Preface -- List of Contributors -- I Fitness -- 1 The Propensity Interpretation of Fitness -- 2 The Two Faces of Fitness -- II Units of Selection -- 3 Excerpts from Adaptation and Natural Selection -- 4 Levels of Selection: An Alternative to Individualism in Biology and the Human Sciences -- III Adaptationism -- 5 The Spandrels of San Marco and the Panglossian Paradigm: A Critique of the Adaptationist Programme -- 6 Optimization Theory in Evolution -- IV Women in the Evolutionary Process -- 7 Empathy, Polyandry, and the Myth of the Coy Female -- 8 Pre-theoretical Assumptions in Evolutionary Explanations of Female Sexuality -- V Evolutionary Psychology -- 9 Toward Mapping the Evolved Functional Organization of Mind and Brain -- 10 Evolutionary Psychology: A Critique -- VI Laws in Evolutionary Theory -- 11 The Evolutionary Contingency Thesis -- 12 Two Outbreaks of Lawlessness in Recent Philosophy of Biology -- VII Reductionism -- 13 1953 and All That: A Tale of Two Sciences -- 14 Why the Antireductionist Consensus Won't Survive the Case of Classical Mendelian Genetics -- 15 The Multiple Realizability Argument Against Reductionism -- VIII Essentialism and Population Thinking -- 16 Typological versus Population Thinking -- 17 Evolution, Population Thinking, and Essentialism -- IX Species -- 18 A Matter of Individuality -- 19 Choosing Among Alternative ''Phylogenetic'' Species Concepts -- X Phylogenetic Inference -- 20 Cases in Which Parsimony or Compatibility Methods Will Be Positively Misleading -- 21 The Logical Basis of Phylogenetic Analysis -- XI Race-Social Construction or Biological Reality? -- 22 Why There Are No Human Races -- 23 A New Perspective on the Race Debate -- XII Cultural Evolution -- 24 Does Culture Evolve? -- 25 Models of Cultural Evolution -- XIII Evolutionary Ethics -- 26 Moral Philosophy as Applied Science.

27 Four Ways of ''Biologicizing'' Ethics -- Index.