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From:
Erasmus Alvey Darwin
To:
Charles Robert Darwin
Date:
[24 Sept – 10 Oct 1868]
Source of text:
DAR 105: B60–1
Summary:

Has talked with J. J. Sylvester [Professor of Mathematics at the Royal Military Academy, Woolwich] and thinks Leonard [Darwin] should call on him.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Thomas Henry Farrer, 1st baronet and 1st Baron Farrer
Date:
24 Sept [1868]
Source of text:
Linnean Society of London (LS Ms 299/6)
Summary:

Informs THF that Annals and Magazine of Natural History will publish his paper [see 6384].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Louis Charles Joseph Gaston (Gaston) de Saporta, comte de Saporta
Date:
24 Sept 1868
Source of text:
DAR 147: 419
Summary:

Discusses GdeS’s studies on fossil plants;

response to Origin in France.

Contributor:
Darwin Correspondence Project
From:
Thomas Henry Farrer, 1st baronet and 1st Baron Farrer
To:
Charles Robert Darwin
Date:
24 Sept 1868
Source of text:
DAR 164: 46
Summary:

Wonderful how every flower one looks at is explained by, and throws light on, the fertilising process.

Contributor:
Darwin Correspondence Project
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From:
Frances Harriet Henslow; Frances Harriet Hooker
To:
Emma Wedgwood; Emma Darwin
Date:
24 Sept [1868]
Source of text:
DAR 104: 229–30
Summary:

Thinks J. D. Hooker and Asa Gray will not be able to visit Down until after the 12th.

Contributor:
Darwin Correspondence Project
From:
William Thomson
To:
Sir John Herschel
Date:
[24 September 1868]
Source of text:
RS:HS 17.351b
Summary:

Replies in detail to JH's objection to explaining the retardation of the earth's rotation as due to tidal friction, JH having urged that this effect should be analyzed in terms of momentum rather than of vis viva [kinetic energy], as WT maintained.

Contributor:
John Herschel Project
From:
Sir Joseph Dalton Hooker
To:
Sir Henry Barkly
Date:
24 September 1868
Source of text:
JDH/2/3/1 f.172-174, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project