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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.
Proportion of sexes in chaffinches.
Pugnacity of blackbirds and robins.
Harrison Weir reports up to nine eggs in starling nests.
Newspaper report of a sheep born with its owner’s brand.
Various topics related to sexual selection: sexual differences, sexual preferences, coloration.
Observations on root-climbers. Variegated and arborescent varieties of Hedera.
[CD’s notes are for his reply, 6165.]