F. C. Donders coming to congress. Wants to arrange visit.
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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.
F. C. Donders coming to congress. Wants to arrange visit.
Responds to CD’s comments on his MS on phyllotaxy.
The initial variation required by his theory would be a slight twist of the bud-axis; believes the frequent twisting of stems and branches renders such a variation possible.
Admits he placed too much emphasis on the importance of frost. He should have spoken more generally of "vicissitudes of climate".