[150] Mr. Bates remarks (‘The Naturalist on the Amazons,’ 1863, vol. ii. p. 159), with respect to the Indians of the same S. American tribe, “no two of them were at all similar in the shape of the head; one man had an oval visage with fine features, and another was quite Mongolian in breadth and prominence of cheek, spread of nostrils, and obliquity of eyes.”
[151] Blumenbach, ‘Treatises on Anthropolog.’ Eng. translat., 1865, p. 205.
[152] Godron, ‘De l’Espèce,’ 1859, tom. ii. livre 3. Quatrefages, ‘Unité de l’Espèce Humaine,’ 1861. Also Lectures on Anthropology, given in the ‘Revue des Cours Scientifiques,’ 1866-1868.
[153] ‘Hist. Gen. et Part. des Anomalies de l’Organisation,’ in three volumes, tom. i. 1832.
[154] I have fully discussed these laws in my ‘Variation of Animals and Plants under Domestication,’ vol. ii. chap. xxii. and xxiii. M. J. P. Durand has lately 1868; published a valuable essay ‘De l’Influence des Milieux, &c.’ He lays much stress on the nature of the soil.
[155] ‘Investigations in Military and Anthrop. Statistics,’ &c. 1869, by B. A. Gould, p. 93, 107, 126, 131, 134.
[156] For the Polynesians, see Prichard’s ‘Physical Hist. of Mankind,’ vol. v. 1847, p. 145, 283. Also Godron, ‘De l’Espèce,’ tom. ii. p. 289. There is also a remarkable difference in appearance between the closely-allied Hindoos inhabiting the Upper Ganges and Bengal; see Elphinstone’s 'History of India,’ vol. i. p. 324.
[157] ‘Memoirs, Anthropolog. Soc.’ vol. iii. 1867-69, p. 561, 565, 567.
[158] Dr. Brakenridge, ‘Theory of Diathesis,’ ‘Medical Times,’ June 19 and July 17, 1869.
[159] I have given authorities for these several statements in my ‘Variation of Animals under Domestication,’ vol. ii. p. 297-300. Dr. Jaeger, “Ueber das Längenwachsthum der Knochen,” ‘Jenaischen Zeitschrift,’ B. v. Heft i.