From:
Charles Robert Darwin
To:
Otto Staudinger
Date:
6 May [1868]
Source of text:
DAR 147: 491
Summary:
Asks about the ratio of male to female Lepidoptera.
Contributor:
Darwin Correspondence Project
Showing 1–2 of 2 items
Asks about the ratio of male to female Lepidoptera.
Thanks for information on sex ratios of Lepidoptera.
Agrees that entomologists have best means of proving derivation of species.