Thanks for information on sexual colours in pigeons.
Will send latest edition of Origin.
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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.
Thanks for information on sexual colours in pigeons.
Will send latest edition of Origin.
Has found the skull of the horned cock.
With regard to CD’s suggestion about the possibility of producing a pigeon breed with differently coloured sexes, WBT reports the results of crossing blue and silver dragons; the silver offspring are almost always hens.
Would like the latest edition of the Origin.
Encloses notes on volume one [of Descent].
Encloses a photograph showing the bleaching effect of the sun’s rays on dun feathers in pigeons.