RECORD: Darwin, C. R. n.d. Abstract of Gould, Humming birds and Bourcieria torquata. CUL-DAR84.2.159. 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).

[159]

Vol. 4.  Gould H. Bird (Humming Birds)

Chrysobronchus viridicaulis

♀s & young males have all tail-feathers tipped with white

Bourcieria torquata ♂ & ♀ has 8 outer tail-feathers white tipped with black; the central ones all black —

(Wonderfully persistent the 2 or 4 central feathers not tipped.)

(Endless diversities in the distribution of white & dark colour in tail-feathers

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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 25 September, 2022