From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
10 July 1862
Source of text:
DAR 101: 46–7
Summary:
JDH’s trip to Switzerland with his wife.
Has seen Oswald Heer’s fossils, including a leaf, apparently dicotyledonous, from the Lower Lias in Jura.
Value of insect and crustacean fossils for systematic determination.
JDH "impressed with identity of physical features and what wonderful analogy of biological [features] between Alps and Himalayas".
Contributor:
Darwin Correspondence Project
