[209]

See Darwin, The Variation of Animals and Plants under Domestication, i. London, 1868, pp. 131-224; Tegetmeier, Pigeons, their Structure, etc. London: 1867.

[210]

Strickland and Melville, The Dodo and its Kindred, London, 1848; A. Newton, Dict. Birds, 1893, pp. 155-161, 215, 216; E. Newton and H. Gadow, Tr. Zool. Soc. London, xiii. 1893, pp. 281-302.

[211]

Phil. Trans. clix. 1869, pp. 327-362; clxviii. 1879, pp. 448-451. Further details will be found in Strickland and Melville's work The Dodo and its Kindred, London, 1848, pp. 46-56; A. Newton, Dict. Birds, 1896, pp. 887-892.

[212]

P.Z.S. 1874, pp. 183, 184.

[213]

Op. cit. 1852, p. 87.