Introduction; Part 1 Psychology; Chapter 1 Sociology and Psychology; Chapter 2 Freud’s Concept of the “Censorship”; Chapter 3 The Primitive Conception of Death; Chapter 4 Intellectual Concentration in Primitive Man; Part 2 Psycho–Medical Studies; Chapter 5 Massage in Melanesia; Chapter 6 Circumcision, Incision and Subincision; Chapter 7 Sexual Relations and Marriage in Eddystone Island of the Solomons; Part 3 Diffusion; Part 3a A.–Psychological; Chapter 8 The Concept of “Soul-Substance” in New Guinea and Melanesia; Chapter 9 The Ethnological Analysis of Culture; Part 3b B.–Cultural and Historical; Chapter 10 Convergence in Human Culture; Chapter 11 A Modern Megalithic Culture; Chapter 12 The Problem of Australian Culture; Chapter 13 The Distribution of Megalithic Civilization; Chapter 14 Land Tenure in Melanesia; Chapter 15 The Disappearance of Useful Arts; Chapter 16 The Double Canoe; Chapter 17 Sun-Cult and Megaliths in Oceania; Chapter 18 The Peopling of Polynesia; Chapter 19 Irrigation and the Cultivation of Taro; Part 4 General; Chapter 20 Trade, Warfare, and Slavery; Chapter 21 The Contact of Peoples;