From:
Francis Walker
To:
Charles Robert Darwin
Date:
9 Dec 1867
Source of text:
DAR 82: A48–9
Summary:
The horns and spines of homopterous insects do not vary between sexes. Sexual differences in Blattidae.
Contributor:
Darwin Correspondence Project
Showing 1–1 of 1 item
The horns and spines of homopterous insects do not vary between sexes. Sexual differences in Blattidae.