Cost of impression of the heliotype plates [for Expression] is so high that he asks CD to consider having a set photographed onto wood and then engraved. Index [for Expression] is in hand.
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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.
Cost of impression of the heliotype plates [for Expression] is so high that he asks CD to consider having a set photographed onto wood and then engraved. Index [for Expression] is in hand.
Doubts reported cases of homing instinct in dogs.
Informs CD that he has forwarded some oils and opium.