[12] Chap. iv, pp. 97–99. See also Kautsky, “Die sozialen Triebe in der Tierwelt” (“Neue Zeit”, 1883); Letourneau, “L’évolution de la morale”, pp. 59–64; and Kropotkin, “Mutual Aid among Animals” (“Nineteenth Century”, 1890). [↑]
[13] “Eskimo Life”, p. 101. [↑]
[17] Op. cit., II, pp. 342, 343. [↑]
[18] “Illustrations of the Manners, Customs, and Conditions of the North American Indians”, pp. 9, 10. [↑]
[19] “Ancient Society”, pp. 85, 86. [↑]
[20] “Houses and House-life of the American Aborigines.” For the facts with regard to the North American Indians east of the Rocky Mountains, see Waitz, op. cit., III, pp. 160 ff. [↑]
[21] “The Malay Archipelago”, II, p. 283; see also Waitz, op. cit., III; Spencer, “Descriptive Sociology”, No. 6 (“American Races”), pp. 31, 32. [↑]