[160] Hewitt on wild ducks, ‘Journal of Horticulture,’ Jan. 13, 1863, p. 39. Audubon on the wild turkey, ‘Ornith. Biography,’ vol. i. p. 14. On the mocking thrush, ibid. vol. i. p. 110.

[161] The ‘Ibis,’ vol. ii. 1860, p. 344.

[162] On the ornamented nests of humming-birds, Gould, ‘Introduction to the Trochilidæ,’ 1861, p. 19. On the bower-birds, Gould, 'Handbook to the Birds of Australia,’ 1865, vol. i. p. 444-461. Mr. Ramsay in the ‘Ibis,’ 1867, p. 456.

[163] ‘Hist. of British Birds,’ vol. ii. p. 92.

[164] ‘Zoologist,’ 1853-1854, p. 3946.

[165] Waterton, ‘Essays on Nat. Hist.’ 2nd series, p. 42, 117. For the following statements, see on the wigeon, Loudon’s ‘Mag. of Nat. Hist.’ vol. ix. p. 616; L. Lloyd, ‘Scandinavian Adventures,’ vol. i. 1854, p. 452; Dixon, ‘Ornamental and Domestic Poultry,’ p. 137; Hewitt, in ‘Journal of Horticulture,’ Jan. 13, 1863, p. 40; Bechstein, ‘Stubenvögel,’ 1840, s. 230.

[166] Audubon, ‘Ornitholog. Biography,’ vol. i. p. 191, 349; vol. ii. p. 42, 275; vol. iii. p. 2.

[167] ‘Rare and Prize Poultry,’ 1854, p. 27.

[168] ‘The Variation of Animals and Plants under Domestication,’ vol. ii. p. 103.

[169] Boitard and Corbié, ‘Les Pigeons,’ 1824, p. 12. Prosper Lucas (‘Traité de l’Héréd. Nat.’ tom. ii. 1850, p. 296) has himself observed nearly similar facts with pigeons.