From:
George Brettingham Sowerby, Jr
To:
Charles Robert Darwin
Date:
17 Feb 1868
Source of text:
DAR 82: A55–6
Summary:
Sends data from J. G. Jeffreys on the form of shells of the sexes of Mollusca. [See Descent 1: 324, 326.]
Contributor:
Darwin Correspondence Project