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Darwin, C. R. in correspondent 
Horner, Leonard in correspondent 
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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:
[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:
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:
Charles Robert Darwin
To:
Leonard Horner
Date:
23 Dec [1859]
Source of text:
DAR 145: 140
Summary:

Much pleased that LH approves of Origin.

"Ilkley [Wells] did me extraordinary good."

Wants to know C. J. F. Bunbury’s opinion of Origin.

Contributor:
Darwin Correspondence Project