From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
6 Dec [1865]
Source of text:
Ernst-Haeckel-Haus (Bestand A–Abt. 1: 1–52/7)
Summary:
Not surprised at delay of his book [Generelle Morphologie (1866)].
P. M. Duncan taking side of evolution.
Has received paper on Geryonidae ["Über eine neue Form des Generationswechsels bei den Medusen", Monatsber. K. Akad. Wiss. Berlin (1865): 85–94]. Had often speculated on whether such a case ever occurred in nature.
Contributor:
Darwin Correspondence Project