Contents of Volume 41
ABRAMS, PETER A. Alternative models of character displacement and niche shift. 1. Adaptive shifts in resource use when there is competition for nutritionally nonsubstitutable resources ...651
ANDERSON, ELAINE. Great American biotic interchange. (review) ...684
ANXOLABtHtRE, D., H. BENES, D. NOUAUD, AND G. PERIQUET. Evolutionary steps and transposable elements in Drosophila melanogaster: The missing RP type obtained by genetic transformation ...846
ASHLEY, MARY, AND CHRISTOPHER WILLS. Analysis of mitochondrial DNA polymorphisms among Channel Island deer mice ...854
ATCHLEY, WILLIAM R. Developmental quantitative genetics and the evolution of ontogenies ...316
AVISE, JOHN C., CAROL A. REEB, AND NANCY C. SAUNDERS. Geographic population structure and species differences in mitochondrial. DNA of mouthbrooding marine catfishes (Ariidae) and demersal spawning toadfishes (Batrachoididae) ...991
BAKER, ALLAN J., AND ABDUL MOEED. Rapid genetic differentiation and
founder effect in colonizing populations of common mynas (Acridotheres
tristis) ...525
BARRETT, SPENCER C. H., AND JOEL S. SHORE. Variation and evolution of Breeding systems in the Turnera u1mifolia L. complex (Turneraceae) ...340
BERGER, JOEL, AND CAROL CUNNINGHAM. Influence of familiarity on frequency of inbreeding in wild horses ...229
BERVEN, KEITH A. The heritable basis of variation in larval developmental Patterns within populations of the wood frog (Rana sylvatica) ...1088
BOONSTRA, RUDY, AND PETER T. BOAG. A test of the Chitty hypothesis: Inheritance
of lifehistory traits in meadow voles Microtus pennsylvanicus ...929
BRACE, LORING, KAREN R. ROSENBERG, AND KEVIN D. HUNT. Gradual change in human tooth size in the late Pleistocene and PostPleistocene ...705
BRINK, DONALD E., J. M. J. DE WET, STEVEN C. PRICE, AND JENNIFER A. WOODS. Similarities in sectional delimitation in Tripsacum and Zea (Gramineae) ...445
BROWN, JOEL S., AND THOMAS L. VINCENT. Coevolution as an evolutionary game ...66
BULL, J. J. Evolution of phenotypic variance ...303
BURTON, RONALD S. Differentiation and integration of the genome in populations of the marine copepod Tigriopus californicus...504
BUSH, ROBIN M., PETER E. SMOUSE, AND F. THOMAS LEDIG. The fitness consequences of multiplelocus heterozygosity: The relationship between heterozygosity and growth rate in pitch pine (Pinus rigida Mill.)...787
BUTLIN, R. K., C. W. WOODHATCH, AND G. M. HEWITT. Male spermatophore investment increases female fecundity in a grasshopper ...221
CACCONE, ADALGISA, AND JEFFREY R. POWELL. Molecular evolutionary divergence among North American cave crickets. 11. DNADNA hybridization ...1215
CACCONE, ADALGISA, AND VALERIO SBORDONI. Molecular evolutionary divergence among North American cave crickets. 1. Allozyme variation ...1198
CARR, STEVEN M., A. JANICE BROTHERS, AND ALLAN C. WILSON. Evolutionary inferences from restriction maps of mitochondrial DNA from nine taxa of Xenopus frogs ...176
CHAMBERS, STEVEN M. Rates of evolutionary change in chromosome numbers in snails and vertebrates. ...166
CHARLESWORTH, D., AND B. CHARLESWORTH. The effect of investment in attractive structures on allocation to male and female functions in plants ...948
CHRISTIE, PAUL, AND MARK R. MACNAIR. The distribution of postmating reproductive isolating genes in populations of the yellow monkey flower, Mimulus guttatus. ...571
CROZIER, R. H., B. H. SMITH, AND Y. C. CROZIER. Relatedness and population structure of the primitively eusocial bee Lasioglossum zephyrum (Hymenoptera: Halictidae) in Kansas ...902
DOWNHOWER, JERRY F., LAWRENCE S. BLUMER, AND LUTHER BROWN. Seasonal variation in sexual selection in the mottled sculpin ...1386
DOWNHOWER, JERRY F., LAWRENCE S. BLUMER, AND LUTHER BROWN. Opportunity for selection: An appropriate measure for evaluating variation in the potential for selection? ...1395
EISENBERG, JOHN F. Vertebrate evolution in Australasia. (review) ...236
EPPERSON, BRYAN K., AND MICHAEL T. CLEGG. Frequencydependent variation for outcrossing rate among flowercolor morphs of Ipomoea pUrpUrea ...1302
ERWIN, DOUGLAS H., JAMES W. VALENTINE, AND J. JOHN SEPKOSKI, JR. A comparative study of diversification events: The early Paleozoic versus the Mesozoic ...1177
FOSTER, MERCEDES S. Delayed maturation, neoteny, and social system differences in two manakins of the genus Chiroxiphia ...547
FRANK, STEVEN A. Demography and sex ratio in social spiders ...1267
FuRNIER, GLENN R., PEGGY KNOWLES, MERLISE A. CLYDE, AND BRUCE P. DANCIK. Effects of avian seed dispersal on the genetic structure of whitebark pine Populations ...607
FUTUYMA, DOUGLAS J., AND THOMAS E. PHILIPPI. Genetic variation and covariation in responses to host plants by Alsophila pometaria (Lepidoptera: Geometridae) ...269
GALEN, CANDACE, KRYSTYN A. ZIMMER, AND MARY ELLEN NEWPORT. Pollination in floral scent morphs of Polemonium viscosum: A mechanism for disruptive selection on flower size ...599
GARLAND, THEODORE, JR., AND RAYMOND B. HUEY. Testing symmorphosis: Does structure match functional requirements? ...1404
GOLENBERG, EDWARD M. Estimation of gene flow and genetic neighborhood size by indirect methods in a selfing annual, Triticum dicoccoides ...1326
GOODNIGHT, CHARLES J. On the effect of founder events on epistatic genetic variance ...80
GROSBERG, RICHARD K. Limited dispersal and proximitydependent mating success in the colonial ascidian Botryllus schlosseri ...372
HEDRICK, PHILIP W. Population genetics of intragametophytic selfing ...137
HEDRICK, PHILIP W. Genetic load and the mating system in homosporous ferns... 1282
HoiKKALA, ANNELI, AND JAAKKo LuMME. The genetic basis of evolution of
the male courtship sounds in the Drosophila virilis group ...827
HOUDE, ANNE E. Mate choice based upon naturally occurring colorpattern
variation in a guppy population ...1
HUEY, RAYMOND B., AND ALBERT F. BENNETT. Phylogenetic studies of coadaptation: Preferred temperatures versus optimal performance temperatures of lizards ...1098
HUEY, RAYMOND B., AND ARTHUR E. DUNHAM. Repeatability of locomotor performances in natural populations of the lizard Sceloporus merriami ...1116
IWASA, YOH, AND AKIRA SASAKI. Evolution of the number of sexes ...49
JALLON, JEANMARC, AND JEAN R. DAVID. Variations in cuticular hydrocarbons among the eight species of the Drosophila melanogaster subgroup . ...294
JOHNSON, MICHAEL S. Adaptation and rules of form: Chirality and shape in Partula suturalis . ...672
JONES, RICHARD E. Biology of the reptilia: Developmental aspects. (review)...450
KELLEY, STEVEN E., AND KEITH CLAY. Interspecific competitive interactions and the maintenance of genotypic variation within two perennial grasses. ...92
KING, PATRICIA SMITH. Macro and microgeographic structure of a spatially subdivided beetle species in nature ...401
KING, RICHARD B. Color pattern polymorphism in the Lake Erie water snake,Nerodia sipedon insularum . ...241
KINGSOLVER, JOEL G. Evolution and coadaptation of thermoregulatory behavior and wing pigmentation pattern in pierid butterflies ...472
KINGSOLVER, JOEL G., AND DIANE C. WIERNASZ. Dissecting correlated characters: Adaptive aspects of phenotypic covariation in melanization pattern of Pieris butterflies . ...491
KIRKPATRICK, MARK, AND J. J. BULL. Sexratio selection with migration: Does Fisher's result hold? ...218
KJELLBERG, F., P.H. GOUYON, M. IBRAHIM, M. RAYMOND, AND G. VALDEYRON. The stability of the symbiosis between dioecious figs and their pollinators: A study of Ficus carica L. and Blastophaga psenes L ...693
KNIGHT, SUSAN E., AND DONALD M. WALLER. Genetic consequences of outcrossing in the cleistogamous annual Impatiens capensis. I. Population genetic structure ...969
KOENIG, WALTER D., AND STEPHEN S. ALBANO. Lifetime reproductive success, selection, and the opportunity for selection in the whitetailed skimmer Plathemis lydia (Odonata: Libellulidae) ...22
KOEPFER, H. ROBERTA. Selection for sexual isolation between geographic forms of Drosophila mojavensis. I. Interactions between the selected forms ...37
KOEPFER, H. ROBERTA. Selection for sexual isolation between geographic Forms of Drosophila mojavensis. 11. Effects of selection of mating preference and propensity ...1409
LAMB, TRIP, AND JOHN C. AviSE. Morphological variability in genetically defined categories of anuran hybrids ...157
LANE, MEREDITH A.Then as now? (review)...1416
LEARN, GERALD H., JR., AND BARBARA A. SCHAAL. Population subdivision for ribosomal DNA repeat variants in Clematisfremontii . ...433
LEARY, ROBB F., FRED W. ALLENDORF, AND KATHY L. KNUDSEN. Differences in inbreeding coefficients do not explain the association between heterozygosity at allozyme loci and developmental stability in rainbow trout ...1413
LICHT, LAWRENCE E., AND JAMES P. BOGART. Ploidy and developmental rate in a salamander hybrid complex (genus Ambystoma) ...918
LINHART, YAN B., WILLIAM H. BUSBY, JAMES H. BEACH, AND PETER FEINSINGER. Forager behavior, pollen dispersal, and inbreeding in two species of hummingbird pollinated plants ...679
LOWELL, RICHARD B. Safety factors of tropical versus temperate limpet shells: Multiple selection pressures on a single structure ...638
MACEY, MICHELLE, AND LINDA K. DIXON. Chromosomal variation in Peromyscus maniculatus populations along an elevational gradient ...676
MAcNEIL, DONNA, AND CURTIS STROBECK. Evolutionary relationships among colonies of Columbian ground squirrels as shown by mitochondrial DNA. ...873
MAEKAWA, Koji,AND TERUAKi HINO. Effect of cannibalism on alternative life histories in charr ...1120
MASSAD, EDUARDO. Transmission rates and the evolution of pathogenicity ...1127
MAZER, SUSAN J. Parental effects on seed development and seed yield in Raphanus raphanistrum: Implications for natural and sexual selection. ...355
McDONALD, JOHN H. Repeated geographic variation at three enzyme loci in the amphipod Platorchestia platensis ...438
McEDWARD, LARRY R., AND LouiSE K. COULTER. Egg volume and energetic content are not correlated among sibling offspring of starfish: Implications for life history theory ...914
McKONE, MARK J. Sex allocation and outcrossing rate: A test of theoretical predictions using bromegrasses (Bromus) ...591
MENKEN, STEPH B. J. Is the extremely low heterozygosity level in Yponomeuta rorellus caused by bottlenecks'? ...630
MEYER, AXEL. Phenotypic plasticity and heterochrony in Cichlasoma managuense (Pisces, Cichlidae) and their implications for speciation in cichlid fishes. ...1357
MICHENER, CHARLES D. Taxonomy, phylogeny and zoogeography. (review)...449
MITCHELLOLDS, THOMAS, AND RUTH G. SHAW. Regression analysis of natural selection: Statistical inference and biological interpretation ...1149
MITTON, JEFFRY B. Controversies over the units of selection. (review) ...232
MODI, WILLIAM S., ROBERT K. WAYNE, AND STEPHEN J. O'BRIEN. Analysis of fluctuating asymmetry in cheetahs ...227
MOORE, JANICE, AND DANIEL R. BROOKS. Asexual reproduction in cestodes (Cyclophyllidea: Taeniidae): Ecological and phylogenetic influences...882
MOORE, WILLIAM S. Random mating in the Northern Flicker hybrid zone: Implications for the evolution of bright and contrasting plumage patterns in birds ...539
MORITZ, CRAIG. Parthenogenesis in the tropical gekkonid lizard, Nactus Arnouxii (Sauria: Gekkonidae)...1252
NAMKOONG, GENE, AND JOHN BISHIR. The frequency of lethal alleles in forest Tree populations ...1123
NATVIG, DONALD 0., DAVID A. JACKSON, AND JOHN W. TAYLOR. Random fragment hybridization analysis of evolution in the genus Neurospora: The status of four spored strains ...1003
NELSON, KiMBERLYN, ROBERT J. BAKER, AND RODNEY L. HONEYCUTT. Mitochondrial DNA and protein differentiation between hybridizing cytotypes of the whitefooted mouse, Peromyscus leucopus ...864
NiKLAS, KARL J., AND STEPHEN L. BUCHMANN. The aerodynamics of pollen capture in two sympatric Ephedra species ...104
PETRANKA, JAMES W., AND ANDREW SIH. Habitat duration, length of larval period, and the evolution of a complex life cycle of a salamander, Ambystoma texanum . ...1347
PIEROTTI, RAYMOND. Isolating mechanisms in seabirds ...559
REZNICK, DAVID N., AND HEATHER BRYGA. Lifehistory evolution in guppies (Poecilia reticulata): 1. Phenotypic and genetic changes in an introduction experiment ...1370
RICE, WILLIAM R. The accumulation of sexually antagonistic genes as a selective agent promoting the evolution of reduced recombination between primitive sex chromosomes ...911
RISING, JAMES D. Geographic variation of sexual dimorphism in size of savannah sparrows (Passerculus sandwichensis): A test of hypotheses ...514
RITLAND, KERMIT, AND FRED R. GANDERS. Covariation of selfing rates with Parental gene fixation indices within populations of Mimulus guttatus ...760
RITLAND, KERMIT, AND FRED R. GANDERS. Crossability of Mimulus guttatus in relation to components of gene fixation ...772
ROGERS, ALAN R. A model of kinstructured migration ...417
ROSS, KENNETH G., ROBERT K. VANDER MEER, DAVID J. C. FLETCHER, AND EDWARD L. VARGO. Biochemical phenotypic and genetic studies of two introduced fireants and their hybrid (Hymenoptera: Formicidae) ...280
ROSS, KENNETH G., EDWARD L. VARGO, AND DAVID J. C. FLETCHER. Comparative biochemical genetics of three fire ant species in North America, with special reference to the two social forms of Solenopsis invicta (Hymenoptera: Formicidae) ...979
ROUGHGARDEN, JONATHAN. Community coevolution: A comment ...1130
RUBEN, JOHN A., AND ALBERT A. BENNETT. The evolution of bone ...1187
SCHMITT, JOHANNA, AND DAVID W. EHRHARDT. A test of the sibcompetition hypothesis for outcrossing advantage in Impatiens capensis ...579
SCHWARTZ, JOSHUA J. The function of call alternation in anuran amphibians: A test of three hypotheses ...461
SEAGER, ROBERT D., AND WYATT W. ANDERSON. Viabilities of amylase genotypes in Drosophila pseudoobscura on starch and maltose food ...199
SEIGER, MARVIN B., AND H. J. KHAMIS. A multiffactorial behavioral study of coexisting drosophilid species in nature ...209
SESSIONS, STANLEY K., AND ALLAN LARSON. Developmental correlates of genome size in plethodontid salamanders and their implications for genome evolution ...1239
SHAW, JONATHAN, JANIS ANTONOVICS, AND LEWIS E. ANDERSON. Inter and intraspecific variation of mosses in tolerance to copper and zinc ...1312
SHAW, RUTH G. Maximum likelihood approaches applied to quantitative genetics of natural populations . ...812
SHEA, KATHLEEN L. Effects of population structure and cone production on out crossing rates in Engelmann spruce and subalpine fir ...124
SHIELDS, GERALD F., AND ALLAN C. WILSON. Subspecies of the Canada goose (Branta canadensis) have distinct mitochondrial DNA's ...662
SLATKIN, MONTGOMERY. Quantitative genetics of heterochrony ...799
SMITH, CHRISTOPHER C. Insects on plants. (review) ...137
SMOUSE, PETER E., AND WENHSIUNG Li. Likelihood analysis of mitochondrial restrictioncleavage patterns for the humanchimpanzeegorilla trichotomy ...1162
SMYTH, CHARLES A., AND JAMES L. HAMRICK. Realized gene flow via pollen in artificial populations of musk thistle, Carduus nutans L ...613
SOLTIS, PAMELA S., AND DOUGLAS E. SOLTIS. Population structure and estimates of gene flow in the homosporous fern Polystichum munitum...620
SOLTIS, PAMELA S., DOUGLAS E. SOLTIS, AND LESLIE D. GOTTLIEB. Phosphogluco mutase gene duplications in Clarkia (Onagraceae) and their phylogenetic implications ...667
STEWART, STEVEN C., AND DANIEL J. SCHOEN. Pattern of phenotypic viability and fecundity selection in a natural population of Impatiens pallida ...1290
STRAUSS, STEVEN H. Heterozygosity and developmental stability under inbreeding and crossbreeding in Pinus attenuata ...331
SUTHERLAND, STEVE. Why hermaphroditic plants produce many more flowers than fruits: Experimental tests with Agave mckelveyana ...750
TACHIDA, HIDENORI. Differentiation of a multigene family between populations ...190
TEMPLETON, ALAN R. Species and speciation. (review)...233
THOMAS, C. D., D. NG, M. C. SINGER, J. L. B. MALLET, C. PARMESAN, AND H. L. BILLINGTON. Incorporation of a European weed into the diet of a North American herbivore ...892
THORPE, R. S., AND M. BAEZ. Geographic variation within an island: Univariate and multivariate contouring of scalation, size, and shape of the lizard Gallotia galloti ...256
TRACEY, MARTY. Evolutionary biology. (review) ...683
TRAVIS, JOSEPH, SHARON B. EMERSON, AND MICHAEL BLOUIN. A quantitative genetic analysis of larval lifehistory traits in Hyla crucifer ...145
ULTSCH, GORDON R. The potential role of hypercarbia in the transition from Water breathing to airbreathing in vertebrates...442
VERMEIJ, GEERAT J. The dispersal barrier in the tropical Pacific: Implications for molluscan speciation and extinction ...1046
WAPLES, ROBIN S. A multispecies approach to the analysis of gene flow in marine shore fishes . ..385
WEATHERHEAD, PATRICK J., HAMILTON GREENWOOD, AND ROBERT G. CLARK. Natural selection and sexual selection on body size in redwinged blackbirds ...1401
WEIDER LAWRENCE J., MARGARET J. BEATON, AND PAUL D. N. HEBERT. Clonal diversity in higharctic populations of Daphnia pulex: A polyploid apornictic complex...1335
WEIR, B. S. Happy birthday Motoo! (review) ...1135
WETHERINGTON, JEFFREY D., KAREN E. KOTORA, AND ROBERT C. VRIJENHOEK. A test of the spontaneous heterosis hypothesis for unisexual vertebrates ...721
THOMAS G. Aphid ecology. (review) ...235
WILKINSON, GERALD S. Equilibrium analysis of sexual selection in Drosophila melanogaster ...11
WILLIAMS, MARY B. DialecticsA worthwhile alternative? (review) ...1138
WILLIG MICHAEL R., AND ROBERT D. OWEN. Fluctuating asymmetry in the cheetah: Methodological and interpretative concerns ...225
WILSON, DAVID SLOAN. Altruism in Mendelian populations derived from sibling groups: The haystack model revisited . ...1059
WOODIN, SARAH ANN, AND RACHEL ANN MERZ. Holding on by their hooks: Anchors for worms...427
WOODRUFF, DAVID S., AND STEPHEN JAY GOULD. Fifty years of interspecific hybridization: Genetics and morphometrics of a controlled experiment on the land snail Cerion in the Florida Keys ...1022
WOOTTON, J. TIMOTHY. The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction ... 732
ZEH, DAVID W. Aggression, density, and sexual dimorphism in chernetid
pseudo scorpions (Arachnida: Pseudo scorpionida) ...1072