[117] W. P. Clark, Indian Sign Language, p. 229 (Philadelphia, 1885); Whipple, Ewbank and Turner, Report on Indian Tribes, pp. 28, 80. (Washington, 1855.)
[118] R. Virchow, Verhand. der Berliner Gesell. für Anthropologie, 1889, s. 400.
[119] Dr. Franz Boas, “Fourth Report on the Tribes of the North West Coast,” in Proceed. Brit. Assoc. Adv. Science, 1887.
[120] Dr. J. L. Le Conte, “On the Distinctive Characteristics of the Indians of California,” in Trans. of the Amer. Assoc. for the Adv. of Science, 1852, p. 379.
[121] Dr. Aurel Krause, Die Tlinkit Indianer. (Jena, 1885.)
[122] See the various reports of Dr. Boas to the British Association for the Advancement of Science, and the papers of Messrs. Tolmie and Dawson, published by the Canadian government.
[123] A Manual of the Oregon Trade Language or Chinook Jargon. By Horatio Hale. (London, 1890.)
[124] Dr. W. F. Corbusier, in American Antiquarian, 1886, p. 276; Dr. Ten Kate, in Verhand. der Berliner Gesell. Für Anthrop., 1889, s. 667.
[125] J. R. Bartlett, Explorations in New Mexico, Vol. I., p. 464. C. A. Pajeken, Reise-Erinnerungen in ethnographischen Bildern, s. 97.
[126] Whipple, Ewbank and Turner, Report on Indian Tribes (Washington, 1855), and numerous later authorities, give full information about the Yumas.