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From:
Edward Newman
To:
Charles Robert Darwin
Date:
6 Apr 1862
Source of text:
DAR 172.2: 38
Summary:

Has several specimens illustrating dimorphism in insects that he would be happy to leave where CD could examine them.

Discusses the ant genera Formica and Atta, and the origin of the two forms of workers commonly found in the species of these genera.

Contributor:
Darwin Correspondence Project