Adds a point to his previous letter regarding the buoyancy of birds and their soaring capacity.
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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.
Adds a point to his previous letter regarding the buoyancy of birds and their soaring capacity.
Sends specimens of Boronia.
Discusses the section on diclinous trees and herbs in CD’s new book [Cross and self-fertilisation, pp. 411–13]. CD’s theory that diclinism preceded hermaphroditism seems confirmed.