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Darwin, C. R. in correspondent 
Haeckel, Ernst in correspondent 
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From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
11 Jan [1875]
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1:1-52/ 33 [9886])
Summary:

Thanks for F. v. Hellwald [Culturgeschichte (1875)].

Contributor:
Darwin Correspondence Project
From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
6 June 1875
Source of text:
DAR 166: 64
Summary:

Comments on Fritz Schultze, Kant und Darwin [1875].

Describes recent activities.

Contributor:
Darwin Correspondence Project
From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
7 Nov 1875
Source of text:
DAR 166: 65
Summary:

Thanks CD for Climbing plants and Insectivorous plants.

Discusses his research on phylogeny. Results described in "Die Gastrula und die Eifurchung der Tiere" [Jena. Z. Naturw. 9 (1875): 402–508].

Describes newly discovered coral.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
13 Nov 1875
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1:1-52/34 [9887])
Summary:

Mentions receipt of EH’s History of creation [1876].

Describes his own work on cross- and self-fertilised flowers. Subject bears on the very principle of life.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
25 Nov 1875
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1:1-52/35 [9888])
Summary:

Has read EH’s History of creation [trans. E. R. Lankester (1875)]. Was much struck with many "brilliant & original remarks". Is gratified by the way EH speaks of CD’s books.

Contributor:
Darwin Correspondence Project