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DCP-LETT-5025

From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[3 Mar 1866]
Source of text:
American Philosophical Society (Mss.B.D25.315)
Summary:

Has returned memorial to Chancellor of Exchequer; thanks CL for his note.

Lengthy remarks on cool period. Did not know of CL’s interest. New facts in new German and English [4th] editions of Origin will be too late for CL’s use. CD’s ten-year-old MS on cool period is available.

Contributor:
Darwin Correspondence Project

DCP-LETT-5028

From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
8 Mar [1866]
Source of text:
American Philosophical Society (Mss.B.D25.316)
Summary:

Gives details of enclosed MS on cool period. Mentions Hooker’s opposed "axis of the earth" view. Causes of glacial period are beyond CD; "cannot believe change in land and water being more than a subsidiary agent".

Contributor:
Darwin Correspondence Project
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