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CD made an associate member of the Royal Belgian Botanical Society.

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Introduces Capt. George Montague Wheeler of the US Engineers, who has charge of the government expedition west of the 100th meridian.

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Sends a copy of his dissertation on the germination of the Cucurbitaceae.

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Mr Coleman has retired. FE can see CD and can arrange for administering the gas.

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Discusses possible investments.

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Thanks for letter expressing CD’s position with regard to experiments on living animals and for getting the letter printed in the Times [18 Apr 1881, Collected papers 2: 226–7].

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News from the laboratory at Strasbourg; is working on Equisetum roots. Wortmann has found circumnutation in the mycelium of a fast-growing fungus. Please send papers (see 13155).

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Sends his review of Movement in plants from Die Gartenlaube.

Comments on the future prospects of Kosmos.

Comments on review of Samuel Butler’s Unconscious memory by Romanes in Nature [23 (1880–1): 285–7] and Romanes’ reply to Butler [pp. 335–6].

Asks whether he might have a chapter of Earthworms to print in Kosmos.

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Thanks CD for R. W. Darwin’s memoranda respecting Franklin. Would be grateful for copies of any Franklin letters that exist among Dr Darwin’s papers.

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Discusses the structure and formation of the Florida peninsula. Part played by marine animals in building banks on which coral can thrive.

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Is sorry to have involved himself in a priority dispute between Wortmann and Elfving. Intends to publish on circumnutation; will CD send him his notes? Apologises for taking CD’s protractor, will send it back. Has met Oscar Schmidt.

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Receipt, in CD’s hand, signed by JT, acknowledging subscriptions.

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Discusses Ernst Krause’s publication of an extract from Earthworms translated into German in the journal Kosmos.

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Would like some of his notes. Has been looking at roots of Linum, cucurbits, larch, and orchids. Is content that mother should teach Bernard whatever religion she likes.

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Discusses possible investments.

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Wishes to correct impression of his attitude towards CD’s contribution: CD has successfully explained how differences arise.

Pleased CD will read his book [Tertiary species of Planorbis at Steinheim (1880)].

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Mentions article by P. E. Müller on worms: "Structur over skovjord [forest soil]" [Tidsk. Skovbrug 3 (1878)].

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Suggests CD delay arrangements for his Linnean Society portrait. GJR thinks John Collier would be willing to paint it.

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Thanks CD for photograph. They are battling for same cause.