Search: Main, William in correspondent 
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Darwin, C. R. in correspondent 
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From:
William Main
To:
Charles Robert Darwin
Date:
2 Apr 1873
Source of text:
DAR 171: 28
Summary:

Having now read Expression, WM repeats his criticism of "antithesis". Explains his theory of up-and-down-tending lines.

Contributor:
Darwin Correspondence Project