From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
15 July 1879
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1: 1–52/48 [A 9902])
Summary:
Suggests possible visit by EH.
Comments on EH’s research.
Contributor:
Darwin Correspondence Project