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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.
His brother, George, reports from Calcutta a case of a man whose hands are divided like a cow’s foot.
Suggests movements of sensitive plants may protect against insects.
JIR’s "theory" of sensitive plants published in an anonymous letter he sent to the Field 2½ years ago. Mechanisms for protection against insects in sensitive plants.
Suggests sensitive plants that close at night would be protected from nocturnal-feeding snails. JIR’s brother in India says snails occur there in abundance.
JIR’s brother writes from India in support of the protective function of plant sensitivity.