From:
David Forbes
To:
Charles Robert Darwin
Date:
18 Feb 1871
Source of text:
DAR 164: 146
Summary:
Thanks for copy of Descent.
Contributor:
Darwin Correspondence Project
From:
David Forbes
To:
Charles Robert Darwin
Date:
22 Nov [1871]
Source of text:
DAR 164: 148
Summary:
Effect of turf covering on the disintegration of rocks. Weathering of rock; relative importance of different agents with different rocks.
Contributor:
Darwin Correspondence Project
