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DCP-LETT-8314

From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
10 May [1872]
Source of text:
American Philosophical Society (Mss.B.D25.415)
Summary:

Comments on CL’s Principles of geology, 11th ed.

Discusses natural selection in man.

Contributor:
Darwin Correspondence Project

DCP-LETT-8345

From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
22 May [1872]
Source of text:
American Philosophical Society (Mss.B.D25.416)
Summary:

Comments on migration as a factor in evolution. Suggests pamphlet by August Weismann on the subject [Über den Einfluss der Isolierung (1872)].

Contributor:
Darwin Correspondence Project

DCP-LETT-8348

From:
Charles Robert Darwin
To:
Adèle-Athénaïs Mialaret (Athénaïs) Michelet
Date:
23 May 1872
Source of text:
American Philosophical Society (Mss.B.D25.417)
Summary:

Discusses books about cats and crosses in cats. Thanks her for her book on cats.

Contributor:
Darwin Correspondence Project
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