Recommends he read passages on bees by C. T. E. von Siebold [in On the true parthenogenesis in moths and bees (1857)].
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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.
Recommends he read passages on bees by C. T. E. von Siebold [in On the true parthenogenesis in moths and bees (1857)].
Have all varieties been bred from the same set of eggs so that there can be no doubt they are all the same species?
Discusses a proposed expedition to Australia. Urges collecting and investigating productions of isolated islands. Recommends dredging the sea-bottom.
Mentions keeping Helix pomatia alive in sea-water.
Comments on TCE’s work [Catalogue of the species of birds in his collection (1856)].
Mentions African dog’s skin.
Asks about colours of horses
and about variation in tracheae of male birds.
Ill.
Comments on TCE’s study of birds’ bones.
His work on variation progresses.
Asks about horses with bars like zebra or ass.
Sends TCE West African dog’s skin.