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From:
Henry Doubleday
To:
Charles Robert Darwin
Date:
3 Apr 1868
Source of text:
DAR 81: 78, DAR 82: A8
Summary:

Otto Staudinger’s catalogue shows prices of female Lepidoptera to be higher than those of males.

Contributor:
Darwin Correspondence Project
From:
Henry Doubleday
To:
Charles Robert Darwin
Date:
22 Apr 1868
Source of text:
DAR 82: A9–10
Summary:

On proportion of sexes;

coloration of sexes in Lepidoptera.

Sexual attraction of female Saturnia carpini.

Contributor:
Darwin Correspondence Project
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