Observations on Drosera: plants can distinguish minute quantities of nitrogenous substances.
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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.
Observations on Drosera: plants can distinguish minute quantities of nitrogenous substances.
Owen wants to be civil, and sneer behind CD’s back.
Those, like Rudolph Wagner, who want to go halfway on theory, are "booked to go further".
Anatomy of orchids.
Huxley says K. E. von Baer goes "a great way with me".