From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
8 Mar [1866]
Source of text:
American Philosophical Society (Mss.B.D25.316)
Summary:
Gives details of enclosed MS on cool period. Mentions Hooker’s opposed "axis of the earth" view. Causes of glacial period are beyond CD; "cannot believe change in land and water being more than a subsidiary agent".
Contributor:
Darwin Correspondence Project