Summary

On a "remarkable" letter from Fritz Müller [see 7820] about mimicry, protection, and sexual selection.

Summary

Opinions on Descent.

Sexual selection and mimicry in Lepidoptera; sexual selection as an aid to protective imitation.

Summary

Comments on TP’s work on mimicry.

Thanks for book he is sending [Wissenschaftliches System der Mimik und Physiognomik (1867)].

Summary

Thanks for the photographs, which are "very good".

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Sends enclosure for ARW to read.

Summary

Has read Thomson’s address with "greatest interest", but JDH has said exactly what he [CD] thinks of it.

Herschel’s was a good sneer. It made him add the Raphael Madonna simile in Descent [2: 142].

Summary

Asks WWB to send 8 grains of acetate of strychnine by post.

Summary

Mentions experiments on Lythrum.

Thanks for list of seeds.

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CD’s comments on proofs of JL’s book [Monograph of the Collembola and Thysanura (1873)].

Summary

Asks JM whether he will publish 750 copies of a pamphlet [Chauncey Wright’s review of Mivart’s Genesis of species, North Am. Rev. 113 (1871): 63–103] at CD’s expense.

Has been ill so cannot say when he will finish new edition of Origin.

Asks about sales and printing of Descent.

Summary

Sends details of trains for a clerk to travel to Down from London and back.

Summary

Thanks AA for a ‘splendid case of gradation of structure’.

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Sends an article for insertion in Gardeners’ Chronicle.

Suggests sending a proof ‘as my hand-writing is so bad’.

Summary

In response to a query [from "F. W. B."], CD describes his experience with seeding Leschenaultia, which demonstrates that insect agency is required.