A history of land mammals in the western hemisphere

by William Berryman Scott

[8] Flower and Lydekker, Mammals Living and Extinct, p. 332.

[9] Flower and Lydekker, op. cit., pp. 307-308.

[10] Flower and Lydekker, op. cit., pp. 355 and 357.

[11] The Woodland Bison of Canada is now regarded as a distinct species.

[12] Darwin, Voyage of a Naturalist, p. 172.

[13] F. E. Beddard, Mammals, London, 1902, pp. 550, 551.

[14] Bates, Naturalist on the Amazons, London, 1875, pp. 32, 140.

[15] Bates, Naturalist on the Amazons, London, 1875, pp. 332, 333.

[16] Beddard, op. cit., pp. 555, 556.

[17] A. Hrdlička, Smithsonian Institution, Bureau of Ethnology, Bulletin 33, 1907, p. 98.