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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.
Encloses Pinguicula specimens.
Believes she has found a new species of water-lily.
Sends her article on Utricularia ["Is the valve of Utricularia sensitive?", Harper’s New Mon. Mag. 52 (1875): 382–7].
Proposes to write on Sarracenia ["Carnivorous plants of Florida", Harper’s New Mon. Mag. 53 (1876): 546–8, 710–14].
Describes fly-catching activity of Drosera longifolia.
Experiments on Papilio asterias; sex of adult determined by length of larval feeding time.
Drosera filiformis captures only small insects [but see 8989].
Writes of her experiments with butterflies.
CD’s theory steadily gains ground in the U. S., despite Agassiz.
Reports in detail on her experiments with Drosera. Finds she was mistaken in thinking D. filiformis captured only small insects.
Sends her observations on Dionaea capturing insects. [See Insectivorous plants, pp. 311–12.]
Observation on the limitations on the power of digestion in Dionaea.
Observations on the insects captured by Utricularia.
Structure of Utricularia; its resemblance to an animal vascular system.