From:
Charles Robert Darwin
To:
Leonard Horner
Date:
[23 Dec 1846 – Jan 1847]
Source of text:
DAR 145: 138
Summary:
Responds to LH’s comments on South America.
Thinks it unsound to designate a geological epoch after man. Doubts people’s confidence in date of man’s introduction.
Criticises A. D. d’Orbigny’s theory of elevation of the Cordillera.
Lists sections of South America of special interest.
Contributor:
Darwin Correspondence Project