From:
[Étienne] Geoffroy Saint-Hilaire
To:
Sir John Herschel
Date:
[20 May 1839]
Source of text:
RS:HS 17.167
Summary:
Comments on some work of JH. Disagrees with James South, and urges consideration of other ideas on a physical, [synthetic?] theory. [Much of this letter completely illegible.]
Contributor:
John Herschel Project