From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[5 or 12] Nov 1845
Source of text:
DAR 114: 45
Summary:
Thanks for Antarctic flora [Flora Antarctica (1844–7)].
Agrees geographical distribution will be "the key which will unlock the mystery of species".
Could JDH look over a rough sketch on species?
Contributor:
Darwin Correspondence Project