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DCP-LETT-2129

From:
Asa Gray
To:
Charles Robert Darwin
Date:
[Aug 1857]
Source of text:
DAR 165: 100, 101
Summary:

States he has "misgivings about the definiteness of species". Believes there is some inherent tendency for plants to originate varieties. Cross-fertilisation is likely in most cases but sees difficulties with plants like Adlumia.

Contributor:
Darwin Correspondence Project
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DCP-LETT-2130

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
1 Aug [1857]
Source of text:
DAR 114: 206, 207
Summary:

Important issue at stake with new flora calculations: evidence that species are only strongly marked varieties. Planning large-scale survey.

Contributor:
Darwin Correspondence Project
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DCP-LETT-2131A

From:
Henrietta Emma Darwin; Henrietta Emma Litchfield
To:
Charles Robert Darwin
Date:
[2 Aug 1857]
Source of text:
DAR 245: 1
Summary:

Is looking forward to returning home [from Moor Park hydropathic establishment]. News of other patients and the books she is reading. Although feeling well, cannot walk much.

Contributor:
Darwin Correspondence Project

DCP-LETT-2131

From:
Charles Robert Darwin
To:
Laurence Edmondston
Date:
2 Aug [1857]
Source of text:
L. D. Edmondston (private collection)
Summary:

Thanks for rabbit.

Are there dun-coloured ponies in Shetlands? Are they striped?

Contributor:
Darwin Correspondence Project

Tyndall1418

From:
Juliet Pollock
To:
John Tyndall
Date:
August 5th . | 1857
Source of text:
MS JT/1/P/165, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel7067

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[7 August 1857]
Source of text:
RS:HS 6.298
Summary:

Hopes his health is improving. Where can he find the article expressing adjectives in algebraic symbols? Went to the R.A.S. in July and found much as usual. Mrs. De M. now at Hythe with the children. Elizabeth Baily appears to be in excellent health.

Contributor:
John Herschel Project

Herschel2940

From:
Henri Victor Regnault
To:
Sir John Herschel
Date:
[10 August 1857]
Source of text:
RS:HS 14.314
Summary:

Regrets deeply having missed seeing JH. Sends greetings to JH's family. Enjoyed trip around British Isles. Will now continue scientific work.

Contributor:
John Herschel Project

DCP-LETT-2132

From:
Charles Robert Darwin
To:
John Stevens Henslow
Date:
10 Aug [1857]
Source of text:
DAR 93: A122
Summary:

Delighted that JSH is coming to Down. Sends correct train time.

Contributor:
Darwin Correspondence Project
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Herschel2941

From:
Henri Victor Regnault
To:
Margaret Brodie Herschel
Date:
[1857-8-11 or later]
Source of text:
RS:HS 14.315
Summary:

Apologizes profusely for not having written earlier. Thanks for a wonderful stay in England. Has been pressured into new and undesired positions. Sends porcelain tea service from Sèvres.

Contributor:
John Herschel Project

DCP-LETT-2481

From:
Charles Robert Darwin
To:
John Lubbock, 4th baronet and 1st Baron Avebury
Date:
11 Aug [1857]
Source of text:
DAR 263: 21 (EH 88206470)
Summary:

Asks JL not to call as he has a "very old friend" [J. S. Henslow] coming to visit him.

Yesterday visited poultry show at Crystal Palace.

Contributor:
Darwin Correspondence Project

RS-MM-001418

From:
Edward Sabine
To:
William Sharpey
Date:
11 August 1857
Source of text:
MM/19/15, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

DCP-LETT-2396

From:
Charles Robert Darwin
To:
John Lubbock, 4th baronet and 1st Baron Avebury
Date:
12 [Aug 1857]
Source of text:
DAR 263: 19 (EH 88206468)
Summary:

Invites JL to dine and meet J. S. Henslow.

Contributor:
Darwin Correspondence Project

Tyndall1421

From:
George Biddell Airy
To:
John Tyndall
Date:
1857 August 15
Source of text:
MS.RGO 6/378.515; MS.RGO6/471.173; MS JT/1/TYP/1/22, RGO; RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall1420

From:
John Tyndall
To:
Juliet Pollock
Date:
15th Aug. 1857
Source of text:
63902-874E-10-51, BL
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall1419

From:
John Tyndall
To:
Michael Faraday
Date:
15 Jul 1857
Source of text:
MS JT/1/TYP/12/4070-3; 5:3327, RI; Faraday Correspondence
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel1989

From:
Sir William Pole
To:
Sir John Herschel
Date:
[15 August 1857]
Source of text:
RS:HS 14.22
Summary:

Plans to visit JH next week [to discuss color blindness].

Contributor:
John Herschel Project

Herschel1990

From:
Sir William Pole
To:
Sir John Herschel
Date:
[17 August 1857]
Source of text:
RS:HS 14.23
Summary:

Will bring [M. E.] Chevreul's color diagrams and new spectrum representation when he visits JH; confirms mode and date of arrival.

Contributor:
John Herschel Project

Herschel885

From:
Sir John Herschel
To:
John Herschel (son)
Date:
[18 August 1857]
Source of text:
JHS 5.6
Summary:

The letter contains financial arrangements with son John while still in England, extensive comments on the fighting and restructuring of the colonial system in India, some matters relating to earth strata, and finally an extended discussion of the 'Cavendish experiment' [for measuring the gravitational attraction between lead balls].

Contributor:
John Herschel Project

Herschel6172

From:
William Henry Barton
To:
Sir John Herschel
Date:
[20 August 1857]
Source of text:
RS:HS 3.297
Summary:

Thanks for the gift of the book. Regarding some financial affairs of JH.

Contributor:
John Herschel Project

DCP-LETT-2134

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
22 Aug [1857]
Source of text:
DAR 114: 208
Summary:

Tabulation of varieties goes on; very important as it shows the branching of forms. Mentions his principle of divergence.

Contributor:
Darwin Correspondence Project
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