96: [(return)]
Endogamous tribes have survived, in the main, in isolated regions where competition was not sufficiently sharp to set a premium on exogamy. It may be assumed that the history of exogamous groups has been more cataclysmical.
97: [(return)]
L.H. Morgan, Houses and House-Life of the American Aborigines, p. 64.
98: [(return)]
Loc. cit.
99: [(return)]
W.J. McGee, "The Beginning of Marriage," American Anthropologist, Vol. IX, p. 376.
100: [(return)]
E.B. Tylor, "The Matriarchal Family System," Nineteenth Century, July, 1896, p. 89.
101: [(return)]
Fison and Howitt, Kamilaroi and Kurnai, pp. 33ff.
102: [(return)]
F. Ratzel, History of Mankind, Vol. I, p. 438.
103: [(return)]
J. Lippert, Kulturgeschichte, Vol. II, p. 57.
104: [(return)]
Lubbock, Origin of Civilization, p. 151.
105: [(return)]
Tylor, loc. cit., p. 87.