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From Ernst Haeckel   11 November 1865


Has heard from Huxley that CD has been ill.

Progress on his book [Generelle Morphologie (1866)] has been slow.

Has been named "ordentlicher Professor". Has 150 listeners in his lectures on CD’s theory.

Thanks CD for copy [of "Climbing plants"].

Sends his book [Beiträge zur Naturgeschichte der Hydromedusen, 1. Heft: Die Familie der Rüsselquallen (Geryonidae) (1865)] and two articles.

Calls attention to a new rhizopod from Nice.

Author:  Ernst Philipp August (Ernst) Haeckel
Addressee:  Charles Robert Darwin
Date:  11 Nov 1865
Classmark:  DAR 166: 40
Letter no:  DCP-LETT-4934

To Ernst Haeckel   6 December [1865]


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.

Author:  Charles Robert Darwin
Addressee:  Ernst Philipp August (Ernst) Haeckel
Date:  6 Dec [1865]
Classmark:  Ernst-Haeckel-Haus (Bestand A–Abt. 1: 1–52/7)
Letter no:  DCP-LETT-4947
Document type
letter (2)