From:
Charles Moore
To:
Charles Robert Darwin
Date:
15 May 1879
Source of text:
DAR 171: 233
Summary:
Sends an ammonite from the Upper Lias, which has Balanus-like bodies on surface. He wants CD’s interpretation. Discusses possible function of aptychi, siphuncular tube, and operculum in ammonites.
Contributor:
Darwin Correspondence Project