Asks about the period of gestation in dogs.
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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 about the period of gestation in dogs.
Has WDF ever observed musk ducks laying eggs in high places? The case bears on retention of aboriginal habits.
Also wants data on period of gestation of dog breeds. [See Variation 1: 30.]
Blyth’s effort to raise money for a Chinese expedition.
Comments on free-will in animals.
Says natural selection is not in the same category with Huxley’s "force" and "matter".
Discusses remarkable variation in period of gestation in dogs and ducks.
Discusses Arctic flora.
Has been working on orchids; they beat woodpeckers in adaptation.
Has had a very satisfactory answer from Mr Parfitt. Asks HTS to insert query in Entomologist’s Weekly Intelligencer and also to answer it himself. ["Do the Tineina and other small moths suck flowers?", Collected papers 2: 35–6.]
Places affair [land purchase] entirely in JH’s hands. Son [William?] will visit in a week or two.
Acknowledges receipt of £244 5s. 11d. for half-year rents less deductions.
Asks for information about pollen of bee orchid. Asks for specimens.
Encloses arrow-heads.
Comments on gestation in dogs.
Mentions BAAS meeting at Oxford.
Etty’s illness.
Criticises views of J. W. Dawson on organic and geological change.
The problems of distinguishing varieties and species.
Discusses facts explained by his theory.
Would like to borrow the bees that, as reported in Gardeners’ Chronicle, were sent to JOW with pollen-masses of orchids sticking to them. CD has never seen a bee visit an orchid. He believes he could identify the genus and perhaps species of the orchids the pollen comes from.
His health is too bad to attend the meeting [of British Association for the Advancement of Science].
Going for hydropathy. Too ill for Oxford BAAS meeting.
Pollination by minute insects.
CD proves his view regarding Goodenia stigmatic surfaces by dissection and following pollen-tubes up to grains.
Is it physically possible for moths to eat the pollen of Mercurialis? Believes moths may visit the smaller clovers to suck the nectar.
Asks about removal of pollen-masses in bee orchid.
Will return home on 5th and go to Charles Langton’s on the 9th.
CD writes of his admiration for pollination contrivances in Gymnadenia. Ask George Bentham whether this plant should be removed from genus Orchis.