Contributors xi
Introduction: Evolutionary Psychology and Conceptual
Integration 3
Leda Cosmides, John Tooby, and Jerome H. Barkow
I. THE EVOLUTIONARY AND PSYCHOLOGICAL
FOUNDATIONS OF THE SOCIAL SCIENCES
1. The Psychological Foundations of Culture 19
John Tooby and Leda Cosmides
2. On the Use and Misuse of Darwinism in the Study of
Human Behavior 137
Donald Symons
II. COOPERATION
3. Cognitive Adaptations for Social Exchange 163
Leda Cosmides and John Tooby
4. Two Nonhuman Primate Models for the Evolution of
Human Food Sharing: Chimpanzees and Callitrichids 229
W. C. McGrew and Anna T. C. Feistner
III. THE PSYCHOLOGY OF MATING AND SEX
5. Mate Preference Mechanisms: Consequences for Partner
Choice and Intrasexual Competition 249
David M. Buss
6. The Evolution of Sexual Attraction: Evaluative
Mechanisms in Women 267
Bruce J.Ellis
7. The Man Who Mistook His Wife for a Chattel 289

IV. PARENTAL CARE AND CHILDREN
8. Pregnancy Sickness as Adaptation: A Deterrent to
Maternal Ingestion of Teratogens 327
Margie Profet
9. Nurturance or Negligence: Maternal Psychology and
Behavioral Preference Among Preterm Twins 367
Janet Mann
10. Human Maternal Vocalizations to Infants as Biologically
Relevant Signals: An Evolutionary Perspective 391
Anne Fernald
11. The Social Nature of Play Fighting and Play Chasing:
Mechanisms and Strategies Underlying Cooperation and
Compromise 429
Michael J. Boulton and Peter K. Smith
V. PERCEPTION AND LANGUAGE AS ADAPTATIONS
12. Natural Language and Natural Selection 451
Steven Pinker and Paul Bloom
13. The Perceptual Organization of Colors: An Adaptation to
Regularities of the Terrestrial World? 495
Roger N. Shepard
14. Sex Differences in Spatial Abilities: Evolutionary Theory
and Data 533
Irwin Silverman and Marion Eals
VI. ENVIRONMENTAL AESTHETICS
15. Evolved Responses to Landscapes 555
Gordon H. Orians and Judith H. Heerwagen
16. Environmental Preference in a Knowledge-Seeking,
Knowledge-Using Organism 581
Stephen Kaplan
VII. INTRAPSYCHIC PROCESSES
17. The Evolution of Psychodynamic Mechanisms 601
Randolph M. Nesse and Alan T. Lloyd

VIII. NEW THEORETICAL APPROACHES TO CULTURAL
PHENOMENA
18. Beneath New Culture Is Old Psychology: Gossip and
Social Stratification 627
Jerome H. Barkow
Author Index 639
Subject Index 657