echenland," _Archiv
fuer Anthropologie_ Vol. XVII, pp. 193ff.]

[Footnote 89: G. Mayr, _Die Gesetzmaessigkeit im Gesellschaftsleben_
(1877), p. 144.]

[Footnote 90: V. Turquan, "Statistique des centenaires," _Revue
scientifique_ September 1, 1888.]

[Footnote 91: Lombroso e Ferrero, _loc. cit._, chap. 10.]

[Footnote 92: E. Lloyd Jones, "Further Observations on the Specific
Gravity of the Blood in Health and Disease," _Journal of Physiology_,
Vol. XII, p. 308.]

[Footnote 93: Cf. Topinard, _Loc. cit._, pp. 517-25, 557, 558.]

[Footnote 94: Ibid., p. 559.]

[Footnote 95: H. Ploss, _Das Weib in der Natur--und Voelkerkunde_, 3.
Aufl., Vol. II, p. 379.]

[Footnote 96: 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.]

[Footnote 97: L.H. Morgan, _Houses and House-Life of the American
Aborigines_, p. 64.]

[Footnote 98: _Loc. cit._]

[Footnote 99: W.J. McGee, "The Beginning of Marriage," _American
Anthropologist_, Vol. IX, p. 376.]

[Footnote 100: E.B. Tylor, "The Matriarchal Family System,"
_Nineteenth Century_, July, 1896, p. 89.]

[Footnote 101: Fison and Howitt, _Kamilaroi and Kurnai_, pp. 33ff.]

[Footnote 102: F. Ratzel, _History of Mankind_, Vol. I, p. 438.]

[Footnote 103: J. Lippert, _Kulturgeschichte_, Vol. II, p. 57.]

[Footnote 104: Lubbock, _Origin of Civilization_, p. 151.]

[Footnote 105: Tylor, _loc. cit._, p. 87.]

[Footnote 106: W. Robertson Smith, _Kinship and Marriage in Early
Arabia_, p. 65.]

[Footnote 107: Ibid., p. 94.]

[Footnote 108: Ibid., p. 173.]

[Footnote 109: Gen. 24:5, 53.]

[Footnote 110: Gen. 31:43.]

[Footnote 111: Judg. 8:19.]

[Footnote 112: Judg. 15.]

[Footnote 113: Cf. Smith, _loc. cit._, 176.]

[Footnote 114: II Sam. 13:13.]

[Footnote 115: G.A. Wilken, _Das Matriarchat_, p. 41.]

[Footnote 116: Herodotus (Rawlinson), I, 173.]

[Footnote 117: Ibid., III, 119.]

[Footnote 118: Lines 905ff.]

[Footnote 119: E.J. Simcox, _Primitive Civilisations_, Vol. I, pp.
200-11, 233, _et passim_.]

[Footnote 120: Notably, Westermarck, _History of Human Marriage_, pp.
100ff.]

[Footnote 121: _Dissertation on Early Law and Custom_, p. 202.]

[Footnote 122: It prepares the way, however, only in the sense that it
furnishes the mass out of which the organization arises. If there had
be