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From:
Alfred Russel Wallace
To:
Charles Robert Darwin
Date:
19 Nov 1866
Source of text:
DAR 106: B39–40
Summary:

Thanks CD for 4th ed. of Origin.

Discusses abnormal sexual characters produced by mimicry. ARW’s papers on the subject.

Agassiz’s "marvellous" Amazonian glacier theory.

Contributor:
Darwin Correspondence Project
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