Ethology and Sociobiology Volume 15, 1994 Contents LETTER FROM THE EDITORS 1 ANNOUNCEMENT 12th Biennial Congress of the International Society for Human Ethology 3 ORIGINAL ARTICLES Sally Walters and Charles B. Crawford The Importance of Mate Attraction for Intrasexual Competition in Men and Women 5 Guy Beauchamp The Functional Analysis of Human Fertility Decisions 31 ABSTRACTS Abstracts to the Plenary Papers, presented at the Human Behavior and Evolution Society’s (HBES) 1993 Meeting 55 ORIGINAL ARTICLES I. A. Greenlees and W. C. McGrew Sex and Age Differences in Preferences and Tactics of Mate Attraction: Analysis of Published Advertisements 59 Steven W. Gangestad, Randy Thornhill, and Ronald A. Yeo Facial Attractiveness, Developmental Stability, and Fluctuating Asymmetry 73 Allan Mazur, Carolyn Halpern, and J. Richard Udry Dominant Looking Male Teenagers Copulate Earlier 87 Marion Eals and Irwin Silverman The Hunter-Gatherer Theory of Spatial Sex Differences: Proximate Factors Mediating the Female Advantage in Recall of Object Arrays 95 Book Review 107 ORIGINAL ARTICLES Joanna E. Scheib Sperm Donor Selection and the Psychology of Female Mate Choice 113 Dorothy Einon Are Men More Promiscuous Than Women? 131 Robert W. Elwood and Carolyn Mason The Couvade and the Onset of Paternal Care: A Biological Perspective 145 Amy Randall Parish Sex and Food Control in the “Uncommon Chimpanzee”: How Bonobo Females Overcome a Phylogenetic Legacy of Male Dominance 157 ORIGINAL ARTICLES Geoffrey E. Gerstner and Louis J. Goldberg Evidence of a Time Constant Associated With Movement Patterns in Six Mammalian Species Martin Daly and Margo I. Wilson Some Differential Attributes of Lethal Assaults on Small Children by Stepfathers versus Genetic Fathers David Sloan Wilson Adaptive Genetic Variation and Human Evolutionary Psychology BOOK REVIEW Roger D. Masters The Astonishing Hypothesis: The Scientific Search for the Soul, by Francis Crick SPECIAL ISSUE INTRODUCTION ORIGINAL ARTICLES Isaac M. Marks and Randolph M. Nesse Fear and Fitness: An Evolutionary Analysis of Anxiety Disorders Jay R. Feierman A Testable Hypothesis About Schizophrenia Generated by Evolutionary Theory Kevin B. Kerber The Marital Balance of Power and Quid Pro Quo: An Evolutionary Perspective Michael T. McGuire, Fawzy I. Fawzy, James E. Spar, Ronald M. Weigel, and Alfonso Troisi Altruism and Mental Disorders Elizabeth M. Hill, James P. Young, and Janet L. Nord Childhood Adversity, Attachment Security, and Adult Relationships: A Preliminary Study Randolph M. Nesse An Evolutionary Perspective on Substance Abuse Tyge Schelde Ethological Research in Psychiatry William T. McKinney, Jr., Russell Gardner, Jr., George W. Barlow, and Michael T. McGuire Conceptual Basis of Animal Models in Psychiatry: A Conference Summary Tyge Schelde and Mogens Hertz Ethology and Psychotherapy AUTHOR INDEX TO VOLUME 15 SUBJECT INDEX TO VOLUME 15