Part I : Hunters and collectors : African pygmies; Asiatic pygmies; Some non-pygmy hunters of the tropical forests; The natives of Australia; The bushmen of the Kalahari Desert; The plains' Indians -- Part II : Hunters and fishers : The coastal Indians of British Columbia; The Fuegians; The eskimos -- Part III : Gardeners: Primitive cultivators of Amazonia; Primitive cultivators of equatorial Africa; Primitive cultivators and fishers of the South Seas (I. General); Primitive cultivators and fishers of the South Seas (II. Melanesians and Poynesians) -- Part IV: Herders : The herders of Arabia; The herders of the steppes; The herders of the tundra