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From Julius von Haast   21 July [– 7? August] 1863

Summary

In a forthcoming paper JvH will show geological age of the world to be "incalculable" and will confirm CD’s theory that "the old system of chronological sequence of formations all over the world must be abandoned in a great degree".

Predicts the links between species, genera, and classes will be found.

CD elected an Honorary Member [of Philosophical Institute of Canterbury].

Author:  John Francis Julius (Julius) von Haast
Addressee:  Charles Robert Darwin
Date:  21 July [– 7? Aug] 1863
Classmark:  DAR 166: 4, 6; Darwin Pamphlet Collection–CUL (G304)
Letter no:  DCP-LETT-4249