From:
Daniel Mackintosh
To:
Charles Robert Darwin
Date:
8 Dec [1867]
Source of text:
DAR 171: 6
Summary:
Thanks CD for information on inclined terraces in S. America, which DM thinks applies to the chalk downs of S. England. CD’s definition that the sea widens and fresh water deepens is key to the subject.
Contributor:
Darwin Correspondence Project