From:
Robert McLachlan
To:
Charles Robert Darwin
Date:
24 Feb 1868
Source of text:
DAR 82: A86–7
Summary:
Reports that when August Meyer confined several distinct species of Phryganeidae they coupled and produced fertile ova, indicating that some specific characters are not so important so far as reproduction is concerned [see Descent 1: 342 n. 2].
Contributor:
Darwin Correspondence Project
