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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
On polygamous birds and the pairing of birds. Late singing of males. [see Descent 2: 107.]
A reply to CD’s inquiry in Gardeners’ Chronicle [Collected papers 2: 135]. The proportion of females to males in lambs of highland black-faced sheep.
Sends paper on conditions that favour predominance of plants.
Encloses table showing proportion of sexes in Rutland.
Trusts his paper ["Apterous Lepidoptera" (1867), printed for the West Kent Natural History, Microscopical, and Photographic Society] showed that he is thoroughly a disciple of CD.
Cites evidence that birds undoubtedly distinguish colours. [see Descent 2: 110.]
Thanks for corrections of errors [in Variation].
On the play of colours in the peacock’s tail.
On the proportion of sexes in salmon, trout, and rats. [see Descent 1: 305, 308.]
