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From:
Roland Trimen
To:
Charles Robert Darwin
Date:
20 Feb 1868
Source of text:
DAR 85: B59–60a
Summary:

Proportion of sexes in butterflies; discussion of subject at meeting of Entomological Society, London.

Attraction of males by female Lasiocampa quercus. [see Descent 1: 311–12.]

Contributor:
Darwin Correspondence Project
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