A case of fighting in crabs (Portunus puber against Carcinus maenas) [see Descent 1: 332].
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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.
A case of fighting in crabs (Portunus puber against Carcinus maenas) [see Descent 1: 332].
On hybridism between the fox and dog; asks whether CD knows of a reliable case of offspring from this cross.
Does CD want details on a white cat with blue eyes, but not deaf?
Mating practice of Carcinus maenas [see Descent 1: 331].
Difference in size in sexes of Crustacea.
Reports a case of a smooth-leaved holly tree with one branch of prickly leaves; is willing to supply more details.
Provides further detail on his smooth-leaved holly tree with a spiny-leaved branch; his gardener asserts no budding or grafting has taken place.