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Haeckel, Ernst in author 
1870-1879::1879::07 in date 
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From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
12 July 1879
Source of text:
DAR 166: 73
Summary:

Thanks CD for comments on Freie Wissenschaft und freie Lehre [1878].

Describes work on Medusae.

Describes work on Challenger Radiolaria and publication plans.

Contributor:
Darwin Correspondence Project