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Haeckel, Ernst in author 
1870-1879::1872::03 in date 
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From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
1 Mar 1872
Source of text:
DAR 166: 57
Summary:

Thanks CD for Origin, 6th ed.

Has declined chair at Strasbourg.

Describes research on calcareous sponges.

Criticises Pangenesis.

Contributor:
Darwin Correspondence Project