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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 is much interested in FB’s remarks in Land and Water on the apparent excess of male trout over females and asks for further information on other fish, birds, and domestic quadrupeds.
Is interested in the relative numbers of males and females of all animals; wants any instances of males, or females, being in excess.
Discusses [Fritz?] Müller’s confusion about ova and pseudova; JL’s Daphnia paper [Philos. Trans. R. Soc. Lond. 147 (1857): 79–100; see 1979] first demonstrated their structural identity.
Points out a misleading statement in Variation.
CD’s letter encourages Murray to proceed with a new edition of Variation; corrections will cost £176.
First notice has appeared in Pall Mall Gazette [7 (1868): 555].
On blind beetles [see Descent 1: 367].
Development of mandibles in Brentus.
Variability of sizes and colours in spiders; on proportion of sexes; courtship of spiders.
