From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
13 June [1850]
Source of text:
DAR 114: 115
Summary:
On Himalayan stratigraphy. Believes JDH’s observations of glacial action are the first ever done east of Urals.
Barnacles and the species theory; impressed with variation.
Effect of CD’s species sketch on JDH’s view of willow systematics.
Contributor:
Darwin Correspondence Project
