RECORD: Darwin, C. R. n.d. Abstract of Audubon and Gould. CUL-DAR84.2.153. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 2.2022. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volumes CUL-DAR80-86 contain material for Darwin's book Descent of man (1871).
Darwin cited this in Descent 2: 58, 126, 229.
[153]
Tetrao morphanium ♀ destitute of bare skin for Drumming Audubon IV. p. 507
[Descent 2: 58, n42: Richardson, "'Fauna Bor. Americana: Birds,' 1831, p. 359. Audubon, ibid. vol. iv. p. 507."]
Anser hyperboreus. Audubon 4. p. 566 apparently breeds in immature plumage.
According to Blyth some Herons exhibit a sort of dimorphism & presumably are either white or dark
[Descent 2: 229, n54: "On the Anser hyperboreus, Audubon, 'Ornith. Biography,' vol. iv. p. 562."]
Gould. Vol. 2. p. 32 Parrakeet, thigh in some scarlet, in some green.
p. 68 analogous case - Abrupt variations
[Descent 2: 126, n34: "Gould, 'Handbook of Birds of Australia,' vol. ii. p. 32 and 68."]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022