Defers visit [to Kew] because of ill health.
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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.
Defers visit [to Kew] because of ill health.
Thanks for criticism of his paper [on Variation].
If external conditions induce variability, what is the internal cause?
Does not agree with Duke of Argyll that "Origin of Species" is an incorrect term.
Sees playfulness of animals as a mark of the Deity’s creative playfulness.
Will visit soon.
On the proportion of sexes in moths; Lepidoptera females command higher prices; quotes Staudinger’s catalogue [see Descent 1: 311–12].
Ticking of Anobium tessellatum [see Descent 1: 385].
On various subjects related to sexual selection: preferences, proportion of sexes. [See Descent 2: 117–18, 122.]
Recognition of colour by animals.