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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.
On a humming-bird Sphinx moth which tried to extract nectar from flowers on wallpaper. [See Descent, 2d ed., p. 317.]
The evidence of tameness of Alpine butterflies [see 8672] seems good and the fact is surprising to CD for they can hardly have acquired this in their short life-time.
The question whether butterflies are attracted to bright colours independently of the supposed presence of nectar is still unanswered.
CD has great difficulty in believing that any temporary condition of parents can affect the offspring.
Pangenesis is much reviled, but CD must still look at generation from this point of view, which makes him averse to believing that an emotion has any effect on the offspring.
JP’s note [8739] suggests reversion, but that is an easy trap. Will look to the ears of "our brethren at the Zool. Gardens".