[5] Rev. E. S. Dixon, ‘Ornamental and Domestic Poultry’ (1848), p. 117. Mr. B. P. Brent, in ‘Poultry Chronicle,’ vol. iii., 1855, p. 512.
[6] Crawfurd on the ‘Relation of Domesticated Animals to Civilisation,’ read before the Brit. Assoc. at Oxford, 1860.
[7] Dureau de La Malle, in ‘Annales des Sciences Nat.,’ tom. xvii. p. 164; and tom. xxi. p. 55. Rev. E. S. Dixon, ‘Ornamental Poultry,’ p. 118. Tame ducks were not known in Aristotle’s time, as remarked by Volz, in his ‘Beiträge zur Kulturgeschichte,’ 1852, s. 78.
[8] I quote this account from ‘Die Enten-und Schwanenzucht,’ Ulm 1828, s. 143. See Audubon’s ‘Ornithological Biography,’ vol. iii. p. 168, on the taming of ducks on the Mississippi. For the same fact in England, see Mr. Waterton in Loudon’s ‘Mag. of Nat. Hist.,’ vol. viii. 1835, p. 542; and Mr. St. John, ‘Wild Sports and Nat. Hist. of the Highlands,’ 1846, p. 129.
[9] Mr. E. Hewitt, in ‘Journal of Horticulture,’ 1862, p. 773; and 1863, p. 39.
[10] I have met with several statements on the fertility of the several breeds when crossed. Mr. Yarrell assured me that Call and common ducks are perfectly fertile together. I crossed Hook-billed and common ducks, and a Penguin and Labrador, and the crossed Ducks were quite fertile, though they were not bred inter se, so that the experiment was not fully tried. Some half-bred Penguins and Labradors were again crossed with Penguins, and subsequently bred by me inter se, and they were extremely fertile.
[11] ‘Poultry Chronicle,’ 1855, vol. iii. p. 512.
[12] ‘Journal of the Indian Archipelago,’ vol. v. p. 334.
[13] ‘The Zoologist,’ vols. vii, viii. (1849-1850), p. 2353.
[14] ‘Poultry Chronicle,’ 1855, vol. iii. p. 512.