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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 found plenty of male Alcippe on specimens. Would eventually like more specimens. Did not recognise males at first. Has found Alcippe difficult to make out.
Describes anatomy and growth stages of Alcippe in close detail.
Asks at what depth Alcippe is found and on what date the shell with Alcippe specimens that AH sent was taken.