Asks GHD to calculate average or mean heights of crossed and self-fertilised plant species.
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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.
Asks GHD to calculate average or mean heights of crossed and self-fertilised plant species.
Sends Mind. Henry Sidgwick’s article ["The theory of evolution in its application to practice", Mind 1 (1876): 52–67] is so clear it makes CD feel "a muddle-headed man". But he disagrees with Sidgwick on the origin of morality within tribes.
Is sure mathematical discussion of elevation of continents will be valued by geologists.
Comments on the reaction of geologists to GHD’s work on elevation of continents.
Further comments on GHD’s work on the influence of geological changes on the earth’s axis.
Frank [Francis Darwin] has made a fine zoological discovery.
Is determined not to believe in GHD’s astronomical work until J. C. Adams accepts it, for he would be so disappointed if it breaks down.
All rejoice that J. C. Adams thinks well of GHD’s work and will present his paper to the Royal Society.
Gives news of his other sons.
Has received a baffling article on God, immortality, and socialism under a Darwinian point of view.
Clerk Maxwell has disagreed with CD on molecular calculations in relation to Pangenesis in Encyclopaedia Britannica article ["Atom", Encyclopaedia Britannica, 9th ed. (1875) 3: 36–49].
Refers him to Nature [14 (1876): 553] in which a Russian doctor [Prof. Poplavsky] contradicts GHD on deaf mutes not being closely interrelated.