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1860-1869::1866::01 in date 
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DCP-LETT-4973

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

DCP-LETT-4980

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

DCP-LETT-4985

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
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