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Haeckel, Ernst in correspondent 
1860-1869::1866 in date 
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From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
11 Jan 1866
Source of text:
DAR 166: 41
Summary:

Comments on CD’s health.

Discusses origin of life and differentiation of principal classes of plants and animals.

Discusses Generelle Morphologie and its chapter on embryological development.

His lectures on CD’s theory.

Asks CD for larger portrait of himself and for several copies of the small photograph. Will send photographs of German scientists in exchange.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
20 Jan [1866]
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1-52/8)
Summary:

Sends copies of photographs of himself. Asks for photographs of German naturalists.

Comments on EH’s account of Protogenes primordialis.

Contributor:
Darwin Correspondence Project
From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
28 Jan 1866
Source of text:
DAR 166: 42
Summary:

Discusses exchange of photographs with German scientists.

Comments on attitudes of German scientists toward CD’s theory.

Names several scientists who exchanged photographs: Braun, Virchow, Leydig, and Dohrn.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
1 Feb 1866
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1-52/9)
Summary:

Thanks for photographs [of German scientists].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
18 Aug [1866]
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1: 1-52/10)
Summary:

Comments on sheet of EH’s Generelle Morphologie [1866]. In emphasising divergence of character EH shows his clear understanding of CD’s views. It was years before CD saw necessity of divergence.

Interested in Carl Claus [Copepodenfauna von Nizza (1866)].

Contributor:
Darwin Correspondence Project
From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
19 Oct 1866
Source of text:
DAR 166: 43
Summary:

Will visit CD on Sunday, 21 October.

Will spend winter in research on Madeira and Tenerife.

CD will soon receive copy of Generelle Morphologie.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
[20 Oct 1866]
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1-52/11)
Summary:

Explains how to get to Down for visit.

Contributor:
Darwin Correspondence Project