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DCP-LETT-6672

From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
20 Mar [1869]
Source of text:
American Philosophical Society (Mss.B.D25.367)
Summary:

Discusses views of Wallace, H. N. Moseley, and Croll on the mechanics of glacier movement.

Comments on Wallace’s new book [The Malay Archipelago (1869)].

Contributor:
Darwin Correspondence Project

DCP-LETT-6692

From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
5 Mar [1869]
Source of text:
American Philosophical Society (Mss.B.D25.364)
Summary:

Discusses wear and tear due to glaciation and significance of this evidence for dating the glacial period. Mentions views of James Croll and Archibald Geikie on the issue.

Contributor:
Darwin Correspondence Project
Text Online

WCP7191

From:
Charles Robert Darwin
To:
Charles Lyell
Date:
20 March [1869]
Source of text:
American Philosophical Society: Mss.B.D25.367
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project
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Transcription available