Reports information sent by E. Schulte [12254] on the colours of the male Diadema bolina.
Discusses extent to which consciousness came into play in the origin of certain instincts, including sexual display.
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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.
Reports information sent by E. Schulte [12254] on the colours of the male Diadema bolina.
Discusses extent to which consciousness came into play in the origin of certain instincts, including sexual display.
CD has repeated a test of whether hybrids of the common and Chinese goose are fertile inter se. Reports his success, and comments on its significance for the theory of descent.