RECORD: Darwin, C. R. n.d. Blyth abstract of letter from Blyth (24 Feb., 1867) on Sexual S. CUL-DAR83.34. 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, vol. 2. Darwin's abstract is from CUL-DAR83.150-151
[34]
Blyth abstract of letter on Sexual S.
Sheet I. on Bustards nuptial plumage confined to males. In plover & sandpiper common to both sexes. except in Ruffs & Reeve, but in latter female does undergo some change, with trace of frill. - Case of do in likewise polygamous Rallidae
sheet II. seasonal changes in Gulls & Terns common to both sexes
Sheet II. p. 2. Canines in Walrus - perhaps seals Do not differ in terrene carnivora -
--- p. 3. Canines in Ruminants
no canines in Hollow-Horned Ruminant [vary] in Antelope - Larger in ♂Camel & Guanacoes
Narwhal & Mastodon ohioticus
not much in other monkeys
Sheet III. p. 4. some males Deer have nuchal ruff & larynx increase in size during breeding season. No change of colour during breeding season in Deer
--- p 4 sexual colouring of Antelopes
Sheet IV. case of allied genera, in one of which birds undergo great seasonal change in both sexes & not in other.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 7 December, 2022