ph. Bot.,' tom. i., 1854, p. 182.

[736] 'Das Abaendern der Voegel,' 1833, s. 74.

[737] Nathusius, 'Die Racen des Schweines,' 1860, s. 53, 57; 'Vorstudien
... Schweineschaedel,' 1864, s. 103, 130, 133.

[738] 'Journal of Agriculture of Highland Soc.,' July, 1860, p. 321.

[739] 'Principles of Biology,' vol. ii. p. 263.

[740] 'Natural History Review,' vol. iv., Oct. 1864, p. 617.

[741] 'Lectures on Surgical Pathology,' 1853, vol. i. p. 27.

[742] Andersson, 'Travels in South Africa,' p. 318. For analogous cases in
South America, _see_ Aug. St. Hilaire, 'Voyage dans le Province de Goyaz,'
tom. i. p. 71.

[743] Brickell's 'Nat. Hist. of North Carolina,' 1739, p. 53.

[744] Livingstone, quoted by Youatt on Sheep, p. 142. Hodgson, in 'Journal
of Asiatic Soc. of Bengal,' vol. xvi., 1847, p. 1006, &c. &c.

[745] 'Naturalist Library,' Dogs, vol. ii. 1840, p. 104.

[746] 'De l'Espece,' tom. i., 1859, p. 367.

[747] 'Ceylon,' by Sir J. E. Tennent, 1859, vol. ii. p. 531.

[748] For the foregoing statements, _see_ Hunter's 'Essays and
Observations,' 1861, vol. ii. p. 329; Dr. Edmondston, as quoted in
Macgillivray's 'British Birds,' vol. v. p. 550; Menetries, as quoted in
Bronn's 'Geschichte der Natur,' B. ii. s. 110.

[749] These statements on the intestines are taken from Isidore Geoffroy
St. Hilaire, 'Hist. Nat. Gen.,' tom. iii. pp. 427, 441.

[750] Gilbert White, 'Nat. Hist. Selbourne,' 1825, vol. ii. p. 121.

[751] Burdach, 'Traite de Phys.,' tom. ii. p. 267, as quoted by Dr. P.
Lucas, 'L'Hered. Nat.,' tom. i. p. 388.

[752] This and several other cases are given by Colin, 'Physiologie Comp.
des Animaux Dom.,' 1854, tom. i. p. 426.

[753] M. Michely de Cayenne, in 'Bull. Soc. d'Acclimat.,' tom. viii., 1861,
p. 563.

[754] Quatrefages, 'Unite de l'Espece Humaine,' 1861, p. 79.

[755] 'Flora,' 1835, B. ii. p. 504.

[756] Alph. De Candolle, 'Geograph. Bot.,' tom. ii. p. 1078.

[757] Royle, 'Illustrations of the Botany of the Himalaya,' p. 19.

[758] 'Gardener's Chronicle,' 1850, pp. 204, 219.

[759] Rev. R. Everest, 'Journal As. Soc. of Bengal,' vol. iii. p. 19.

[760] Youatt on Sheep, 1838, p. 491.

[761] Royle, 'Prod. Resources of India,' p. 153.

[762] Tegetmeier, 'Poultry Book,' 1866, p. 102.

[763] Dr. R. Paterson, in a paper communicated to Bot. Soc. of Canada,
quoted in the 'Reader,' 1863. Nov. 13th.

[764] _See_ remarks by Editor in 'Gard. Chronicle,' 1848, p. 5.

[765] 'Gard. Chronicl