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From:
Sir John Herschel
To:
Leonard Horner
Date:
[2 June 1827]
Source of text:
RS:HS 9.492 & 20.254
Summary:

Outlining his scheme for election of candidates to a post [appears to be an astronomer for an observatory].

Contributor:
John Herschel Project
From:
Julius Plucker
To:
Leonard Horner
Date:
11 Jan 1832
Source of text:
MSP 4 / 274, Dep. c. 371, Bod, MS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse
From:
Leonard Horner
To:
Mary Somerville
Date:
19 Sep 1834
Source of text:
MSH 6 / 347, Dep. c. 370, Bod, MS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse
Text Online
From:
Leonard Horner
To:
J. S. Henslow
Date:
12 October 1834
Source of text:
Cambridge University Library MS Add. 8177: 167a
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Leonard Horner
To:
Charles Robert Darwin
Date:
7 Apr [1838]
Source of text:
DAR 210.8: 1
Summary:

Postpones meeting with CD because he must attend House of Commons for Factory Amendment Act.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Leonard Horner
Date:
25 June 1843
Source of text:
American Philosophical Society (Mss.B.D25.31)
Summary:

Sends notes on volcanic islands for LH to read and return.

[Letter could be an inaccurate contemporary copy to which the copyist interpolated details, or a forgery. The address "Down House Orpington Kent" occurs nowhere else.]

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Leonard Horner
Date:
29 Aug [1844]
Source of text:
American Philosophical Society (Mss.B.D25.38)
Summary:

Thanks Horner for his letter [about Volcanic islands].

Discusses craters of elevation with respect to the views of Leopold von Buch and Élie de Beaumont. Compares Lyell’s views to those of continental geologists. Mentions reading A. D. d’Orbigny [Voyage dans l’Amérique méridionale (1835–47)].

Encloses note from Emma to Mrs Horner, inviting the Horners to visit Down.

Contributor:
Darwin Correspondence Project
Text Online
From:
Leonard Horner
To:
Michael Faraday
Date:
2 December 1844
Source of text:
RI MS Conybeare Album, f.31
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Michael Faraday
To:
Leonard Horner
Date:
3 December 1844
Source of text:
RI MS
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Leonard Horner
To:
J. S. Henslow
Date:
15 July 1845
Source of text:
The Royal Society MM/21/62
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Leonard Horner
To:
John Stevens Henslow
Date:
15 July 1845
Source of text:
MM/21/62, Royal Society
Summary:

No summary available.

Contributor:
Royal Society
From:
Charles Robert Darwin
To:
Leonard Horner
Date:
[17 Aug – 7 Sept 1846]
Source of text:
American Philosophical Society (Mss.B.D25.53); DAR 145: 136–7 (enclosure)
Summary:

Discusses proposed survey of Glen Roy. Mentions Glen Roy theories of Agassiz and William Buckland. Includes a memorandum calling for a careful survey of the parallel roads of Glen Roy. Mentions M. A. Bravais ["On the lines of ancient level of the sea in Finmark", Q. J. Geol. Soc. Lond. 1 (1845): 534].

Contributor:
Darwin Correspondence Project
From:
Leonard Horner
To:
Sir John Herschel
Date:
[2 November 1846]
Source of text:
RS:HS 9.493
Summary:

When on board the Excellent at Portsmouth he was deafened by the firing of a gun and has since suffered from 'singing' in his ear. Can JH recommend a relief? His daughter would like an engraving of JH.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Leonard Horner
Date:
[23 Dec 1846 – Jan 1847]
Source of text:
DAR 145: 138
Summary:

Responds to LH’s comments on South America.

Thinks it unsound to designate a geological epoch after man. Doubts people’s confidence in date of man’s introduction.

Criticises A. D. d’Orbigny’s theory of elevation of the Cordillera.

Lists sections of South America of special interest.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Leonard Horner
Date:
[Jan 1847]
Source of text:
DAR 145: 139
Summary:

Responds to LH’s comments on South America.

Discusses inclination of lava stream.

Sketches in second edition of Journal of researches more accurate than in first.

Contributor:
Darwin Correspondence Project
From:
Leonard Horner
To:
Sir John Herschel
Date:
[2 December 1849]
Source of text:
RS:HS 9.494
Summary:

Queries regarding the statement by William Herschel on the time taken for the light from the stars to reach the earth. Have there been any new developments in this theory?

Contributor:
John Herschel Project
Text Online
From:
Leonard Horner
To:
J. S. Henslow
Date:
16 August 1850
Source of text:
Cambridge University Library MS Add. 8177: 168
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
Text Online
From:
Leonard Horner
To:
J. S. Henslow
Date:
29 August 1850
Source of text:
Cambridge University Library MS Add. 8177 169
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
Text Online
From:
Leonard Horner
To:
J. S. Henslow
Date:
20 November 1850
Source of text:
Cambridge University Library MS Add. 8177: 170
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
Text Online
From:
Leonard Horner
To:
J. S. Henslow
Date:
10 May 1851
Source of text:
Cambridge University Library MS Add. 8177: 171
Summary:

No summary available.

Contributor:
Henslow Correspondence Project