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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.
CD’s Variation is in printer’s hands.
Orchid self-sterility.
Observations on orchid self-sterility.
Wants information on characters that may have originated through sexual selection in lower animals.
Encloses queries on expression.
ARW’s explanation of protective value of conspicuous coloration is ingenious.
CD still holds to sexual selection with respect to beauty in male butterflies.
Sexual selection and the races of man.
Expression of emotions is another subject he plans to include in his essay [Descent].
Asks ARW to suggest an observer in Malay Archipelago to whom he might send queries [on expression].