RECORD: Darwin, C. R. [ny].11.15. Urosticte. CUL-DAR84.2.108-109. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and John van Wyhe, edited by John van Wyhe 2.2022. RN2

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).


[108]

Nov 15 Urosticte [sketch] 4 middle last — feather x a microscopical tip of white.

Some H. B. have only white tips to 2 outer some to 4 outer, but none have 2 middle ones tipped with white - One genus has white tail-feathers tipped with black. I fear I must leave case as one of strange & anomalous variation.

[109]

Urosticte Benjamin

[sketch] ♀ is typical for group in Tail white white tips

[sketch] ♂ white tips, larger in male

♂ has splendid gorget, while female white

/over

[109v]

Aïthurus polytmus — Male splendid black & green, with very long narrow tail feather — young male resembles adult male in general colouring & soon shows some trace of tail elongated tail, which is not disc-formed — Female dull & inconspicspicuous inconspicuous with much white beneath —

In male it is penultimate outer feather the outer feathers but one which is so much elongated.—

Over

See Descent 2: 220.


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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 11 January, 2026