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Lyell, Charles in author 
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DCP-LETT-5024

From:
Charles Lyell, 1st baronet
To:
Charles Robert Darwin
Date:
1 Mar 1866
Source of text:
DAR 91: 89–90
Summary:

Feels sure that at times the globe must have been superficially cooler. Believes CD will turn out right with regard to migration across the equator via mountain chains, while the tropical heat of certain lowlands was retained.

Contributor:
Darwin Correspondence Project

DCP-LETT-5027

From:
Charles Lyell, 1st baronet
To:
Charles Robert Darwin
Date:
5 Mar 1866
Source of text:
ML 2: 158
Summary:

Surprised at Hooker’s introducing "so organic a change as a deviation in the axis of the planet" to explain the cold of the Glacial Period.

Contributor:
Darwin Correspondence Project

DCP-LETT-5031

From:
Charles Lyell, 1st baronet
To:
Charles Robert Darwin
Date:
10 Mar 1866
Source of text:
K. M. Lyell ed. 1881, 2: 408–9
Summary:

Comments on cool-period MS. Still believes geographical changes principal cause of former changes of climate.

Contributor:
Darwin Correspondence Project

Herschel11527

From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[29 September 1866]
Source of text:
RS:HS 11.442
Summary:

Hopes to send a copy of his new edition [of Principles of Geology] in a few weeks. Hopes he will be satisfied with the manner in which he used JH's drawings. Comments about variations in the obliquity of the ecliptic. Quotes correspondence he has had with E. J. Stone of Greenwich Observatory. Would like JH's opinion on the matter.

Contributor:
John Herschel Project

Herschel11528

From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[19 October 1866]
Source of text:
RS:HS 11.443
Summary:

Did not intend to trouble him with his proofs, but as he has cited JH in the chapter dealing with the astronomical effect on climate he sends proofs for this chapter. Would like to quote JH's two letters on the subject. The whole book is set up and hopes to send the volume in November.

Contributor:
John Herschel Project

Herschel11531

From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[22 October 1866]
Source of text:
RS:HS 11.446
Summary:

Was pleased to get his twelve pages of slips returned this morning. In one he proposes an alteration of 3% instead of 1003 to 1000. Which is correct?

Contributor:
John Herschel Project
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