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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.
Thanks for specimens [of insects].
Wonders whether difference between male and female plays part in fertilisation of fig.
Flowers of Oxalis sensitiva, sent long ago, are trimorphic and cleistogamic.
Thanks for Forms of flowers.
Insects that infest and are parasitic upon the fig fruit.