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Darwin, C. R. in correspondent 
1880-1889::1880::12 in date 
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From:
Charles Robert Darwin
To:
Thomas Mellard Reade
Date:
9 Dec 1880
Source of text:
University of Liverpool Library (TMR1.D.7.7)
Summary:

Comments on TMR’s "Oceanic islands" [Geol. Mag. 8 (1881): 75–7]. Fact that oceanic islands are all volcanic argues for view that no continent ever occupied the oceans. Chalk seemed best evidence of ocean having existed where continent now stands. CD leans to view that continents have occupied present positions since Cambrian.

Contributor:
Darwin Correspondence Project