Summary

Has examined sections of teasel in putrid meat infusion and ammonia.

Summary

Has got a dodge to see protoplasm in Drosera in dead state. Comes to Hopedene with Amy tomorrow. his paper went off well.

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Comments on CD’s criticism of Geographical distribution.

Plans to sell his house.

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Comments on FD’s discovery – "if it so proves". It will be important to see whether the protoplasm oozes through the cell-walls [of Dipsacus] or whether it can be withdrawn.

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Looks to FD’s "grand discovery" as almost certain. Suggests observations.

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CD thanks the editor of a picture book "for … the photographs of your striking pictures, & for the honour which you have done me by the introduction of my name and likeness into one of them".

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Thanks for his interesting essay on insectivorous plants.

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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.

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‘Your mother ought indeed to feel proud that she had two sons such true naturalists as you and your brother [John Jenner Weir].’

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Requests chemical analysis of sample of both natural and burnt soil.

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Doubts Christian Radenhausen’s cosmological views are based on fact.

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Sends analysis of burnt and unburnt samples.

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Thanks for kindness in organising special train for Caroline Sarah Wedgwood when she was taken ill.

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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.

Summary

Greatly excited by the astronomical implications of his work.

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Obliged for the new edition of The Andes.

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Forwards for publication an article by Dr Richardson [apparently not published] showing the necessity of experiments on living animals. Hopes it will make women, "who from the tenderness of their hearts and from their profound ignorance are the most vehement opponents of all such experiments", pause.

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Comments on an address by William Thomson (‘On the rigidity of the earth’?), which is about the same problem that GHD is working on. Is confident Thomson has overlooked some points.

Summary

Regrets he cannot hear lecture by F. C. Donders.

Hopes to see WB before he returns home.

Summary

Thanks MT for her article ["Is the valve of Utricularia sensitive?", Harper’s New Mon. Mag. 52 (1875): 382–7]. Does not understand why he failed to detect movement [in Utricularia], but it appears from her observations that the valve is sensitive.