From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[11 Apr 1857]
Source of text:
DAR 104: 198–201
Summary:
JDH cites W. H. Harvey’s observations on Fucus and David Don’s on Juncus as examples of variations that are independent of climate. There are many such cases. Gives his working scheme for categorising variation.
Contributor:
Darwin Correspondence Project
