Quotes from a Fritz Müller letter of 9 Aug supporting CD’s views that leaves position themselves at night so as to minimise heat loss by radiation. It is a new fact to CD that leaves take different positions at different seasons.
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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.
Quotes from a Fritz Müller letter of 9 Aug supporting CD’s views that leaves position themselves at night so as to minimise heat loss by radiation. It is a new fact to CD that leaves take different positions at different seasons.
CD interested in JBI’s observations of behaviour of bees. Finds his criticism about hexagonal cells made by queen wasps a good one. Cannot remember how he got out of the difficulty.
His book on worms to be published soon.
E. A. Darwin has died after short illness.