[57] ‘The Dovecote and Aviary,’ p. 428.
[58] ‘Ornithological Biography,’ vol. iii. p. 9.
[59] ‘Geograph. Journal,’ vol. xiii., 1844, p. 32.
[60] Loudon’s ‘Mag. of Nat. Hist.,’ vol. v., 1832, p. 153.
[61] ‘Zoologist,’ vols. v.-vi., 1847-48, p. 1660.
[62] ‘Transact. Entomolog. Soc.,’ vol. iv., 1845, p. 60.
[63] ‘Transact. Linn. Soc.,’ vol. vii. p. 40.
[64] See an interesting paper by Mr. Newman in the ‘Zoologist,’ 1857, p. 5764; and Dr. Wallace, in ‘Proc. Entomolog. Soc.,’ June 4th, 1860, p. 119.
[65] Yarrell’s ‘British Birds,’ vol. i. p. 506; Bechstein ‘Stubenvögel,’ s. 185; ‘Philosoph. Transact.,’ 1772, p. 271. Bronn (‘Geschichte der Natur,’ Band ii. s. 96) has collected a number of cases. For the case of the deer, see ‘Penny Cyclop.,’ vol. viii. p. 350.
[66] ‘Journal de Physiologie,’ tom. ii. p. 347.