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From Joseph Beete Jukes   25 May 1862

Summary

JBJ explains his theory of atmospheric denudation of Irish river valleys, to be published [as "On the river valleys in the south of Ireland", Q. J. Geol. Soc. Lond. 18 (1862): 378–403], and suggests its application to the Weald. This slow process would make the Weald far older than CD’s 300 million years.

Thanks for Orchids.

Author:  Joseph Beete Jukes
Addressee:  Charles Robert Darwin
Date:  25 May 1862
Classmark:  DAR 168: 90
Letter no:  DCP-LETT-3571
letter