From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
12 Oct [1866]
Source of text:
American Philosophical Society (Mss.B.D25.321)
Summary:
More comments on proofs [of CL’s Principles of geology, 10th ed.]. Discusses permanence of continents and other points.
Refers to passage describing evaporation of snow in Journal [of researches, pp. 277–8].
Cites astronomers’ views on increasing length of day.
Contributor:
Darwin Correspondence Project