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Thwaites, G. H. K. in correspondent 
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DCP-LETT-2697

From:
George Henry Kendrick Thwaites
To:
Charles Robert Darwin
Date:
[14 Feb 1860]
Source of text:
DAR 205.4: 100
Summary:

Questions how natural selection can explain why some cells remain simple and others are modified into highly complex structures.

Reports on the spread in Ceylon of a recently introduced plant.

Contributor:
Darwin Correspondence Project
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DCP-LETT-2731

From:
Charles Robert Darwin
To:
George Henry Kendrick Thwaites
Date:
21 Mar [1860]
Source of text:
Smithsonian Libraries and Archives (Dibner Library of the History of Science and Technology MSS 405 A. Gift of the Burndy Library)
Summary:

Is pleased GHKT goes a little way with him.

Has rectified in foreign editions of Origin his omission of an explanation of the failure of many forms to progress;

also has discussion of beauty in MS. Does GHKT really believe Diatomaceae, for instance, were created beautiful so that man, millions of generations later, should admire them through a microscope? CD attributes most of these structures to unknown laws of growth; useful structures are accounted for by natural selection.

Contributor:
Darwin Correspondence Project

DCP-LETT-2957

From:
Charles Robert Darwin
To:
George Henry Kendrick Thwaites
Date:
20 Oct [1860]
Source of text:
The New York Public Library. Astor, Lenox and Tilden Foundations. Manuscripts and Archives Division. (Richard John Levy and Sally Waldman Sweet collection: box 2, folder 12)
Summary:

Thanks for fact about ducks in Ceylon. Asks for more information.

Pleased by GHKT’s sentence [about Origin].

Contributor:
Darwin Correspondence Project
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