test of a New Model. LYNN S. BEST AND PAULETTE BIERZYCHUDEK 70
Gametic Disequilibrium in the Self-fertilizing Slug Deroceras laeve. DAVID W. FOLTZ, BARRY M. SCHAITKIN, AND ROBERT K. SELANDER 80
Alcohol Dehydrogenase and Glycerol-3-Phosphate Dehydrogenase Clines in Drosophila melanogaster on Different Continents. J. G. OAKESHOTT, J. B. GIBSON, P. R. ANDERSON, W. R. KNIBB, D. G. ANDERSON, AND G. K. CHAMBERS 86
Electrophoretic and Functional Enzymic Evolution in Four Species of Eastern Pacific Barracudas from Different Thermal Environments. JOHN E. GRAVES AND GEORGE N. SOMERO 97
Relatedness of Normal Queens (Macrogynes) in Nests of the Polygynous Ant Myrmica rubra Latreille. BARRIE PEARSON 107
Chromosomal Evidence for Parallel Evolution of Shell Sculpture Patterns in Goniobasis. STEVEN M. CHAMBERS 113
Genetic Studies on Sexual Isolation and Hybrid Sterility in Long-term Cage Populations of Drosophila melanogaster. G. KILIAS AND S. N. ALAHIOTIS 121
Morphometric Evidence for Incipient Speciation in Drosophila silvestris from the Island of Hawaii. H. L. CARSON, F. C. VAL, C. M. SIMON, AND J. W. ARCHIE 132
The Drosophilidae Associated with Tropical African Figs. DANIEL LACHAISE, LEONIDAS TSACAS, AND GUY COUTURIER 141
An Experimental Test of Natural Selection for Pupation Site in Swallowtail Butterflies. DAVID A. WEST AND WADE N. HAZEL 152
The Impact of Predation on Life History Evolution in Trinidadian Guppies (Poecilia reticulate). DAVID REZNICK AND JOHN A. ENDLER 160
Convergent and Divergent Effects of Natural Selection on Color Patterns in Two Fish Faunas. JOHN A. ENDLER 178
Differentiation of Adjacent Stream Populations of Threespine Sticklebacks. MICHAEL A. BELL 189
Notes and Comments
Searching for Parallel Enzyme Gene Variation Among Sympatric Congeners. SIRKKA- LIISA VARVIO-AHO AND PEKKA PAMILO 200
The Use of Parallel Patterns to Test Neutrality: A Reply to Varvio-Aho and Pamilo. RICHARD BOROWSKY 204
A Reply. SIRKKA-LIISA VARVIO-AHO AND PEKKA PAMILO 205
Book Reviews
A Theme That Will Be Repeated. Joe Felsenstein 206
Puberty Rites of Biogeography. John A. Endler 207
Announcements 12, 203, 210
Errata 205
Evolution Society News 211
Evolution Journal Publication Charges 211
Application for Membership 212
Vol. 36 March 1982 No. 2
CONTENTS
Rapid Origin of Sexual Isolation and Character Divergence in a Cline. RUSSELL LANDE 213
Speciation Rates and Morphological Divergence in Fishes: Tests of Gradual Versus Rectangular Modes of Evolutionary Change. MICHAEL EDWARD DOUGLAS AND JOHN C. AVISE 224
Ecological and Behavioral Basis for Reproductive Isolation in the Sympatric Enchenopa binotata Complex (Homoptera: Membracidae). THOMAS K. WOOD AND SHELDON I. GUTTMAN 233
Mate Recognition and Mechanical Isolation in Enallagma Damselflies (Odonata: Coenagrionidae). HUGH M. ROBERTSON AND HUGH E. H. PATERSON 243
Sexual Selection in a Brented Weevil. LESLIE K. JOHNSON 251
Pleiotropy and Parapatric Speciation. MONTGOMERY SLATKIN 263
Group Selection Versus Individual Selection: an Experimental Analysis. DAVID M. CRAIG 271
Selection for Host Modification by Insect Parasitoids. ROBERT S. FRITZ 283
Rapid Divergence of Plant Populations in Response to Recent Changes in Soil Conditions. R. W. SNAYDON AND T. M. DAVIES 289
Rate of Environmental Change and Adaptation in the Copepod Eurytemora affinis. PHYLLIS A. KETZNER AND BRIAN P. BRADLEY 298
Experimental Changes in Resource Structure and Male Density: Size-Related Differences in Mating Success among Male Scatophaga stercoraria. GERALD BORGIA 307
Microhabitat Differences among Genetically Similar Species of Partula. JAMES MURRAY, MICHAEL S. JOHNSON, AND BRYAN CLARKE 316
Sex Determining Temperatures in Turtles: a Geographic Comparison. J. J. BULL, R. C. VOGT, AND C. J. MCCOY 326
Heritability of Sex Ratio in Turtles with Environmental Sex Determination. J. J. BULL, R. C. VOGT, AND M. G. BULMER 333
Breeding Synchrony in the Lesser Snow Goose (Anser caerulescens caerulescens). I. Genetic and Environmental Components of Hatch Date Variability and Their Effects on Hatch Synchrony. C. SCOTT FINDLAY AND FRED COOKE 342
The Breeding System of Gilia achilleifolia: Variation in Floral Characteristics and Outcrossing Rate. DANIEL J. SCHOEN 352
Genetic Variation and the Breeding System of Gilia achilleifolia. DANIEL J. SCHOEN 361
Sexual Dimorphism in Aralia nudicaulis L. (Araliaceae). K. S. BAWA, CHRISTINE R. KEEGAN, AND ROBERT H. VOSS 371
Allozyme Variation in Coreopsis nuecensoides and C. nuecensis (Compositae), a Progenitor-Derivative Species Pair. DANIEL J. CRAWFORD AND EDWIN B. SMITH 379
Genetic Diversity and Population Structure in Pitch Pine (Pinus rigida Mill.). RAYMOND P. GURIES AND F. THOMAS LEDIG 387
Notes and Comments
Extreme Levels of Genetic Variability in Two Red Sea Cerithium Species (Gastropoda: Cerithidae). UZI RITTE AND ALIZA PASHTAN 403
Origin of Inversions and Wallace's Rule of Triads. CARLOS ZAPATA, MAURO SANTOS, AND GONZALO ALVAREZ 407
Pinniped Thermoregulation: Comments On the "Effects of Cold on the Evolution of Pinniped Breeding Systems." D. M. LAVIGNE 409
On the Role of Chromosomal Inversions in Speciation. E. ZOUROS 414
Is Castration an Evolutionary Strategy of Bot Flies? ROBERT M. TIMM AND RICHARD E. LEE, JR 416
Heritability of Blue Tit Tarsus Length fron Normal and Cross-Fostered Broods. ANDRE A. DHONDT 418
Book Reviews
Conservation and Evolution. SUBODH K. JAIN 420
Behavioral Ecology for Sophomores. JERRAM L. BROWN 421
Announcement 250
Evolution and American Society of Naturalists 1982 Meetings 282
Application for Membership 423
Vol. 36 May 1982 No. 3
CONTENTS
Macroevolution: Pattern and Process Introduction and Background. JEFFREY S. LEVINTON AND DOUGLAS J. FUTUYMA 425
Character Change, Speciation, and the Higher Taxa. SEWALL WRIGHT 427
Evolution and Bifurcation of Developmental Programs. G. OSTER AND P. ALBERCH 444
Macroevolution and the Fossil Record. STEVEN M. STANLEY 460
A Neo-Darwinian Commentary, on Macroevolution. BRIAN CHARLESWORTH, RUSSELL LANDE, AND MONTGOMERY SLATKIN 474
Phenotypic, Genetic, and Environmental Morphological Integration in the Cranium. JAMES M. CHEVERUD 499
Genetic Distance in the Sibling Species Drosophila melanogaster, Drosophila simulans and Drosophila mauritiana. A. M. GONZALES, V. M. CABRERA, J. M. LARRUGA, AND A. GULLON 517
Sympatric Genetic Divergence in the Leaf-Mining Insect Liriomyza brassicae (Diptera: Agromyzidae). SALVATORE J. TAVORMINA 523
A Narrow Hybrid Zone Between Closely Related Cricket Species. RICHARD G. HARRISON AND JONATHAN ARNOLD 535
Laboratory Hybridization Between Semi-Incompatible Races of the Arrhenotokous Spider Mite Tetranychus urticae Koch (Acari: Tetranychidae). R. DE BOER 553
Environmental Change and the Evolutionary History of the Periwinkle (Littorina littorea) in North America. GEERAT J. VERMEIJ 561
Population Differentiation in Euphydryas editha Butterflies: Larval Adaptation to Different Hosts. MARK D. RAUSHER 581
Mating System Variation in Festuca microstachys. W. T. ADAMS AND R. W. ALLARD 591
Diploid-Tetraploid-Dihaploid Cycles and the Evolution of Panicum maximum Jacq. YVES SAVIDAN AND JEAN PERNES 596
XO Females in the Varying Lemming, Dicrostonyx torquatus: Reproductive Performance and its Evolutionary Significance. EMILY A. GILEVA, ISSAC E. BENENSON, LUIDMILA A. KONOPISTSEVA, VITALIJ F. PUCHKOV, AND IRINA A. MAKARANETS 601
On the Fallacy of Constant Extinction Rates. AMY REED MCCUNE 610
Notes and Comments
Sex Ratios in the Eastern Bluebird. MICHAEL P. LOMBARDO 615
Promotion of Gene Flow by Transient Individuals in an Otherwise Sedentary Population of Box Turtles (Terrapene carolina triunguis). A. R. KIESTER, C. W. SCHWARTZ, AND E. R. SCHWARTZ 617
Book Reviews
Models of Cultural and Genetic Change. J. MAYNARD SMITH AND N. WARREN 620
Evolution of Vertebrate Endocrine Systems. DAVID O. NORRIS 627
Classification of Flowering Plants. G. LEDYARD STEBBINS 628
Expanded Topics in Population Genetics. ELIOT B. SPIESS 628
Darwin for Everyone. PHILIP KITCHER 630
Toward a Comparative Biology. DAVID B. WAKE 631
Announcements 498, 522, 534, 590, 609, 634
Erratum 635
Evolution and American Society of Naturalists 1982 Meetings 635
Application for Membership 636
Vol. 36 July 1982 No. 4
CONTENTS
Niche Shifts and Competition in Darwin's Finches: Geospiza conirostris and Congeners. B. R. GRANT AND P. R. GRANT 637
The Cichlid Fish of Cuatro Cienegas, Mexico: Direct Evidence of Conspecificity among Distinct Trophic Morphs. IRV KORNFIELD, DAVID C. SMITH, P. S. GAGNON, AND JEFFREY N. TAYLOR 658
Sea Urchin DNA Sequence Variation and Reduced Interspecies Differences of the Less Varible DNA Sequences. J. W. GRULA, T. J. HALL, J. A. HUNT, T. D. GIUGNI, G. J. GRAHAM, E. H. DAVIDSON, AND R. J. BRITTEN 665
A Multivariate Statistical Analysis of Direct and Correlated Response to Selection in the Rat. WILLIAM R. ATCHLEY, J. J. RUTLEDGE, AND DAVID E. COWLEY 677
Neotenic Evolution of Delphinium nudicaule (Ranunculaceae): A Hummingbird-Pollinated Larkspur. EDWARD O. GUERRANT, JR 699
Evolution of the Seed Plants and Inclusive Fitness of Plant Tissues. MARK WESTOBY AND BARBARA RICE 713
The Roles of Polyembryony and Embryo Viability in the Genetic System of Conifers. FRANK C. SORENSEN 725
Environmental and Genetic Determinants of Cleistogamy in a Natural Population of the Grass Danthonia spicata. KEITH CLAY 734
Experimental Ecological Genetics in Plantago. VII. Reproductive Effort in Populations of P. lanceolata L. RICHARD B. PRIMACK AND JANIS ANTONOVICS 742
Patterns of Seed Dispersal and Population Differentiation in Mimulus guttatus. NICKOLAS M. WASER, ROBERT K. VICKERY, JR., AND MARY V. PRICE 753
When Does Outcrossing Occur in a Mass-Flowering Plant? ANDREW G. STEPHENSON 762
Heterozygosity and Developmental Stability Under Sexual and Asexual Breeding Systems. ROBERT C. VRIJENHOEK AND STEVEN LERMAN 768
First Male Sperm Priority in the Bowl and Doily Spider, Frontinella pyramitela (Walckenaer). STEVEN N. AUSTAD 777
Synchrony in the Lesser Snow Goose (Anser caerulescens caerulescens). II. The Adaptive Value of Reproductive Synchrony. C. SCOTT FINDLAY AND FRED COOKE 786
Adaptation of Gray Squirrel Behavior to Autumn Germination by White Oak Acorns. J. F. Fox 800
Population Synchrony in Mayflies: A Predator Satiation Hypothesis. BERNARD W. SWEENEY AND ROBIN L. VANNOTE 810
A Theoretical Analysis of the Effects of Sex Chromosome Aneuploidy on X and Y Chromosome Meiotic Drive. TERRENCE W. LYTTLE 822
A Condition for Group Selection to Prevail Over Counteracting Individual Selection. KENICHI AOKI 832
Evolutionary History of Drosophila buzzatii. II. How Much has Chromosomal Polymorphism Changed in Colonization? A. FONTDEVILA, A. RUIZ, J. OCANA, AND G. ALONSO 843
Genetic Interactions at a Contact Zone of Uroderma bilobatum (Chiroptera: Phyllostomidae). JOHN C. HAFNER 852
Notes and Comments
The Structure of the Hybrid Zone in Uroderma bilobatum (Chiroptera: Phyllostomatidae). N. H. BARTON 863
Book Reviews
Phylogenetics: The Theory and Practice of Phylogenetic Systematics. WALTER M. FITCH 867
A Twentieth Century Systema Naturae. DOUGLAS J. FUTUYMA 868
An Argumental Heaven. MARTIN TRACEY 869
At Last: The New Falcolner. D. L. HARTL 870
Natural Selection and Social Behavior. H. RONALD PULLIAM 871
Ecological Genetics of Animal Species. OTTO T. SOLBRIG 872
Annoncement 874
Application for Membership 875
Vol. 36 September 1982 No. 5
CONTENTS
Discontinuous DNA Variation in the Evolution of Plant Species: the Genus Lathyrus. R. K. J. NARAYAN 877
Heterodichogamy in Walnuts: Inheritance and Stable Ratios. SCOTT K. GLEESON 892
Intrasexual Selection and the Segregation of Pollen and Stigmas in Hermaphrodite Plants, Exemplified by Wahlenbergia albomarginata (Campanulaceae). DAVID G. LLOYD AND JOCELYN M. A. YATES 903
Body Shape Metrics and Organismal Evolution. LORRAINE M. CHERRY, SUSAN M. CASE, JOSEPH G. KUNKEL, JEFF S. WYLES, AND ALLAN C. WILSON 914
A Study of Reaction Norms in Natural Populations of Drosophila pseudoobscura. ANAND P. GUPTA AND R. C. LEWONTIN 934
Group Selection: Migration and the Differentiation of Small Populations. MICHAEL J. WADE 949
The Genetic Basis of Altitudinal Variation in the Wood Frog Rana sylvatica. I. An Experimental Analysis of Life History Traits. KEITH A. BERVEN 962
An Experimental Study of Evolution in Heterogeneous Environments: Phenological Adaptation by a Bruchid Beetle. GRAHAM A. MARK 984
Survival of Distasteful Insects after being Attacked by Naive Birds: a Reappraisal of the Theory of Aposematic Coloration Evolving Through Individual Selection. CHRISTER WIKLUND AND TORBJORN JARVI 998
Evolutionary Genetics of Birds. VI. A Reexamination of Protein Divergence using Varied Electrophoretic Conditions. CHARLES F. AQUADRO AND JOHN C. AVISE 1003
Allozyme Frequencies in a Linear Series of Song Dialect Populations. MYRON CHARLES BAKER, DANIEL B. THOMPSON, GREGORY L. SHERMAN, MICHAEL A. CUNNINGHAM, AND DIANA F. TOMBACK 1020
Parental Behavior in Lapwings (Charadriidae) and its Relationships with Clutch Sizes and Mating Systems. JEFFREY R. WALTERS 1030
Origin of Thermal Adaptations in Northern versus Southern Populations of a Unisexual Hybrid Fish. ARTHUR J. BULGER AND R. JACK SCHULTZ 1041
Heat Exchange and Endothermy in Protodonata. MICHAEL L. MAY 1051
On Heterozygosity and the Effective Size of Populations Subject to Size Changes. UZI MOTRO AND GLENYS THOMSON 1059
Behavioral Characters for the Higher Classification of Orb-Weaving Spiders. WILLIAM G. EBERHARD 1067
Notes and Comments
Why Asymmetric Mating Preferences May Not Show the Direction of Evolution. G. E. E. MOODIE 1096
Parental Infestment per Offspring by a Specialist Bee: Does It Change Seasonally? KAREN STRICKLER 1098
Book Reviews
Ecology and Genetics: in Search of a Synthesis. RICHARD HARRISON 1101
Dobzhansky's Genetics of Natural Populations. SEWALL WRIGHT 1102
Announcements 1106
Application for Membership 1107
Society Meetings 1108
Vol. 36 November 1982 No. 6
CONTENTS
Perspectives in Evolutionary Theory. G. LEDYARD STEBBINS 1109
Speciation and Macroevolution. ERNST MAYR 1119
The Challenges to Darwinism Since the Last Centennial and the Impact of Molecular Studies. WALTER M. FITCH 1133
A Critical Assessment of Punctuated Equilibria. I. Duration of Taxa. THOMAS J. M. SCHOPF 1144
Genetic Evidence for the Hybrid Origin of the Diploid Plant Stephanomeria diegensis. G. P. GALLEZ AND L. D. GOTTLIEB 1158
Biochemical Population Genetics and Speciation. YU. P. ALTUKHOV 1168
Phenotypic Evolution in a Cretaceous Foraminifer. RICHARD A. REYMENT 1182
Static and Growth Allometry of Morphometric Traits in Randombred House Mice. LARRY LEAMY AND DAVID BRADLEY 1200
The Distribution of Geospiza difficilis in Relation to G. fuliginosa in the Galapagos Islands: Tests of Three Hypotheses. DOLPH SCHLUTER AND PETER R. GRANT 1213
Density Dependent Sexual Selection and Positive Phenotypic Assortative Mating in Natural Populations of the Soldier Beetle, Chauliognathus pennsylvanicus. DENSON KELLY McLAIN 1227
The Impact of Predation on Life History Evolution in Trinidadian Guppies: Genetic Basis of Observed Life History Patterns. DAVID REZNICK 1236
Sex and Variability in the Common Brown Butterfly Heteronympha merope merope (Lepidoptera: Satyrinae). F. KAY PEARSE AND N. D. MURRAY 1251
Niche Breadth and Abundance as Determinants of Genetic Variation in Populations of Mycophagous Drosophillid Flies (Diptera: Drosophilidae). ROBERT C. LACY 1265
Aphid Genotypes, Plant Phenotypes, and Genetic Diversity: A Demographic Analysis of Experimental Data. PHILIP M. SERVICE AND RICHARD E. LENSKI 1276
Population Structure and Evolution in Subterranean Mole Rats. EVIATAR NEVO, GIORA HETH AND AVIGDOR BEILES 1283
Estimates of Fitness in Erodium Populations with Intra- and Interspecific Competition. MARY M. MARTIN AND JAMES HARDING 1290
Breeding Systems and Dispersal-Related Maternal Reproductive Effort of Southern Spanish Bird-Dispersed Plants. CARLOS M. HERRERA 1299
Notes and Comments
Differential Survivorship of Evolving Chromosomal Species of Mole Rats, Spalax: An Unplanned Laboratory Experiment. EVIATAR NEVO, GIORA HETH AND AVIGDOR BEILES 1315
Similarity of Amino Acids in Nectar and Larval Saliva: The Nutritional Basis for Trophallaxis in Social Wasps. JAMES H. HUNT, IRENE BAKER, AND HERBERT G. BAKER 1318
Seed Dispersal and the Evolution of Dioecism in Flowering Plants-A Response to Herrera. K. S. BAWA 1322
Reply to Bawa. CARLOS M. HERRERA 1325
Book Reviews
Like Death and Taxes. JAMES E. RODMAN 1327
Announcement 1235
Society Meetings 1326
Application for Membership 1334
Reviewers of Manuscripts 1331
Education Committee Memo 1330
Subject Index, Volume 36 1332
Table of Contents, Volume 36 i
Vol.37 January No. 1
CONTENTS
Extensive Genetic Variation in Mitochondrial DNA's among Geographic Populations of the Deer Mouse, Peromyscus maniculatus. ROBERT A. LANSMAN, JOHN C. AVISE, CHARLES F. AQUADRO, JOHN F. SHAPIRA, AND SUSAN W. DANIEL 1
Increased Number of Alleles Found in Hybrid Populations Due to Intragenic Recombination. G. B. GOLDING AND C. STROBECK 17
Kinetic and Electrophoretic Differentiation of Lactate Dehydrogenases of Teleost Species-Pairs from the Atlantic and Pacific Coasts of Panama. JOHN GRAVES, RICHARD H. ROSEN- BLATT, AND GEORGE N. SOMERO 30
Chromosome Evolution in the Iguanid Lizard Sceloporiis grammicus. I. Chromosome Polymorphisms. JACK W. SITES, JR. 38
Chromosome Evolution in the Iguanid Lizard Sceloporus grammicus. II. Allozyme Variation. JACK W. SITES, JR. AND IRA F. GREENBAUM 54
Comparative Assessment of Modes of Reproductive Isolation among Four Species of Leopard Frogs (Rana pipiens Complex). JOHN S. FROST AND JAMES E. PLATZ 66
Gene Diversity and Genetic Structure in a Narrow Endemic, Torrey Pine (Pinus torreyana Parry ex Carr.). F. THOMAS LEDIG AND M. THOMPSON CONKLE 79
Macrogeographic Variation in Litter Size in Antichinus (Marsupialia: Dasyuridae). ANDREW COCKBURN, ANTHONY K. LEE, AND ROGER W. MARTIN 86
Sexual Selection and Sexual Dimorphism in Mottled Sculpins. JERRY F. DOWNHOWER, LUTHER BROWN, RONALD PEDERSON, AND GLORIA STAPLES 96
Morphological Differentiation in Wing Venation among Broods of 13- and 17-Year Periodical Cicadas. CHRIS SIMON 104
Sex Ratio Evolution under Local Mate Competition in a Parasitic Wasp. JOHN H. WERREN 116
Competition between High and Low Mutating Strains of Escherichia coli. LIN CHAO AND EDWARD C. COX 125
Resource Partitioning among Genotvpes of Drosophila pseudoobscura. CHARLES E. TAYLOR AND CINDRA CONDRA 135
Host Range Evolution: The Shift from Native Legume Hosts to Alfalfa by the Butterfly, Colias philodice eriphyle. BRUCE E. TABASHNIK 150
Coumarins and Caterpillars: A Case for Coevolution. M. BERENBAUM 163
The Kluge-Kerfoot Phenomenon-A Statistical Artifact. F. JAMES ROHLF, AMY JEAN GILMARTIN, AND GENE HART 180
Testing the Constant-Rate Neutral Allele Model with Protein Sequence Data. RICHARD R. HUDSON 203
Book Review
Little New in the Use of Optimality Theories. F. REED HAINSWORTH 218
Letter to the Editor 219
Society Meetings 179, 220
Announcements 85, 202, 217
Application for Membership 95
Vol. 37 March 1983 No. 2
CONTENTS
Phylogenetic Inference from Restriction Endonuclease Cleavage Site Maps with Particular Reference to the Evolution of Humans and the Apes. ALAN R. TEMPLETON 221
Barriers to Gene Exchange between Cosely Related Cricket Species. I. Laboratory Hybridization Studies. RICHARD G. HARRISON 245
Hybrid Inviability and Predominant Survival of Mating Type Minus Progeny in Laboratory Crosses between Two Closely Related Mating Groups of Closterium ehrenbergii. TERUNOBU ICHIMURA 252
Sexual Selection and Communication in a Neotropical Frog, Physalaemus pustulosus. MICHAEL J. RYAN 261
Genetic Evidence of Outbreeding in the Black-tailed Prairie Dog (Cynomys ludovicianus). DAVID W. FOLTZ AND JOHN L. HOOGLAND 273
Influences of Genetic Variability and Maternal Factors on Fetal Growth in White-tailed Deer. E. GUS COTHRAN, RONALD K. CHESSER, MICHAEL H. SMITH, AND PAUL E. JOHNS 282
Relative Fitnesses of Selfed and Outcrossed Progeny in Gilia achilleifolia (Polemoniaceae). DANIEL J. SCHOEN 292
Patterns and Levels of Genetic Variation in Great Basin Bristlecone Pine, Pinus longaeva. RONALD D. HIEBERT AND J. L. HAMRICK 302
A Steep Cline in Pinus muricata. CONSTANCE I. MILLAR 311
Genetic Variability within and among Populations of the Black-tailed Prairie Dog. RONALD K. CHESSER 320
Genetic Changes at the Transferrin Locus in the Red-backed Vole (Clethrionomys gapperi). STEVE MIHOK, WILLIAM A. FULLER, RAYMOND P. CANHAM, AND EUAN C. MCPHEE 332
High Levels of Phenotypic Variability of Metal and Temperature Tolerance in Paramecium. DENNIS NYBERG AND PATRICIA BISHOP 341
Grasshopper Mandibles and the Niche Variation Hypothesis. BRUCE D. PATTERSON 375
Determinants of Multiple Host Use by a Phytophagous Insect Population. MICHAEL C. SINGER 389
Enamel-like Antigens in Hagfish: Possible Evolutionary Significance. H. C. SLAVKIN, EDWARD GRAHAM, MARGARITA ZEICHNER-DAVID, AND WILLIAM HILDEMANN 404
Notes and Comments
Frequency-dependent Mating? DAVID J. MERRELL 413
Differences between Generations in the Sex Ratio of Aculeate Hymenoptera. H. V. DANKS 414
Problems in the Use of Genetic Similarity to Show Relatedness. ORLANDO A. SCHWARTZ AND KENNETH B. ARMITAGE 417
Testing the Female Mimicry Hypothesis of Delayed Plumage Maturation: A Comment on Procter-Gray and Holmes, SIEVERT ROHWER 421
The Mating System of the Terrestrial Slug Deroceras laeve. RICHARD J. HOFFMAN 423
Book Reviews
Plant Speciation: The Classical Approach. WARREN H. WAGNER, JR 426
A Big Book on Sex. DAVID SLOAN WILSON AND SCOTT K. GLEESON 428
Evolution for the Tyro. JERRY A. COYNE 431
Darwinism: Love It or Leave It. JEFFREY S. LEVINTON 432
Application for Membership 291
Society Meetings 412, 436
Dobzhansky Prize: Application Information 435
Vol. 37 May 1981 No. 3
CONTENTS
Clonal Diversity and Population Structure in a Reef-Building Coral, Acropora cervicornis: Self-Recognition Analysis and Demographic Interpretation. JOSEPH E. NEIGEL AND JOHN C. AVISE 437
Multilocus Clines. N. H. BARTON 454
Temporal Stability of Lactate Dehydrogenase-A Clines of the High Cockscomb, Anoplarchus purpurescens. CLAY SASSAMAN, RONALD M. YOSHIYAMA AND JOAN D. S. DARLING 472
A Population Genetical Study of the African Mosquito Anopheles marshallii (Theobald). DAVID M. LAMBERT 484
Variation in Development Patterns of Larval Anurans in Temporary Ponds. I. Persistent Variation within a Hyla gratiosa population. JOSEPH TRAVIS 496
Genetic and Environmental Determinants of Wing Polymorphism in the Waterstrider Limnoporus canaliculatus. ANTHONY J. ZERA, DAVID J. INNES AND MARGARET E. SAKS 513
Breeding System and Habitat Effects on Fitness Components in Three Neotropical Costus (Zingiberaceae). DOUGLAS W. SCHEMSKE 523
Intraspecific Genetic Variation and Haplodiploidy, Eusociality, and Polygyny in the Hymenoptera. RUDI C. BERKELHAMER 540
The Accumulation of Genetic Variation in a Parthenogenetic Snail. JAMES A. STODDART 546
Distribution of Sexual and Apomictic Populations of Antennaria parlinii. RANDALL J. BAYER AND G. LEDYARD STEBBINS 555
An Electrophoretic Study of Evolution in Capsicum (Solanaceae). MICHAEL J. McLEOD, SHELDON I. GUTTMAN, W. HARDY ESHBAUGH AND RICHARD E. RAYLE 562
An Immigration-Hybridization Episode in Phlox. DONALD A. LEVIN 575
Interspecific Hybridization and Genetic Divergence in Milkweed Bugs (Oncopeltus: Hemiptera: Lygaeidae). JAMES F. LESLIE AND HUGH DINGLE 583
Hybrid Origin of Polyploidy in Freshwater Snails of the Genus Bulinus (Mollusca: Planorbidae). MICHAEL A. GOLDMAN, PHILIP T. LOVERDE AND C. LARRY CHRISMAN 592
A Natural Experiment in Life-History Evolution: Field Data on the Introduction of Mosquitofish (Gambusia affinis) to Hawaii. STEPHEN C. STEARNS 601
The Genetic Basis of Differences in Life-History Traits Among Six Populations of Mosquitofish (Gambusia affinis) that Shared Ancestors in 1905. STEPHEN C. STEARNS 618
Role of Constitutive Heterochromatin in Evolutionary Divergence: Results of Chromosome Banding and Condensation Inhibition Studies in Mus musculus, Mus booduga and Mus dunni. S. SEN AND T. SHARMA 628
Ecological Genetics of Daphnia pulex. MICHAEL LYNCH 636
Notes and Comments
Quantitative Genetic Response to Environmental Heterogeneity in Tribolium confusum. DAVE F. ZIRKLE AND RUSSEL A. RIDDLE 637
Selection Components Affecting Hemoglobins in Peromyscus maniculatus: a Re-Evaluation. LEE R. G. SNYDER 639
Gametic Selection and Hemoglobin Polymorphisms in Peromyscus maniculatus: a Rejoinder. JOSEPH H. NADEAU AND RAMONE BACCUS 642
A Case of Stress Related Heterozygote Superiority in Nature. PAUL B. SAMOLLOW AND MICHAEL E. SOULE 646
Reproductive Isolation in Sonoran Desert Drosophila. THERESE A. MARKOW, JAMES C. FOGLEMAN AND WILLIAM B. HEED 649
A Cost of Reproduction in a Terrestrial Isopod. MICHAEL S. BRODY, MICHAEL H. EDGAR AND LAWRENCE R. LAWLOR 653
Announcements 453, 512
Application for Membership 582
Erratum 636
Society Meetings 574, 656
Vol. 37 July 1983 No. 4
CONTENTS
Chemical Evolution and Chemosystematics of the Dufour's Gland Secretions of the Lactone-producing Bees (Hymenoptera: Colletidae, Halictidae, and Oxaeidae). JAMES H. CANE 657
Genetic Distance and Evolutionary Relationships in the Drosophila obscura Group. V. M. CABRERA, A. M. GONZALEZ, J. M. LARRUGA, AND A. GULLON 675
Genic Variation and Differentiation of Remnant Natural Populations of the Desert Pupfish, Cyprinodon macularius. BRUCE J. TURNER 690
An Estimate of the Relative Opportunities for Natural and Sexual Selection in a Population of Milkweed Beetles. DAVID E. MCCAULEY 701
Interspecific Variation in the Size of the Nutrient Investment Made by Male Butterflies During Copulation. RONALD L. RUTOWSKI, MARK NEWTON, AND JOHN SCHAEFER 708
Multiple Mating and Female Fitness in Drosophila pseudoobscura. MONTE E. TURNER AND WYATT W. ANDERSON 714
Genetic and Environmental Components of Clutch Size Variance in a Wild Population of Lesser Snow Geese (Anser caerulescens caerulescens). C. SCOTT FINDLAY AND FRED COOKE 724
Self-incompatibility in Central American Heliconia. W. JOHN KRESS 735
Male Fertility and Anisoplethic Population Structure in Tristylous Pontederia cordata (Pontederiaceae). SPENCER C. H. BARRETT, STEVEN D. PRICE, AND JOEL S. SHORE 745
Contrasting Gene Flow Patterns and Genetic Subdivision in Adjacent Populations of Cucumis sativus (Cucurbitaceae). STEVEN N. HANDEL 760
Evolution of an All-female Fish, Menidia clarkhubbsi (Atherinidae). ANTHONY A. ECHELLE, ALICE F. ECHELLE, AND CARL D. CROZIER 772
Reduction of Gene Flow Due to the Partial Sterility of Heterozygotes for a Chromosome Mutation. I. Studies on a "Neutral" Gene not Linked to the Chromosome Mutation in a
Two Population Model. FRANCO SPIRITO, CARLA ROSSI, AND MARCO RIZZONI 785
Clonal Diversity and Evolutionary Dynamics in a Diploid Breeding Complex of Unisexual Fishes (Poecilia). BRUCE J. TURNER, JOSEPH S. BALSANO, PAUL J. MONACO, AND ELLEN M. RASCH 798
A Coadapted Trophic Niche in Two Species of Crustaceae (Isopods): Asellus aquaticus (L.) and Proasellus coxalis Dolff. LORETO ROSSI, ALBERTO BASSET, AND LOREDANA NOBILE 810
Convergence of Ecological Processes Between Independently Evolved Competitive Dominants: a Tunicate-mussel Comparison. R. T. PAINE AND T. H. SUCHANEK 821
Pattern and Chance in the Structure of Model and Natural Communities. TED J. CASE AND RON SIDELL 832
Notes and Comments
Polymorphism of Alcohol Dehydrogenase (ADH) in a Winery Cellar Population of Drosophila melanogaster: Gene Frequency Association with Temperature and Genotypic Differences in Progeny Production. STEPHEN W. McKECHNIE AND JOHN A. McKENZIE 850
On the Relationship Between Average Copulation Duration and Insemination Reaction in the Genus Drosophila. BRUCE GRANT 854
Unorthodoxies in the First Formulation of Natural Selection. STEPHEN JAY GOULD 856
Book Reviews
Solution in Search of a Problem. WALTER F. EANES 859
Mapping Genes to Phenotypes, or the Rules that Generate Form. PERE ALBERCH 861
Disease and Evolution. JAMES F. CROW 863
Biology of Cave Organisms. JAMES H. BROWN 865
Biogeographical Theory. DONALD R. STRONG 867
A History of Biology: Diversity, Evolution, Inheritance. MALCOLM JAY KOTTLER 868
The Economics of Sex. JOHN MAYNARD SMITH 872
Announcements 744, 874, 875
Erratum 849
Application for Membership 876
Vol. 37 September 1983 No. 5
CONTENTS
The Heritability of External Morphology in Darwin's Ground Finches (Geospiza) on Isla Daphne Major, Galapagos. PETER T. BOAG 377
Quantitative Genetics of Development: Genetic Correlations among Age-specific Trait Values and the Evolution of Ontogeny. JAMES M. CHEVERUD, J. J. RUTLEDGE, AND WILLIAM R. ATCHLEY 895
Morphological Variation in the Neotropical Salamander Genus Bolitoglossa. PERE ALBERCH 906
Continental Patterns of Morphological Variation in a South American Sparrow. PAUL HANDFORD 920
Structural Relationships between Spines and Lateral Plates in Threespine Stickleback (Gasterosteus aculeatus). T. E. REIMCHEN 931
Breeding System, Genetic Variability, and Response to Selection in Plectritis (Valerianaceae). KEN CAREY 947
Pollen-Pistil Relationships in the Polemoniaceae. UZI PLITMANN AND DONALD A. LEVIN 957
The Influence of Paleozoic Ovule and Cupule Morphologies on Wind Pollination. KARL J. NIKLAS 968
Sexual Selection in the Lovebug, Plecia nearctica: the Role of Male Choice. CRAIG S. HIEBER AND JAMES A. COHEN 987
The Evolution of Aposematic Coloration in Distasteful Prey: an Individual Selection Model. BIRGITTA SILLEN-TULLBERG AND EDWIN H. BRYANT 993
A Comparison of Theoretical and Electrophoretic Assessments of Genetic Structure in Populations of the House Sparrow (Passer domesticus). ROBERT C. FLEISCHER 1001
Genetic Differentiation within Subdivided Populations of Formica Ants. PEKKA PAMILO 1010
Genetic Variation for Host Preference within and among Populations of Drosophila tripunctata. JOHN JAENIKE AND DAVID GRIMALDI 1023
DNA/DNA Hybridization Studies of Muroid Rodents: Symmetry and Rates of Molecular Evolution. ELISE BROWNELL 1034
Larval Adaptations and Patterns of Brachiopod Diversity in Space and Time. JAMES W. VALENTINE AND DAVID JABLONSKI 1052
The Role of Body Size in the Assembly of West Indian Bird Communities. TED J. CASE, JOHN FAABORG, AND RON SIDELL 1062
Homage to Santa Anita: Thermal Sensitivity of Sprint Speed in Agamid Lizards. PAUL E. HERTZ, RAYMOND B. HUEY, AND EVIATAR NEVO 1075
Notes and Comments
A Pitfall in Using Painted Insects in Studies of Protective Coloration. G. P. WALDBAUER AND J. G. STERNBURG 1085
Costs of Thermoregulation in Adult Pinnipeds. RAYMOND PIEROTTI AND DAVID PIEROTTI 1087
Why are Juveniles Smaller than Their Parents? NORMAN C. ELLSTRAND 1091
Book Reviews
Biology, Culture, and Punctuationism. MATT CARTMILL 1095
Dealing with Creationism. DUANE E. JEFFERY 1097
Application for Membership 1033
Vol. 37 November 1983 No. 6
CONTENTS
Genetic Basis of Differences in Genital Morphology among Three Sibling Species of Drosophila. JERRY A. COYNE 1101
Genetic Differentiation During Speciation in the Helianthus debilis Complex. RICHARD P. WAIN 1119
Molecular Variation in Insular Endemic Drosophila Species of the Macaronesian Archipelagos. A. M. GONZALEZ, V. M. CABRERA, J. M. LARRUGA, AND A. GULLON 1128
A Molecular Phylogenetic Perspective on the Origins of a Lowland Tropical Salamander Fauna. II. Patterns of Morphological Evolution. ALLAN LARSON 1141
Quantitative Analysis of Karyotype Alteration and Species Differentiation in Mammals. HIROTAMI T. IMAI 1154
A Simple Mendelian Model for 13- and 17-Year Life Cycles of Periodical Cicadas, with Historical Evidence of Hybridization between Them. MONTE LLOYD, GENE KRITSKY, AND CHRIS SIMON 1162
Temperature Effects on Life History Variation in Drosophila simulans. P. A. MURPHY, J. T. GIESEL, AND M. N. MANLOVE 1181
The Inheritance of Quantitative Fitness Traits in Guppies, Poecilia reticulata (Pisces: Peociliidae). JAMES A. FARR 1193
The Measurement of Selection on Correlated Characters RUSSELL LANDE AND STEVAN J. ARNOLD 1210
The Relation of Growth to Heterozygosity in Pitch Pine. F. THOMAS LEDIG, RAYMOND P. GURIES, AND BARBARA A. BONEFELD 1227
Gene Flow Distances in Natural Populations of Tetraopes tetraophthalmus. DAVID E. MCCAULEY 1239
Density-Dependent Pollinator Foraging, Flowering Phenology, and Temporal Pollen Dispersal Patterns in Linanthus bicolor. JOHANNA SCHMITT 1247
Pollen Dispersal by Hummingbirds and Butterflies: a Comparative Study of Two Lowland Tropical Plants. C. J. WEBB AND K. S. BAWA 1258
Floral Variation and Sexual Differentiation in Muntingia calabura (Elaeocarpaceae), a Species with Hermaphrodite Flowers. K. S. BAWA AND C. J. WEBB 1271
Mating Behavior and the Evolution of Drosophila mauritiana. HUGH M. ROBERTSON 1283
Behavioral Reproductive Isolation among Populations of the Rotifer Brachionus plicatilis. TERRY W. SNELL AND CRAIG A. HAWKINSON 1294
Rare Male Mating Disadvantage in Drosophila melanogaster. JEROME R. PETERSON AND DAVID J. MERRELL 1306
Notes and Comments
Sexual Reproduction: an Adaptation Reducing Parent-Offspring Contagion. WILLIAM R. RICE 1317
Book Reviews
The Developmental Genetic Basis of Organismal Evolution. DOUGLAS R. CAVENER 1321
A Unique Approach to the Evolution of Sex. DAVID E. MCCAULEY 1323
Current Problems in Sociobiology: an Adaptationist Review. MARY JANE WESTEBERHARD 1325
Announcements 1153, 1180, 1192, 1238
Application for Membership 1327
Reviewers of Manuscripts 1337
Change of Editor 1118
Society Meetings 1320
Subject Index, Volume 37 1328
Table of Contents, Volume 37
Vol. 38 January 1984 No. 1
CONTENTS
Ontogeny and Phylogeny in Horse Skull Evolution. LEONARD RADINSKY 1
Distance Methods for Inferring Phylogenies: a Justification. JOSEPH FELSENSTEIN 16
An Apparent Disjunction Between the Evolution of Form and Substance in the Genus Tetrahymena. NORMAN E. WILLIAMS 25
A Comparison Between Quantitative and Biochemical Variation in the Wild Barley Hordeum murinum. BARBARA E. GILES 34
Conditional Neutrality of Polygene Effects. FRED B. SCHNEE AND JAMES N. THOMPSON, JR 42
Static and Evolutionary Allometry of Osteometric Traits in Selected Lines of Rats. LARRY LEAMY AND WILLIAM ATCHLEY 47
Genetic Divergence Under Uniform Selection. 1. Similarity Among Populations of Drosophila melanogaster in Their Responses to Artificial Selection for Modifiers of ciD. FREDERICK M. COHEN 55
Evidence for Selective Fruit Production in Asclepias. SUSAN STONE BOOKMAN 72
On the Evolution of Parthenogenesis: a Genetic Representation of the "Cost of Meiosis." MARCY K. UYENOYAMA 87
Experimental Studies of the Evolutionary Significance of Sexual Reproduction. I. A Test of the Frequency-Dependent Selection Hypothesis. JANIS ANTONOVICS AND NORMAN C. ELLSTRAND 103
Inbreeding Depression and Proximity-Dependent Crossing Success in Phlox drummondii. DONALD A. LEVIN. 116
Changes in Corolla Color and Other Horal Characteristics in Cryptantha humilis (Boraginaceae): Cues to Discourage Pollinators? BRENDA B. CASPER AND TIMOTHY R. LA PINE 128
Kin-Recognition and the Spatial Distribution of Larvae of the Bryozoan Bugula neritina (L.). MICHAEL J. KEOUGH 142
Deferred Reproduction as a Response to Sexual Selection in a Coral Reef Fish: a Test of the Life Historical Consequences. ROBERT R. WARNER 148
Distributional and Ecological Differentiation Between Asexual Gynogenetic Planthoppers and Related Sexual Species of the Genus Muellerianella (Homoptera, Delphacidae). C. J. H. BOOIJ AND J. A. GULDEMOND 163
Histocompatibility in Hawaiian and Polynesian Populations of the Parthenogenetic Gecko Lepidodactylus lugubris. ORLANDO CUELLAR 176
The Genetic Structure of a Cyclical Parthenogen. MICHAEL LYNCH 186
Fighting and Assessment in Harpohittacus Scorpionflies. RANDY THORNHILL 204
Notes and Comments
Genetic Evidence for Allopatric and Sympatric Differentiation Among Color Morphs of a Lake Malawi Cichlid Fish. K. R. McKAYE, T. KOCHER, P. REINTHAL, R. HARRISON, AND I. KORNFIELD 215
Long-Term Maintenance of Size Variation in Populations of Centris pallida (Hymenoptera: Anthophoridae). JOHN ALCOCK 220
Genetic Variation and Divergence in a Disjunct Phlox. DONALD A. LEVIN 223
Book Reviews
Biological Interactions. PAUL R. EHRLICH 226
Biogeographic Roots. ARTHUR C. GIBSON 228
The Rebirth of Biogeography. S. DAVID WEBB 229
Announcement 115
Application for Membership 231
Society Meetings 232
Evolution Society News 232
Vol. 38 March 1984 No. 2
CONTENTS
Primary and Secondary Transition Zones in Speciation and Population Differentiation: a Phylogenetic Analysis of Range Expansion. R. S. THORPE 233
Coding Morphometric Characters for Constructing Distance Wagner Networks. R. S. THORPE 244
Female-Biased Sex Ratios in Social Insects Lacking Morphological Castes. JOAN E. STRASSMANN 256
Adaptive Significance of Delayed Plumage Maturation in Male Northern Orioles. NANCY J. FLOOD 267
Life History Variation in a Freshwater Copepod: Evidence from Population Crosses. J. DAVID ALLAN 280
Life History Adaptation to Demographic Regime in Laboratory- Cultured Tisbe furcata (Copepoda, Harpacticoida). MARC BERGMANS 292
Measuring the Cost of Reproduction. I. The Correlation Structure of the Life Table of a Plankton Rotifer. GRAHAM BELL 300
Measuring the Cost of Reproduction. II. The Correlation Structure of the Life Tables of Five Freshwater Invertebrates. GRAHAM BELL 314
Sexual Selection on Body Size, Territory and Plumage Variables in a Population of Darwin's Finches. TREVOR D. PRICE 327
Annual Variation of Survival Advantage of Large Juvenile Side-Blotched Lizards, Uta stansburiana: Its Causes and Evolutionary Significance. GARY W. FERGUSON AND STANLEY F. FOX 342
Evolution in a Seasonal Environment: Simplicity Lost? ALAN HASTINGS 350
Evolutionary Landscapes for Complex Selection. JAMES W. CURTSINGER 359
Heritability Estimates for Age and Length at Maturity in Two Populations of Mosquitofish that Shared Ancestors in 1905. STEPHEN C. STEARNS 368
Morphological Variation in Frog Pectoral Girdles: Testing Altematives to a Traditional Adaptive Explanation. SHARON B. EMERSON 376
Genic Diversity and Population Genetic Structure of Triturus vulgaris (Urodela, Salamandridae). M. L. KALEZIC AND N. TUCIC. 389
Direct Evidence that the Ilyodon Morphs are a Single Biological Species. THADDEUS A. GRUDZIEN AND BRUCE J. TURNER 402
Evolutionarily Stable Reproductive Allocations in Heterostylous Plants. PETER D. TAYLOR 408
Mutational Load in Clonal Plants: a Study of Two Fern Species. EDWARD J. KLELOWSKI, JR 417
Differences in Fitness Between Seedlings Derived from Cleistogamous and Chasmogamous Flowers in Impatiens capensis. DONALD M. WALLER 427
Notes and Comments
Is a Jack-of-All-Temperatures a Master of None? RAYMOND B. HUEY AND PAUL E. HERTZ 441
Allozymes and Song Dialects: a Reassessment. ROBERT M. ZINK AND GEORGE F. BARROWCLOUGH 444
Reply to "Allozymes and Song Dialects: a Reassessment." MYRON CHARLES BAKER, ANN E. M. BAKER, MICHAEL A. CUNNINGHAM, DANIEL B. THOMPSON, AND DIANA F. TOMBACK 449
Increased Density Does Not Increase Remating Frequency in Laboratory Populations of Drosophila melanogaster. MARK H. GROMKO AND PAMELA D. GERHART 451
A Comparison of Electrophoretic and Morphometric Variability in the Face Fly, Musca autumnalis. EDWIN H. BRYANT 455
Book Reviews
Molecular Evolution: the Coming of Age. MICHAEL T. CLEGG 459
Promethean Fire: Reflections on the Origin of Mind. LAWRENCE B. SLOBODKIN 461
Interaction and Coevolution. HENRY F. HOWE 463
Announcements 255, 279, 458
Society Meetings 464
Application for Membership 407
Vol. 38 May 1984 No.3
CONTENTS
The Limits to Life History Evolution in Daphnia. MICHAEL LYNCH 465
Life History Traits and Natural Selection for Small Body Size in a Population of Darwin's Finches. TREVOR D. PRICE AND PETER R. GRANT 483
Can Uniform Selection Retard Random Genetic Divergence Between Isolated Conspecific Populations? FREDERICK M. COHAN 495
Still Another Attempt to Achieve Assortative Mating by Disruptive Selection in Drosophila. ELIOT B. SPIESS AND CHARLES M. WILKE 505
Artificial Selection on a Fitness-Component in Drosophila melanogaster. MICHAEL R. ROSE 516
Quantitative Genetic Analysis of Temperature Regulation in Mus musculus. II. Diallel Analysis of Individual Traits. CAROL BECKER LYNCH AND D. S. SULZBACH 527
Quantitative Genetic Analysis of Temperature Regulation in Mus musculus. III. Dialiel Analysis of Correlations Between Traits. D. S. SULZBACH AND CAROL BECKER LYNCH 541
Measurement of the Relative Importance of Individual Selection and Kin Selection Among Females of the Genus Macaca. JOAN B. SILK 553
Cohort Selection. DAVID B. MERTZ, DAVID M. CRAIG, MICHAEL J. WADE, AND JOHN F. BOYER 560
The Effect of Mutagenesis on Competitive Ability in Drosophila. ELLEN M. WIJSMAN 571
Tradeoffs in Performance on Different Hosts: Evidence from Within- and Between-Site Variation in the Beetle Deloyala guttata. MARK D. RAUSHER 582
The Evolution of Habitat Preference in Subdivided Populations. MARK D. RAUSHER 596
The Evolution of Cooperative Breeding by Delayed Reciprocity and Queuing for Favorable Social Positions. R. HAVEN WILEY AND KERRY N. RABENOLD 609
Ecological Causes of Sexual Dimorphism. MONTGOMERY SLATKIN 622
Queen-Worker Conflict and Eusocial Evolution in a Polygynous Ant Species. JOAN M. HERBERS 631
Origin and Expression of an Alcohol Dehydrogenase Gene Duplication in the Genus Drosophila. PHILIP BATTERHAM, GEOFFREY K. CHAMBERS, WILLIAM T. STARMER, AND DAVID T. SULLIVAN 644
Estimation of the Rate of Glycerol 3-Phosphate Dehydrogenase Evolution in Higher Vertebrates. ROBERT A. BALLAS, JOHN S. GARAVELLI, AND HAROLD B. WHITE III 658
Lateral Plate Morph Variation in Califomia Populations of the Threespine Stickleback, Gasterosteus aculeaius. JEFFREY V. BAUMGARTNER AND MICHAEL A. BELL 665
Genetic Structure and Change in Natural Populations of Drosophila robusts: Systematic Inversion and Inversion Association Frequency Shifts in the Great Smoky Mountains. WILLIAM J. ETGES 675
Notes and Comments
The Nature of Genetic Variation for Species Formation. MICHAEL B. COULTHART, LORENZ R. RHOMBERG. AND RAMA S. SINGH. 689
Frequency-Dependent Mating? Yes. An Answer to D. J. Merrell. CLAUDINE PETIT 692
Frequency-Dependent Selection Arising from Inappropriate Fitness Estimation. GONZALO ALVAREZ, MAURO SANTOS, AND CARLOS ZAPATA 696
A Comment on Fitness Estimation. FREDDY BRUCE CHRISTIANSEN 699
On the Measurement of Total and Sexual Selection: a Reply to Christiansen.GONZALO ALVAREZ, MAURO SANTOS, AND CARLOS ZAPATA 701
Book Reviews
Drosophila of the Desert. JOHN JAENIKE 703
Revenge of the Ugly Duckling. MARK KIRKPATRICK 704
The Evolution of Insect Mating Systems. MICHAEL J. WADE 706
Announcements . 482, 630, 643
Erratum 552
Evolution Society Meetings 674
Application for Membership 702
Vol. 38 July 1984 No. 4
CONTENTS
On the Measurement of Natural and Sexual Selection: Theory. STEVAN J. ARNOLD AND MICHAEL J. WADE 709
On the Measurement of Natural and Sexual Selection: Applications. STEVAN J. ARNOLD AND MICHAEL J. WADE 720
Sex Chromosomes and the Evolution of Sexual Dimorphism. WILL]AM R. RICE 735
The Expected Fixation Rate of Chromosomal Inversions. RUSSELL LANDE 743
Evolutionary Change of the Chromosomal Polymorphism in Drosophila melanogaster Populations. YUTAKA INOUE, TAISHU WATANABE, AND TAKAO K. WATANABE 753
Evolution by Yin Selection: A Quantitative Genetic Model Illustrated by Maternal Performance in Mice. JAMES M. CHEVERUD 766
Inbreeding and the Evolution of Altruism Under Kin Selection: Effects on Relatedness and Group Structure. MARCY K. UYENOYAMA 778
Influence of Flower Color Polymorphism on Genetic Transmission in a Natural Population of the Common Morning Glory, Ipomoea purpurea. BARBARA A. BROWN AND MICHAEL T. CLEGG 796
The Evolution of Self-Pollination in Granite Outcrop Species of Arenaria (Caryophyllaceae). I. Morphological Correlates. ROBERT WYATT 804
Population Structure and Local Selection in Impatiens pallida (Balsaminaceae), a Selfing Annual. DOUGLAS W. SCHEMSKE 817
The Effects of Individual Variation in Physiological and Morphological Traits on the Reproductive Capacity of the Common Cocklebur, Xanthium strumarium L. MARTIN J. LECHOWICZ 833
The Comparison of Phenotypic Plasticity and Genetic Variation in Populations of the Grass Danthonia spicata. SAMIJEL M. SCHEINER AND CHARLES J. GOODNIGHT 845
Ecological Correlates of Morphological Evolution in a Darwin's Finch, Geospiza difficilis. DOLPH SCHLUTER AND PETER R. GRANT 856
Coevolution in Ecosystems: Red Queen Evolution or Stasis? NILS CHR. STENSETH AND J. MAYNARD SMITH 870
The Quantitative Genetics of Polyphagy in an Insect Herbivore. I. Genotype-Environment Interaction in Larval Performance on Different Host Plant Species. SARA VIA 881
The Quantitative Genetics of Polyphagy in an Insect Herbivore. II. Genetic Correlations in Larval Performance Within and Among Host Plants. SARA VIA 896
Genetic Changes Coinciding with the Colonization of California by the Walnut Husk Fly Rhagoletis completa. STEWART H. BERLOCHER 906
Erratum 795
Application for Membership 895
Eulogy, Thomas Schopf 919
Vol. 38 September 1984 No. 5
CONTENTS
Morphological and Phylogenetic Relations Among the Darwin's Finches. DOLPH SCHLUTER 921
Characterization of Mitochondrial DNA Variability in a Hybrid Swarm between Subspecies of Bluegill Sunfish (Lepomis macrochirus). JOHN C. AVISE, ELDREDGE BERMINGHAM, Louis G. KESSLER, AND NANCY C. SAUNDERS 931
Population Structure in Black Flies: Allozymic and Morphological Estimates for Prosimulium mixtum and P. fuscum (Diptera: Simuliidae). THOMAS P. SNYDER AND MARY C. LINTON 942
Interactions between the Amylase and Adipose Chromosomal Regions of Drosophila melanogaster. ANDREW G. CLARK AND WINIFRED W. DOANE. 957
Sperm Predominance among Drosophila pseudoobscura karyotypes. MONTE E. TURNER AND WYATT ANDERSON 983
Selection for Delayed Senescence in Drosophila melanogaster. LEO S. LUCKINBILL, ROBERT ARKING, MICHAEL G. CLARE, WILLIAM C. CIROCCO, AND STEVEN A. BUCK 996
Laboratory Evolution of Postponed Senescence in Drosophila melanogaster. MICHAEL R. ROSE 1004
Sexual Selection and Sexual Differences in Mormon Crickets (Orthoptera: Tettigoniidae, Anabrus simplex). DARRYL T. GWYNNE 1011
Differences in Survivorship, Development Rate and Fertility between the Longwinged and Wingless Morphs of the Waterstrider, Limnoporus canaliculatus. ANTHONY J. ZERA 1023
The Manifestation of Phenotypic Selection at Constituent Loci. I. Stabilizing Selection. R. B. CAMPBELL 1033
Changes in Group-Selected Traits that Occur when Group Selection is Relaxed. MICHAEL J. WADE 1039
Group Selection: the Interaction of Local Deme Size and Migration in the Differentiation of Small Populations. MICHAEL J. WADE AND DAVID E. McCAULEY 1047
Natural Selection in Experimental Populations of Reef-Building Corals (Scleractinia). D. C. POTTS 1059
Dynamics of Morphological Differentiation: Temporal Impact of Gene Flow in Pocket Gopher Populations. MARGARET F. SMITH AND JAMES L. PATTON 1079
Brain Size, Adaptation and Heterochrony in Geomyoid Rodents. MARK S. HAFNER AND JOHN C. HAFNER 1088
On the Evolutionary Reversal of Competitive Dominance. CRAIG M. PEASE 1099
Molecular Evolution over the Mutational Landscape. JOHN H. GILLESPIE 1116
Outcrossing and Pollinator Limitation of Fruit Set: Breeding Systems of Neotropical Inga Trees (Fabaceae: Mimosoideae). SUZANNE KOPTUR 1130
Notes and Comments
Possible Prezygotic Reproductive Isolation in Sea Urchins Separated by the Isthmus of Panama. H. A. LESSIOS 1144
Pollen-Ovule Ratios and Hermaphrodite Sexual Allocation Strategies. DAVID C. QUELLER 1148
Population Density, Outcrossing Rate, and Heterozygote Superiority in Ponderosa Pine. MICHAEL A. FARRIS AND JEFFRY B. MITTON 1151
Bird Versus Mammal Morphological Diversity. MARK S. HAFNER, J. V. REMSEN, JR., AND SCOTT M. LANYON 1154
Morphological Distance: an Encounter between Two Perspectives in Evolutionary Biology. A. C. WILSON, J. G. KUNKEL, AND J. S. WYLES 1156
Book Reviews
Development and Evolution: a Report. JOSEPH FRANKEL 1160
Evolution of Sex Determining Mechanisms: a Review of Fact and Theory. DONALD H. FEENER, JR 1163
Dobzhansky Prize Awarded 995
Application for Membership 1058
Vol. 38 November 1984 No. 6
CONTENTS
A Quantitative Genetic Analysis of Brain and Body Size Associations, their Origin and Ontogeny: Data from Mice. WILLIAM R. ATCHLEY, BRUCE RISKA, LUCI A. P. KOHN, A. ALISON PLUMMER, AND J. J. RUTLEDGE 1165
Insensitivity of Brain Growth to Selection of Four-Week Body Mass in Japanese Quail. ROBERT E. RICKLEFS AND HENRY L. MARKS 1180
Reaction Norms of Development Rate among Diploid Clones of the Parthenogenetic Cockroach Pycnoscelus surinamensis. E. DAVIS PARKER, JR 1186
Evolution in a Paedomorphic Lineage. I. An Electrophoretic Analysis of the Mexican Ambystomatid Salamanders. H. BRADLEY SHAFFER 1194
Evolution in a Paedomorphic Lineage. II. Allometry and Form in the Mexican Ambystomatid Salamanders. H. BRADLEY SHAFFER 1207
The Genus: a Macroevolutionary Problem. CLIFF A. LEMEN AND PATRICIA W. FREEMAN 1219
Speciation in the Genus Crimia (Anura: Myobatrachidae) in Southem Australia: a Phylogenetic Analysis of Allozyme Data Supporting Endemic Speciation in Southwestern Australia. WILLIAM BARENDSE 1238
Disruptive Selection on Habitat Preference and the Evolution of Reproductive Isolation: a Simulation Study. WILLIAM R. RICE 1251
The Effect of Experimental Design on Female Receptivity to Remating and its Impact on Reproductive Success in Drosophila malanogaster. MARY ELLEN A. NEWPORT AND MARK H. GROMKO 1261
Sperm Dependence of Female Receptivity to Remating in Drosophila melanogaster. MARK H. GROMKO, MARY ELLEN A. NEWPORT, AND MARIA G. KORTIER 1273
A Quantitative Genetic Model for the Origin of Mating Preferences. I. LORRAINE HEISLER 1283
Mating-Temperature Range in Drosophila. EDGAR M. SCHNEBEL AND JOSEPH GROSSFIELD 1296
The Genetic Consequences of Contrasting Breeding Systems in Plectritis (Valerianaceae). CHARLES R. LAYTON AND FRED R. GANDERS 1308
Gynodioecy in Plantago lanceolata L. IV. Fitness Components of Sex Types in Different Life Cycle Stages. JOS M. M. VAN DAMME AND WILKE VAN DELDEN 1326
On the Evolution of Embryo Abortion in the Herbaccous Perennial Cryptantha flava. BRENDA B. CASPER 1337
Temporal Shifts in Gene Row and Seed Set: Evidence from an Experimental Population of Cucumis sativus. STEVEN N. HANDEL AND JUDITH LE VIE MISHKIN 1350
Estimating F-Statistics for the Analysis of Population Structure. B. S. WEIR AND C. CLARK COCKERHAM 1358
Pattern Beneath the Chaos: the Effect of Recruitment on Genetic Patchiness in an Intertidal Limpet. MICHAEL S. JOHNSON AND ROBERT BLACK 1371
Faunal Tumover and Development of Fossil Avifaunas in South America. FRANCOIS VUILLEUMIER 1384
Notes and Comments
Dispersal Rates of Species of the Drosophila obscura Group: Implications for Population Structure. CHARLES E. TAYLOR, JEFFREY R. POWELL, VLADIMIR KEKIC, MARKO ANDJELKOVIC, AND HANS BURLA 1397
Forthcoming Meetings 1336
Application for Membership 1403
Reviewers of Manuscripts 1405
Subject Index, Volume 38 1404
Table of Contents, Volume 38 i