FOOTNOTES
[1] Memoirs of the University of California, Vol. I, pp. 209-211.
[2] Voyage of a Naturalist, Amer. ed., pp. 133-134.
[3] J. W. Gregory, The Great Rift Valley, p. 268.
[4] Voyage of a Naturalist, Am. ed., 1891, p. 82.
[5] D. H. Scott, Studies in Fossil Botany, London, 1900, pp. 524-525.
[6] The names, Javan and Sumatran rhinoceroses, are somewhat misleading, since both of these species are also found on the mainland of India.
[7] This plausible and no doubt correct explanation was suggested to me by my colleague, Professor C. F. Brackett.
[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.
[18] Ibid., Bulletin 52, 1912, pp. 385, 386.
[19] K. von Zittel, Handbuch der Palaeontologie, Bd. IV, p. 132.
[20] Reports of the Princeton University Expeditions to Patagonia, Vol. IV, Pt. 3.
[21] W. K. Gregory, The Orders of Mammals; Bull. Amer. Mus. Nat. History, Vol. XXVII, p. 211.
[22] M. Schlosser, Beiträge zur Kenntniss der Oligozänen Landsäugethiere aus dem Fayum, Vienna, 1911, p. 165.
[23] W. Waagen, Die Formenreihe des Ammonites subradiatus, Benecke’s Geognost.-Palæont. Beitr., Bd. I, pp. 185-186.
[24] M. Neumayr, Die Stämme des Thierreiches, Bd. I, p. 60.