[95] _Ibid._, p. 27.

[96] Albert Niblack, The Coast Indians of Southern Alaska and Northern
British Columbia, pp. 298-299, 304, 337-339. Washington, 1888.

[97] Ratzel, History of Mankind, Vol. III, p. 173. London, 1896-1898.

[98] _Ibid._, Vol. III. pp. 173-174.

[99] Sven Hedin, Central Asia and Tibet, Vol. I, p. 184. New York and
London, 1903.

[100] John de Plano Carpini, Journey in 1246, p. 130. _Hakluyt Society_,
London, 1904.

[101] Journey of William de Rubruquis in 1253, p. 188. _Hakluyt
Society_, London, 1903.

[102] Volney, quoted in Malthus, Principles of Population, Chap. VII, p.
60. London, 1878.

[103] Genesis, Chap. XIII, 1-12.

[104] Herbert Spencer, Principles of Sociology, Vol. I. p. 457. New
York.

[105] Heinrich von Treitschke, _Politik_, Vol. I, pp. 202-204. Leipzig,
1897.