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To Charles Lyell [12 March 1841]
Summary
Discusses at length Louis Agassiz’s book [Études sur les glaciers (1840)] and Agassiz’s explanation of moraines. Defends his own theory of the importance of floating ice. Relates glacier theory to his own interpretation of Glen Roy.
Mentions a paper he is writing on South American boulders and till [Collected papers 1: 145–63].
Author: | Charles Robert Darwin |
Addressee: | Charles Lyell, 1st baronet |
Date: | [12 Mar 1841] |
Classmark: | American Philosophical Society (Mss.B.D25.25) |
Letter no: | DCP-LETT-595 |