Search: Ehrenberg, C. G. in author 
1840-1849::1845::03 in date 
Charles Darwin in collection 
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From:
Christian Gottfried Ehrenberg
To:
Charles Robert Darwin
Date:
13 Mar 1845
Source of text:
DAR 39: 59a–c
Summary:

Regrets J. D. Hooker did not visit Berlin.

Describes legal difficulties of Ernst Dieffenbach.

Lists species of Infusoria found in dust samples. Discusses origin of Atlantic dust. Discusses Infusoria in cosmetic paint from Tierra del Fuego and Patagonian earth. Thanks CD for samples. Would like samples from sea-bed.

Contributor:
Darwin Correspondence Project