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| Social Evolution | |
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| The Morality of the Gene | |
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| Elementary Concepts of Sociobiology | |
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| The Multiplier Effect | |
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| The Evolutionary Pacemaker and Social Drift | |
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| The Concept of Adaptive Demography | |
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| The Kinds and Degrees of Sociality | |
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| The Concept of Behavioral Scaling | |
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| The Dualities of Evolutionary Biology | |
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| Reasoning in Sociobiology | |
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| The Prime Movers of Social Evolution | |
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| Phylogenetic Inertia | |
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| Ecological Pressure | |
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| The Reversibility of Social Evolution | |
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| The Relevant Principles of Population Biology | |
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| Microevolution | |
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| Heritability | |
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| Polygenes and Linkage Disequilibrium | |
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| The Maintenance of Genetic Variation | |
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| Phenodeviants and Genetic Assimilation | |
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| Inbreeding and Kinship | |
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| Assortative and Disassortative Mating | |
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| Population Growth | |
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| Density Dependence | |
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| Intercompensation | |
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| Population Cycles of Mammals | |
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| Life Tables | |
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| The Stable Age Distribution | |
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| Reproductive Value | |
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| Reproductive Effort | |
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| The Evolution of Life Histories | |
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| r and K Selection | |
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| The Evolution of Gene Flow | |
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| Group Selection and Altruism | |
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| Group Selection | |
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| Interdemic (Interpopulation) Selection | |
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| Kin Selection | |
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| Reciprocal Altruism | |
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| Altruistic Behavior | |
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| The Field of Righteousness | |
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| Social Mechanisms | |
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| Group Size, Reproduction, and Time-Energy Budgets | |
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| The Determinants of Group Size | |
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| Adjustable Group Size | |
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| The Multiplication and Reconstitution of Societies | |
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| Time-Energy Budgets | |
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| The Development and Modification of Social Behavior | |
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| Tracking the Environment with Evolutionary Change | |
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| The Hierarchy of Organismic Responses | |
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| Tracking the Environment with Morphogenetic Change | |
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| Nongenetic Transmission of Maternal Experience | |
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| Hormones and Behavior | |
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| Learning | |
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| Socialization | |
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| Play | |
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| Tradition, Culture, and Invention | |
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| Tool Using | |
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| Communication: Basic Principles | |
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| Human versus Animal Communication | |
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| Discrete versus Graded Signals | |
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| The Principle of Antithesis | |
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| Signal Specificity | |
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| Signal Economy | |
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| The Increase of Information | |
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| The Measurement of Communication | |
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| The Pitfalls of Information Analysis | |
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| Redundancy | |
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| Communication: Functions and Complex Systems | |
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| The Functions of Communication | |
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| The Higher Classification of Signal Function | |
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| Complex Systems | |
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| Communication: Origins and Evolution | |
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| The Sensory Channels | |
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| Evolutionary Competition among Sensory Channels | |
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| Aggression | |
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| Aggression and Competition | |
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| The Mechanisms of Competition | |
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| The Limits of Aggression | |
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| The Proximate Causes of Aggression | |
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| Human Aggression | |
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| Social Spacing, Including Territory | |
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| Individual Distance | |
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| A "Typical" Territorial Species | |
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| The History of the Territory Concept | |
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| The Multiple Forms of Territory | |
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| The Theory of Territorial Evolution | |
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| Special Properties of Territory | |
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| Territories and Population Regulation | |
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| Interspecific Territoriality | |
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| Dominance Systems | |
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| History of the Dominance Concept | |
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| Examples of Dominance Orders | |
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| Special Properties of Dominance Orders | |
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| The Advantages of Being Dominant | |
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| The Compensations of Being Subordinate | |
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| The Determinants of Dominance | |
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| Intergroup Dominance | |
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| Interspecific Dominance | |
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| Scaling in Aggressive Behavior | |
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| Roles and Castes | |
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| The Adaptive Significance of Roles | |
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| The Optimization of Caste Systems | |
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| Roles in Vertebrate Societies | |
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| Roles in Human Societies | |
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| Sex and Society | |
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| The Meaning of Sex | |
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| Evolution of the Sex Ratio | |
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| Sexual Selection | |
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| The Theory of Parental Investment | |
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| The Origins of Polygamy | |
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| The Origins of Monogamy and Pair Bonding | |
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| Communal Displays | |
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| Other Ultimate Causes of Sexual Dimorphism | |
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| Parental Care | |
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| The Ecology of Parental Care | |
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| Parent-Offspring Conflict | |
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| Parental Care and Social Evolution in the Insects | |
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| Parental Care and Social Evolution in the Primates | |
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| Other Animal Ontogenies | |
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| Alloparental Care | |
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| Adoption | |
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| Social Symbioses | |
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| Social Commensalism | |
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| Social Mutualism | |
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| Parabiosis | |
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| Mixed Species Groups in Vertebrates | |
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| Trophic Parasitism | |
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| Xenobiosis | |
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| Temporary Social Parasitism in Insects | |
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| Brood Parasitism in Birds | |
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| Slavery in Ants | |
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| Inquilinism in Ants | |
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| The General Occurrence of Social Parasitism in Insects | |
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| Breaking the Code | |
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| The Social Species | |
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| The Four Pinnacles of Social Evolution | |
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| The Colonial Microorganisms and Invertebrates | |
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| The Adaptive Basis of Coloniality | |
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| General Evolutionary Trends in Coloniality | |
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| Slime Molds and Colonial Bacteria | |
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| The Coelenterates | |
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| The Ectoprocts | |
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| The Social Insects | |
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| What Is a Social Insect? | |
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| The Organization of Insect Societies | |
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| The Prime Movers of Higher Social Evolution in Insects | |
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| The Social Wasps | |
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| The Ants | |
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| The Social Bees | |
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| The Termites | |
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| The Cold-Blooded Vertebrates | |
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| Fish Schools | |
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| The Social Behavior of Frogs | |
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| The Social Behavior of Reptiles | |
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| The Birds | |
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| The Crotophaginae | |
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| The Jays | |
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| Evolutionary Trends within the Mammals | |
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| General Patterns | |
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| The Whiptail Wallaby (Macropus parryi) | |
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| The Black-tail Prairie Dog (Cynomys ludovicianus) | |
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| Dolphins | |
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| The Ungulates and Elephants | |
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| The Ecological Basis of Social Evolution | |
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| Chevrotains (Tragulidae) | |
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| The Vicuna (Vicugna vicugna) | |
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| The Blue Wildebeest (Connochaetes taurinus) | |
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| The African Elephant (Loxodonta africana) | |
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| The Carnivores | |
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| The Black Bear (Ursus americanus) | |
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| The Coati (Nasua narica) | |
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| The Lion (Panthera leo) | |
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| Wolves and Dogs (Canidae) | |
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| The Nonhuman Primates | |
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| The Distinctive Social Traits or Primates | |
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| The Ecology of Social Behavior in Primates | |
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| The Lesser Mouse Lemur (Microcebus murinus) | |
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| The Orang-utan (Pongo pygmaeus) | |
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| The Dusky Titi (Callicebus moloch) | |
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| The White-Handed Gibbon (Hylobates lar) | |
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| The Mantled Howler (Alouatta villosa) | |
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| The Ring-Tailed Lemur (Lemur catta) | |
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| The Hamadryas Baboon (Papio hamadryas) | |
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| The Eastern Mountain Gorilla (Gorilla gorilla beringei) | |
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| The Chimpanzee (Pan troglodytes) | |
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| Man: From Sociobiology to Sociology | |
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| Plasticity of Social Organization | |
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| Barter and Reciprocal Altruism | |
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| Bonding, Sex, and Division of Labor | |
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| Role Playing and Polyethism | |
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| Communication | |
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| Culture, Ritual, and Religion | |
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| Ethics | |
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| Esthetics | |
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| Territoriality and Tribalism | |
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| Early Social Evolution | |
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| Later Social Evolution | |
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| The Future | |
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| Glossary | |
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| Bibliography | |
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| Index | |