Thanks AG for Popular Science Review containing his article [on Ceratodus, 11 (1872): 257–66]. CD had already read it with great interest.
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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.
Thanks AG for Popular Science Review containing his article [on Ceratodus, 11 (1872): 257–66]. CD had already read it with great interest.
FPC’s article on consciousness of dogs is best analysis of an animal’s mind CD has read.
Regrets she quotes [Edward?] Jesse.
Since writing Descent, CD has come to believe dogs have a conscience.
Thanks WM for his letter. CD does not think WM’s principle of [up-tending and down-tending] lines explains the cases of expression of emotions referred to, and, even if it did, the problem would remain as to why the lines should express what WM believes they do.