Notes on worm action, and CD’s questions concerning source of nutriment for worms in ACR’s courtyard [see Earthworms, pp. 192–3].
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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.
Notes on worm action, and CD’s questions concerning source of nutriment for worms in ACR’s courtyard [see Earthworms, pp. 192–3].
Further details of pavement that sank from action of earthworms. There were plenty of castings, which first led him to think worms were involved.