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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.
Has read correspondent’s notice on bent cleavage. Refers him to observations on the same fact in South America, p. 160. CD has also suggested a conjectural explanation.
Acropera species may be males of other orchids.
Homologies of ducts in orchids.
Went to British Museum to see Bates’s mimetic butterflies.
