Quoted in G. Sergi, The Mediterranean Race, p. 73. London and New York, 1901.

Ibid., pp. 63-69, 74-75.

T. Waitz, Anthropology, pp. 44-45. Edited by J.F. Collingwood, London, 1863.

W.Z. Ripley, Races of Europe, p. 76. New York, 1899.

For able discussion, see Topinard, Anthropology, pp. 385-392. Tr. from French, London, 1894.

J. Johnson, Jurisprudence of the Isle of Man, pp. 44, 71. Edinburgh, 1811.

Charles F. Hall, Arctic Researches and Life among the Eskimo, p. 571. New York, 1866. Franz Boas, The Central Eskimo, Sixth Annual Report of the Bureau of Ethnology, pp. 588-590. Washington, 1888.

Ratzel, History of Mankind, Vol. I, p. 35. London, 1896-1898.

Roscher, National-Oekonomik des Ackerbaues, p. 34, note 8. Stuttgart, 1888.

Elisée Reclus, The Earth and Its Inhabitants, Asia, Vol. I, p. 171. New York, 1895.