Man and culture -- Energy and tools -- The nature of social organization -- The transition from anthropoid society to human society -- Exogamy and endogamy -- Kinship -- Structure, functions, and evolution of human social systems -- Integration, regulation, and control of social systems -- Economic organization of primitive society -- Philosophy : myth and lore -- Primitive culture as a whole -- The agricultural revolution -- The state-church : its forms and functions -- Economic structure of higher cultures -- Theology and science -- Summary.