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From:
Charles Robert Darwin
To:
Hugh Falconer
Date:
[25–6 Aug 1863]
Source of text:
DAR 144: 32
Summary:

Thanks for information about Pliocene mammal. Interested in relating process of formation to duration of the species. Oswald Heer’s view that species suddenly formed surely false.

Bad summer with much sickness. Going to Malvern [for water-cure] for a month.

Muddled over phyllotaxy and made out nothing.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
25 [Aug 1863]
Source of text:
DAR 115: 204
Summary:

CD’s illness: he is vomiting "vegetable" cells.

Dutrochet has published the best of CD’s observations on tendrils [see Climbing plants, p. 1 n.].

Lyell has found Joshua Trimmer’s Arctic shells on Moel Tryfan.

Contributor:
Darwin Correspondence Project
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From:
Mary Somerville
To:
John Herschel
Date:
25 Aug 1863
Source of text:
HS 16.371, RS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse
From:
Mary Somerville
To:
Sir John Herschel
Date:
[25 August 1863]
Source of text:
RS:HS 16.371
Summary:

Thanks JH for criticism of manuscript. Sends revised introductory paragraph. Thanks him for kindness to Signore Capellini. Scientific interest in Italy grows as politics settle.

Contributor:
John Herschel Project