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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
29 [May 1860]
Source of text:
DAR 115: 58
Summary:

Convinced selection is the efficient cause. Less convinced of physical causes than JDH because he sees adaptation everywhere and that must be due to selection.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Lubbock, 4th baronet and 1st Baron Avebury
Date:
29 [May 1860]
Source of text:
DAR 263: 40 (EH 88206484)
Summary:

Local affairs.

Contributor:
Darwin Correspondence Project