The Variation of Animals and Plants Under Domestication, Vol. I.

by Charles Darwin

[75] 'History of Quadrupeds,' 1793, vol. i. p. 238.

[76] 'Oriental Field Sports,' quoted by Youatt, 'The Dog,' p. 15.

[77] Quoted by Mr. Galton, 'Domestication of Animals,' p. 13.

[78] 'Hist. Nat. Gén.,' tom. iii. p. 450.

[79] Mr. Greenhow on the Canadian Dog, in Loudon's 'Mag. of Nat. Hist.,' vol. vi., 1833, p. 511.

[80] See Mr. C. O. Groom-Napier on the webbing of the hind feet of Otter-hounds, in 'Land and Water,' Oct. 13th, 1866, p. 270.

[81] 'Fauna Boreali-Americana,' 1829, p. 62.

[82] 'The Horse in all his Varieties,' &c., 1829, pp. 230, 234.

[83] 'The Dog,' 1845, pp. 31, 35; with respect to King Charles's spaniel, p. 45; for the setter, p. 90.

[84] In the 'Encyclop. of Rural Sports,' p. 557.