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.
Glad AW’s eyesight is better.
Has received AW’s essay [Einfluss der Isolierung (1872)].
Glad he is turning attention to sexual selection. Hardly any naturalists agree with CD on subject.
Disagrees with the "Darwinian theory"; does not see evidence enough to support it. Will send CD any notes he makes for or against.