Contents of Vol. 43
AHEARN, JAYNE N., AND ALAN R. TEMPLETON. Interspecific hybrids of Drosophild heteroneura and D. silvestris. I. Courtship success ...347
ALEXANDER, HELEN MILLER. An experimental field study of anther-smut disease of Silene alba caused by Ustilago viodacea: Genotypic variation and disease incidence ...835
ALLENDoRF, FRED W. Oxford surveys in evolutionary biology. (review) ...1338
ANDERSON, GREGORY J., AND DAVID E. SYMON. Functional dioecy and andromonoecy in Solahum ....204
ANDERSON, JAMES B., STEVEN S. BAILEY, AND PATRICIA J. PUKKILA. Variation in ribosomal DNA among biological species of Armillaria, a species of root-infecting fungi ...1652
ARCHIE, JAMES W., CHRIS SIMON, AND ANDREW MARTIN. Small sample size does decrease the stability of dendrograms calculated from allozyme-frequency data ...678
ARCHIE, JAMES W. Phylogenies of plant families: A demonstration of phylogenetic randomness in DNA sequence data derived from proteins ...1796
ASHLEY, MARY V., AND CHRISTOPHER WILLS. Mitochondrial-DNA and allozyme divergence patterns are correlated among island deer mice ...646
AUSTIN, GEORGE T., AND PAUL A. OPLER. The butterflies of Costa Rica. (review)...705
AviSE, JOHN C. Gene trees and organismal histories: A phylogenetic approach to population biology ...1192
AYALA, FRANCISCO J. The biology of populations. (review)...697
BAKER ROBERT J., SCOTT K. DAVIS, ROBERT D. BRADLEY, MEREDITH J. HAMILTON, AND RONALD A. VAN DEN BUSSCHE. Ribosomal-DNA, mitochondrial-DNA, chromosomal, and allozymic studies on a contact zone in the pocket gopher,Geomys ...63
BARRETT, SPENCER C. H., MARTIN T. MORGAN, AND BRIAN C. HUSBAND. The dissolution of a complex genetic polymorphism: The evolution of self-fertilization in tristylous Eichhornia paniculata (Pontederiaceae) ...1398
BAYNE, BRIAN L. Ecological physiology: A lack of focus, a confusion of goal?(review) ...919
BELHASSEN, E., L. TRABAUD, D. COUVET, AND P. H. GOUYON. An example of nonequilibrium processes: Gynodioecy of Thymus vulgaris L. in burned habitats ...662
BELL, MICHAEL A., CHRISTINA E. WELLS, AND JAMES A. MARSHALL. Mass-mortality layers of fossil stickleback fish: Catastrophic kills of polymorphic schools ...607
BENKMAN, CRAIG W. On the evolution and ecology of island populations of crossbills ...1324
BERCOVITCH, FRED B. Body size, sperm competition, and determinants of reproductive success in male savanna baboons ...1507
BIERBAUM, TODD J., LAURENCE D. MUELLER, AND FRANcisco J. AYALA. Density dependent evolution of lifehistory traits in Drosophila melanogaster ...382
BIERZYCHUDEK, PAULETTE. Environmental sensitivity of sexual and apornictic Antennaria: Do apornicts have generalpurpose genotypes? ...1456
BOOKSTEIN, FRED L. Comment on a rate test ...1569
BOURKE, ANDREW F. G. Comparative analysis of sexinvestment ratios in slave making ants ...913
BULL, J. J., AND CRAIG M. PEASE. Combinatorics and variety of mating type systems ...667
BULL, J. J., AND E. L. CHARNOV. Enigmatic reptilian sex ratios ...1561
BDRGER, REINHARD, Gi~NTER P. WAGNER, AND FRANZ STETTINGER. How much heritable variation can be maintained in finite populations by mutation-selection balance ...1748
BURTON, DAVID W., JOHN W. BICKHAM, AND HUGH H. GENOWAYS. Flowcytometric analyses of nuclear DNA content in four families of neotropical bats ...745
CACCONE, ADALGISA, AND JEFFREY R. POWELL. DNA divergence among hominoids ...925
CAMPBELL, DIANE R. Measurements of selection in a hermaphroditic plant: Variation in male and female pollination success ...318
CAMPBELL, DIANE R., AND NICKOLAS D. WASER. Variation in pollen flow within and among populations of Ipomopsis aggregata . ..1444
CARSON, H. L., K. Y. KANESHIRO, AND F. C. VAL. Natural hybridization between the sympatric Hawaiian species Drosophila silvestris and Drosophila heteroneura ...190
CHANG, HWEIYU, AND FRANCISCO J. AYALA. On the origin of incipient reproductive isolation: The case of Drosophila albornicans and D. nasuta ...1610
CHARNOV, ERIC L. Evolution of the breeding sex ratio under partial sex change ...1559
CHEVERUD, JAMES M. A comparative analysis of morphological variation patterns in the papionins ...1737
CODELLA, SYLVio G., JR., AND ROBERT C. LEDERHOUSE. Intersexual comparison of mimetic protection in the black swallowtail butterfly, Papilio polyxenes: Experiments with captive Blue Jay predators . . 410
COHAN, FREDERICK M., ARY A. HOFFMANN, AND TODD W. GAYLEY. A test of the role of epistasis in divergence under uniform selection ...766
CONNER, JEFFREY. Densitydependent sexual selection in the fungus beetle, Bolitotheruscornutus ...1378
COYNE, JERRY A., AND H. ALLEN ORR. Patterns of speciation in Drosophila... 362
CREASE, TERESA J., DAVID J. STANTON, AND PAUL D. N. HEBERT. Polyphyletic origins of asexuality in Daphnia pulex. 11.Mitochondrial DNA variation...1016
CRESPI, BERNARD J., AND FRED L. BOOKSTEIN. A pathanalytic model for the measurement of selection on morphology . ..18
CRUZ, ALEXANDER, AND JAMES W. WILEY. The decline of an adaptation in the absence of a presumed selection pressure. ..55
DELPH, LYNDA F., AND CURTIS M. LIVELY. The evolution of floral color change: Pollinator attraction versus physiological constraints in Fuchsia excorticata. ...1252
DENSMORE, LLEWELLYN D., 111, JOHN W. WRIGHT, AND WESLEY M. BROWN. MiTochondrial DNA analyses and the origin and relative age of parthenogenetic lizards (genus Cnemidophorus). II. C neomexicanus and the C tesselatus complex ...943
DENSMORE, LLEWELLYN D., 111, CRAIG C. MORITZ, JOHN W. WRIGHT, AND WESLEY M. BROWN. MitochondrialDNA analyses and the origin and relative age of parthenogenetic lizards (genus Cnemidophorus). IV. Nine sex lineatus group unisexuals ... 969
DODD, DIANE M. B. Reproductive isolation as a consequence of adaptive divergence in Drosophila pseudoobscura ...1308
DOEBLEY, JOHN. Molecular evidence for a missing wild relative of maize and the introgression of its chloroplast genome into Zea perennis ..1555
DONOGHUE, MICHAEL J. Phylogenies and the analysis of evolutionary sequences, with examples from seed plants ...1137
DOWLING, THOMAS E., GERALD R. SMITH, AND WESLEY M. BROWN. Reproductive isolation and introgression between Notropis cornutus and Notropis chrysocephalus (Family Cyprinidae): Comparison of morphology, allozymes, and mitochondrial DNA ...620
DUNCAN, KATHLEEN E., CONRAD A. ISTOCK, JULIA BELL GRAHAM, AND NANCY FERGUSON. Genetic exchange between Bacillus subtilis and Bacillus licheni formis: Variable hybrid stability and the nature of bacterial species...1585
ECHELLE, ANTHONY A., AND PATRICK J. CONNER. Rapid, geographically extensive genetic introgression after secondary contact between two pupfish species (Cyprinodon, Crypinodontidae) ...717
ECHELLE, ANTHONY A., THOMAS E. DOWLING, CRAIG C. MORITZ, AND WESLEY M. BROWN. MitochondrialDNA diversity and the origin of the Menidia clarkhubbsi complex of unisexual fishes (Atherinidae) . ..984
ETGES, WILLIAM J. Divergence in cactophilic Drosophila: The evolutionary significance of adult ethanol metabolism . ..1316
FEDER, JEFFREY L., AND Guy L. BUSH. A field test of differential hostplant Usage between two sibling species of Rhagoletis pomonella fruit flies (Diptera: Tephritidae) and its consequences for sympatric models of speciation ...1813
FERRARI, JAMES A., AND KARAMJIT S. RAL Phenotypic correlates of genome size variation in Aedes albopictus . ..895
FLEMING, IAN A., AND MART R. GROSS. Evolution of adult female life history And morphology in a Pacific salmon (Coho: Oncorhynchus kisutch) ....141
FuKUI, H. HENRY, AND MARK H. GROMKO. Female receptivity to remating and early fecundity in Drosophila melanogaster ...1311
GALEN, CANDACE. Measuring pollinatormediated selection on morphometric Floral traits: Bumblebees and the alpine sky pilot, Polemonium viscosum ...882
GALLOWAY, KAREN S., AND BRUCE GRANT. Reverse sexratio adjustment in an apparently outbreeding wasp, Bracon hebetor ...465
GIBBS, H. LISLE, AND PETER R. GRANT. Inbreeding in Darwin's Medium Ground Finches (Geospiza fortis) ...1273
GOLDMAN, DAVID, P. RATHNA GIRI, AND STEPHEN J. O'BRIEN. Molecular genetic distance estimates among the Ursidae as indicated by one and two-dimensional protein electrophoresis ...282
GOLENBERG, EDWARD M. Migration patterns and the development of multilocus associations in a selfing annual, Triticum dicoccoides ...595
GOOD, DAVID A. Hybridization and cryptic species in Dicamptodon (Caudata: Dicamptodontidae) ...728
GORI, DAVID F. Floral color change in Lupinus argenteus (Fabaceae): Why should plants advertise the location of unrewarding flowers to pollinators? ...870
GOULD, STEPHEN JAY. A developmental constraint in Cerion, with comments on the definition and interpretation of constraint in evolution . ..516
GROSBERG, RICHARD K., AND JAMES F. QUINN. The evolution of selective aggression conditioned on allorecognition specificity . ..504
HALE, DAVID W. A reevaluation of chromosomal variation in populations of Peromyscus maniculatus along an elevational gradient . ..226
HALL, BRIAN K. The shape of things to come. (review) ...1571
HANKEN, JAMES. Development and evolution of the neural crest. (review) ...1337
HASEGAWA, MASAMI, AND HIROHISA KiSHINO. Confidence limits on the maximum-likelihood estimate of the hominoid tree from mitochondrial DNA sequences ...672
HEBERT, PAUL D. N., MARGARET J. BEATON, STEVEN S. SCHWARTZ, AND DAVID J.STANTON. Polyphyletic origins of asexuality in Daphnia pulex. I. Breeding system variation and levels of clonal diversity ...1004
HENDRIX, STEPHEN D., AND E. JOSEPH TRAPP. Floral herbivory in Pastinaca sativa: Do compensatory responses offset reductions in fitness?...891
HERBERS, JOAN M. Insects behaving in society. (review)...1125
HEYWOOD, JOHN S. Sexual selection by the handicap mechanism ... 1387
HONEYCUTT, RODNEY L., AND PAT WILKINSON. Electrophoretic variation in the parthenogenetic grasshopper Warramaba virgo and its sexual relatives ...1027
HOULE, DAVID. The maintenance of polygenic variation in finite populations ...1767
INOUYE, DAVID W. An evolutionary basis for pollination ecology. (review) ...1573
JAENIKE, JOHN. Genetic population structure of Drosophila tripunctata: Patterns of variation and covariation of traits affecting resource use ...1467
JONES, Ross, AND DAVID C. CULVER. Evidence for selection on sensory Structures in a cave population of Gammarus minus (Amphipoda)...688
KALISZ, SUSAN. Fitness consequences of mating system, seed weight, and Emergence date in a winter annual, Collinsia verna . ..1263
KATAKURA, HARUO, MIYUKI SHIOI, AND Yumi KIRA. Reproductive isolation by host specificity in a pair of phytophagous ladybird beetles ...1045
KELLEY, STEVEN E. Experimental studies of the evolutionary significance of Sexual reproduction. V. A field test of the sibcompetition lottery hypothesis . ..1054
KELLEY, STEVEN E. Experimental studies of the evolutionary significance of Sexual reproduction. VI. A greenhouse test of the sibcompetition hypothesis ...1066
KING, LYNN M., AND BARBARA A. SCHAAL. RibosomalDNA variation and distribution in Rudbeckia missouriensis ...1117
KIRKPATRICK, MARK, AND RUSSELL LANDE. The evolution of matemal characters...485
KOHN, JOSHUA R. Sex ratio, seed production, biomass allocation, and the cost of male function in Cucurbita foetidissima HBK (Cucurbitaceae) . ...1424
KOJOLA, ILPO, AND EUA ELORANTA. Influences of maternal body weight, age, andparity on sex ratio in semidomesticated reindeer (Rangifier t. tarandus)...1331
KOZLOWSKI, JAN, AND STEPHEN C. STEARNS. Hypotheses for the production of Excess zygotes: Models of bethedging and selective abortion ...136
KREBS, ROBERT A., AND THERESE A. MARKOW. Courtship behavior and control of reproductive isolation in Drosophila mojavensis ...908
LAMB, TRIP, JOHN C. AviSE, AND J. WHITFIELD GIBBONS. Phylogeographic patterns in mitochondrial DNA of the desert tortoise (Xerobates agassizi), and evolutionary relationships among the North American gopher tortoises ...76
LEMEN, CLIFF A., AND PATRICIA W. FREEMAN. Testing macroevolutionary hypotheses with cladistic analysis: Evidence against rectangular evolution . ..1538
LEUCHTMANN, ADRIAN, AND KEITH CLAY. Experimental evidence for genetic variation in compatibility between the fungus Atkinsonella hypoxylon and its three host grasses ...825
LEVIN, DONALD A. Proximitydependent crosscompatibility in Phlox ...1114
LEVIN, DONALD A. Inbreeding depression in partially selffertilizing Phlox ...1417
LIVELY, CURTIS M. Adaptation by a digenetic trematode to local populations of its snail host ...1663
LivEzEY, BRADLEY C. Flightlessness in grebes (Aves, Podicipedidae): Its independent evolution in three genera ...29
LOBO, JORGE A., M. A. DEL LAMA, AND M. A. MESTRINER. Population differentiation and racial admixture in the Africanized honeybee (Apis mellifera L.).. ...794
L6PEZFANJUL, CARLOS, AND ANGELA VILLAVERDE. Inbreeding increases genetic variance for viability in Drosophila melanogaster . .. 1800
LOSOS, JONATHAN B., SHAHID NAEEM, AND ROBERT K. COLWELL. Hutchinsonian ratios and statistical power . ..1820
LYNCH, JAMES F. Community ecology of salamanders. (review) ...1127
LYNCH, MICHAEL. Phylogenetic hypotheses under the assumption of neutral Quantitative-genetic variation ...1
LYNCH, MICHAEL, KEN SPITZE, AND TERESA CREASE. The distribution of Life-history variation in the Daphnia pulex complex . ..1724
MALLET, JAMES, AND NICHOLAS H. BARTON. Strong natural selection in warning color hybrid zone. ..421
MARTENS, PAUL M., MARCO C. CURINIGALLETTI, AND PATRICK VAN OOSTVELLT. Polyploidy in Proseriata (Platyhelminthes) and its phylogenetic implications. 900
MCCALL, CLAIRE, THOMAS MITCHELLOLDS, AND DONALD M. WALLER. Fitness consequences of outcrossing in Impatiens capensis: Tests of the frequency dependent and sibcompetition models ...1075
McDONALD, JOHN H., AND JOSEPH F. SIEBENALLER. Similar geographic variation at the Lap locus in the mussels Mytilus trossulus and M. edulis ...228
MICHOD, RICHARD E. Darwinian selection in the brain. (review) ...694
MITTON, JEFFRY B. Natural and sexual selection. (review) ...1339
MITTON, JEFFRY B., AND WILLIAM M. LEWIS, JR. Relationships between genetic variability and lifehistory features of bony fishes . ..1712
MORAN, G. F., 0. MUONA, AND J. C. BELL. Acacia mangium: A tropical forest Tree of the coastal lowlands with low genetic diversity . ..231
MORITZ, CRAIG C., JOHN W. WRIGHT, AND WESLEY M. BROWN. Mitochondrial DNA analyses and the origin and relative age of parthenogenetic lizards (genus Cnemidophorus). 111. C velox and C exsanguis ...958
MORITZ, C., S. DONNELLAN, M. ADAMS, AND P. R. BAVERSTOCK. The origin and evolution of parthenogenesis in Heteronotia binoei (Gekkonidae): Extensive genotypic diversity among parthenogens . ..994
MOUSSEAU, TIMOTHY A., AND DEREK A. RoFF. Adaptation to seasonality in a cricket: Patterns of phenotypic and genotypic variation in body size and diapause expression along a cline in season length ...1483
MURRAY, BERTRAM G., JR., AND VAL NOLAN, JR. The evolution of clutch size. 1. An equation for predicting clutch size ...1699
MURRAY, BERTRAM G., JR., JOHN W. FITZPATRICK, AND GLEN E. WOOLFENDEN. The evolution of clutch size. 11. A test of the MurrayNolan equation ...1706
NAKAMURA, ROBERT R., AND MAUREEN L. STANTON. Embryo growth and seed size in Raphanus sativus: Maternal and paternal effects in vivo and in vitro ...1435
NEWPORT, MARY ELLEN A. A test for proximitydependent outcrossing in the Alpine skypilot, Polemonium viscosum . ..1110
NiKLAS, KARL J. Safety factors in vertical stems: Evidence from Equisetum Hyemale ...1625
NiSHIDA, TAKAYOSHI. Is lifetime data always necessary for evaluating the "intensity" of selection? ...1826
NuNNEY, LEONARD. The maintenance of sex by group selection ...245
ORR, H. ALLEN. Genetics of sterility in hybrids between two subspecies of Drosophila . ..180
PALMER, JAMES 0., AND HUGH DINGLE. Responses to selection on flight behavior in a migratory population of milkweed bug (Oncopeltusfasciatus)...1805
PARKER, MATTHEW A. Disease impact and local genetic diversity in the clonal Plant Podophyllum peltatum ...540
PETERSEN, CHRISTOPHER W., AND KAREN MARCHETTI. Filial cannibalism in the Cortez damselfish Stegastes rectifraenum . ..158
PHILLIPS, PATRICK C., AND STEVAN J. ARNOLD. Visualizing multivariate selection ...1209
PLANTE, YVES, PETER T. BOAG, AND BRADLEY N. WHITE. Microgeographic variation in mitochondrial DNA of meadow voles (Microtus pennsylvanicus) in relation to population density . ..1522
POLANS, NEIL 0., AND R. W. ALLARD. An experimental evaluation of the recovery potential of ryegrass populations from genetic stress resulting from restriction of population size ...1320
PRICE, MARY V. Plantanimal interactions: Exciting but neglected topic. (review) ...920
QUELLER, DAVID C., AND KEITH F. GOODNIGHT. Estimating relatedness using Genetic markers ...258
RAND, DAVID M., AND RICHARD G. HARRISON. Ecological genetics of a mosaic hybrid zone: Mitochondrial, nuclear, and reproductive differentiation of crickets by soil type ...432
RAUSHER, MARK E., AND ELLEN L. Simms. The evolution of resistance to herbivory in Ipomoea purpurea. 1. Attempts to detect selection ...563
REIMCHEN, T. E. Loss of nuptial color in threespine sticklebacks (Gasterosteus aculeatus) ...450
REZNICK, DAVID N. Lifehistory evolution in guppies: 2. Repeatability of Field observations and the effects of season on life histories . ..1285
RICE, WILLIAM R. Analyzing tables of statistical tests . ..223
RISING, J. D. Sexual dimorphism in Passerculus sandwichensis as it is . ...1121
RisKA, BRUCE. Composite traits, selection response, and evolution ...1172
RITLAND, KERMIT. Correlated matings in the partial selfer Mimulus guttatus ...848
ROSENBERG, GARY. Aposernatism evolves by individual selection: Evidence from marine gastropods with pelagic larvae . ..1811
SANDERSON, MICHAEL J., AND MICHAEL J. DONOGHUE. Patterns of variation in levels of homoplasy . ..1781
SANDERSON, NEIL. Can gene flow prevent reinforcement? ...1223
SCHEINER, SAMUEL M. Variable selection along a successional gradient ...548
SCHEMSKE, DOUGLAS W., AND CAROL C. HORVITZ. Temporal variation in selection on a floral character ...461
SCHULTZ, DAVID L. The evolution of phenotypic variance with iteroparity ...473
SCHULTZ, ERIC R., AND ROBERT R. WARNER. Phenotypic plasticity in lifehistory traits of female Thalassoma bifasciatum (Pisces: Labridae). 1 Manipulations of social structure in tests for adaptive shifts of lifehistory allocations ...1497
SEMLITSCH, RAYMOND D., AND HENRY M. WILBUR. Artificial selection for paedomorphosis in the salamander Ambystoma talpoideum . ..105
SHUSTER, STEPHEN M. Male alternative reproductive strategies in a marine Isopod crustacean (Paracerdeis sculpta): The use of genetic markers to measure differences in fertilization success among a, 0, and y-males ...1683
SIMMONS, GAIL M., MARTIN E. KREITMAN, WILLIAM F. QUATTLEBAUM5 AND NAOHIKO MIYASHITA. Molecular analysis of the alleles of alcohol dehydrogenase along a cline in Drosophila melanogaster. 1. Maine, North Carolina, and Florida ...393
SIMMS, ELLEN L., AND MARK E. RAuSHER. The evolution of resistance to herbivory in Ipomoea purpurea. 11. Natural selection by insects and costs of resistance...573
SITES, JACK W., JR., AND SCOTT K. DAVIS. Phylogenetic relationships and molecular variability within and among six chromosome races of Sceloporus grammicus(Sauria, Iguanidae), based on nuclear and mitochondrial markers . ...296
SLATKIN, MONTGOMERY, AND NICHOLAS H. BARTON. A comparison of three indirect methods for estimating average levels of gene flow . ..1349
SMITH, B. HOLLY. Dental development as a measure of life history in primates ...683
SMITH, HOBART M. The myth is not evolution. (review) ...699
SoLTis, DOUGLAS E., AND PAMELA S. SoLTis. Genetic consequences of autopolyploidy in Tolmiea (Saxifragaceae) . ..586
SOLTIS, DOUGLAS E., PAMELA S. SOLTIS, AND BRYAN D. NESS. Chloroplast DNA variation and multiple origins of autopolyploidy in Heuchera micrantha (Saxifragaceae) . ..650
STANTON, MAUREEN L., ALLISON A. SNOW, STEVEN N. HANDEL, AND JUDITH BERECZKY. The impact of a flowercolor polymorphism on mating patterns in experimental populations of wild radish (Raphanus raphanistrum L.) ...335
STEVENS, LORI. The genetics and evolution of cannibalism in flour beetles (genus Tribolium) ...169
THOMSON, JAMES D. Germination schedules of pollen grains: Implications for Pollen selection ...220
THOMSON, JAMES D., AND BARBARA A. THOMSON. Dispersal of Erythronium grandiflorum pollen by bumblebees: Implications for gene flow and reproductive success...657
TOOLSON, ERIC C., AND REBECCA KuPERSIMBR6N. Laboratory evolution of epicuticular hydrocarbon composition and cuticular permeability in Drosophila pseudoobscura: Effects on sexual dimorphism and thermal acclimation ability ...468
VAN DELDEN, WILKE, AND ALBERT KAmPING. The association between the polymorphisms at the Adh and Gpdh loci and the ln(2L)t inversion in Drosophila melanogaster in relation to temperature . ..775
VAN DEN BERGHE, ERIC P., AND MART R. GROSS. Natural selection resulting from female breeding competition in a Pacific salmon (Coho:Oncorhynchuskisutch) ...125
VENABLE, D. LAWRENCE, AND ALBERTO BURQUEZ M. Quantitative genetics of size, shape, lifehistory, and fruit characteristics of the seedheteromorphic composite Heterosperma pinnatum. 1. Variation within and among populations. ...113
VERRELL, PAUL A., AND STEVAN J. ARNOLD. Behavioral observations of sexual isolation among allopatric populations of the mountain dusky salamander, Desmognathus ochrophaeus ...745
WADE, MICHAEL J., AND SUSAN KALISZ. The additive partitioning of selection Gradients ...1567
WAGNER, G. P. The origin of morphological characters and the biological basis of homology . ..1157
WALLER, DONALD M., AND SUSAN E. KNIGHT. Genetic consequences of outcrossing in the cleistogamous annual, Impatiens capensis. H. Outcrossing rates and genotypic correlations ...860
WALLIS, GRAHAM P., AND J. W. ARNTZEN. MitOChondrialDNA variation in the crested newt superspecies: Limited cytoplasmic gene flow among species ....88
APLES, ROBIN S. Temporal variation in allele frequencies: Testing the right hypothesis ...1236
WASER, NICKOLAS D., AND MARY V. PRICE. Optimal outcrossing in Ipomopsis aggregata: Seed set and offspring fitness ...1097
WEATHERHEAD, PATRICK J., AND DAVE SHULTER. Sparrow sexual size dimorphism and testis size . ..1120
WEEDEN, NORMAN F., JEFF J. DOYLE, AND MATT LAVIN. Distribution and evolution of a glucosephosphate isomerase duplication in the Leguminosae ...1637
WESTEBERHARD, MARY JANE. Kin recognition in animals. (review) ...703
WETHERINGTON, JEFFREY D., STEPHEN C. WEEKS, KAREN E. KOTORA, AND ROBERT C. VRIJENHOEK. Genotypic and environmental components of variation ingrowth and reproduction of fish hemiclones (Poeciliopsis: Poeciliidae)...635
WIERNASZ, DIANE C. Female choice and sexual selection of male wing melanin pattern in Pieris occidentalis (Lepidoptera) ...1672
WIGGINS, DAVID A. Heritability of body size in crossfostered Tree Swallow broods ...1808
WINKLER, DAVID W. Evolutionary ecology of Darwin's finches. (review) ...701
WOOLFENDEN, GLEN E. Population ecology of the cooperatively breeding Acorn Woodpecker ...1129
WRAY, GREGORY A., AND DAVID R. MCCLAY. Molecular heterochronies and heterotopies in early echinoid development ...803
WREN, H. N., J. L. JOHNSON, AND D. G. GOODMAN. Evolutionary inferences from a comparison of cockroach nuclear DNA and DNA from their fatbody and egg endosymbionts ...276
WYATT, ROBERT, IRENEUSZ J. ODRZYKOSKI, AND ANN STONEBURNER. High levels of genetic variability in the haploid moss Plagiomnium ciliare ...1085
ZELDITCH, MIRIAM L., AND A. CHRISTOPHER CARMICHAEL. Ontogenetic variation in patterns of development and functional integration in skulls of Sigmodon fulviventer . ..814
ZIMMERER, EDMUND J., AND KLAUS D. KALLMAN. Genetic basis for alternative
reproductive tactics in the pygmy swordtail, Xiphophorus nigrensis ...1298