Studying geotropism.
Experiments using exposure to frost to study nyctitropism are difficult to perform because species vary in frost tolerance.
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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.
Studying geotropism.
Experiments using exposure to frost to study nyctitropism are difficult to perform because species vary in frost tolerance.
Wishes to contribute to the memorial for Claude Bernard, but first wants to be assured that, in his experiments, Bernard was not reckless with respect to the suffering of animals.
Thanks THF and James Caird for their assistance. Will send back the £100 to Torbitt.
Sends £100 to JT. T. H. Farrer and James Caird think they can get another £100 next year [for potato experiments].
Glad to hear of Ernst Haeckel’s reception in Vienna.
R. Virchow’s address ["Liberty of science", Nature 17 (1877–8): 72–4, 92–4, 111–13] very arrogant.
Sorry to hear of death of Arthur Lane.
On his discovery of ova of Flustra.
"Pray do not call me Dr Darwin."
Review of Forms of flowers [Nature 17 (1878): 445–7].
It is important that notion of "small antiquity" of the earth be upset.
Sympathises with GJR on dreadful loss [of his sister, Georgina].
Can GJR visit Down?
Onions not yet up.
Asks whether WHF has had time to look at goose’s wing.
Monstrosity of fuchsia sent by GD not uncommon.
Does not recall bats at Galapagos.
Will ask Blair for more [goose] wing specimens.
Encloses report by W. H. Flower on goose’s wing.
Asks RAB to obtain wings from young birds and broken wing from old one. Asks about details of injury.
Would like to have some insect photographs identified; they seem to show pretty and new case of protective resemblance.
Doesn’t know anything about the insects in question, but has sent the photographs on to an expert in London.
Germination of Cactaceae; CD wants seeds. Site of action of growth-stimuli.
Thanks for information [about early evolutionary views of Alexander Braun].
Will be happy to subscribe to support Jemmy FitzRoy Button. Supposes BJS has considered whether it would be a real kindness to educate the boy.
Sends specimens of Russian wheat variety kubanka, which after sowing for two years degenerates into a different variety, saxonka. Suggests that ASW conduct experiments.
Congratulates correspondent on appointment to important post.
Leaving tomorrow for visit [with William Darwin].