Amount of clay present in certain chalk samples.
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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.
Amount of clay present in certain chalk samples.
Worm action at Stonehenge.
Sends comments on his diagram of Stonehenge. Will go to Beaulieu.
Sends dirt residue of chalk samples for David Forbes to examine.
Received copy of Origin 6th ed. Has had trouble with worm measurements at Winchester.
Is delighted to receive expression. Some comments on swallowing and scratching. Asks to be sent reviews.