From:
Charles Robert Darwin
To:
Louis Charles Joseph Gaston (Gaston) de Saporta, comte de Saporta
Date:
11 Oct 1877
Source of text:
DAR 147: 422
Summary:
Thanks GdeS for communicating his discovery. It is especially important at a time when several naturalists have declared that development occurs quite suddenly at intervals. Joseph Le Conte in N. America urges that even new families and orders are developed within an extremely short period.
Contributor:
Darwin Correspondence Project