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Haeckel, Ernst in correspondent 
1860-1869::1867::04 in date 
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From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
12 Apr [1867]
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1–52/13)
Summary:

Struck by singular clarity of EH’s Generelle Morphologie. Remarks on various authors seem too severe. Severity leads the reader to take the side of the attacked person.

Making slow progress in correcting Variation.

Contributor:
Darwin Correspondence Project