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Haeckel, Ernst in addressee 
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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:
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:
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