From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
12 Feb [1878]
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1: 1–52/44 [9897])
Summary:
Thanks EH for birthday greetings.
Mentions his work on movement of plants.
Contributor:
Darwin Correspondence Project