Includes bibliographical references (p. 599-663) and index
Pt. I. Social evolution. The morality of the gene ; Elementary concepts of sociobiology ; The prime movers of social evolution ; The relevant principles of population biology ; Group selection and altruism -- Pt. II. Social mechanisms. Group size, reproduction, and time-energy budgets ; The development and modification of social behavior ; Communication: Basic principles ; Communication: Functions and complex systems ; Communication: Origins and evolution ; Aggression ; Social spacing, including territory ; Dominance systems ; Roles and castes ; Sex and society ; Parental care ; Social symbioses -- Pt. III. The social species. The four pinnacles of social evolution ; The colonial microorganisms and invertebrates ; The social insects ; The cold-blooded vertebrates ; The birds ; Evolutionary trends within the mammals ; The ungulates and elephants ; The carnivores ; The nonhuman primates ; Man: from sociobiology to sociology -- Glossary