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DCP-LETT-758

From:
Christian Gottfried Ehrenberg
To:
Charles Robert Darwin
Date:
15 June 1844
Source of text:
DAR 163: 10
Summary:

Thanks for earth samples. Discusses Infusoria in samples from Galapagos and Cape Verde Islands. Would like samples from other sites. Will send further results of investigations.

Contributor:
Darwin Correspondence Project

DCP-LETT-762

From:
Christian Gottfried Ehrenberg
To:
Charles Robert Darwin
Date:
11 July 1844
Source of text:
DAR 163: 11
Summary:

Thanks for shipments of earth samples. Sends copy of article describing Infusoria in samples ["Einige vorläufige Resultate … über das Verhalten des kleinsten Lebens in den Oceanen", Ber. k. Preuss. Akad. Wiss. Berlin (1844): 182–207]. Asks for more information and samples, especially from the soundings of Ross’s expedition.

Contributor:
Darwin Correspondence Project

DCP-LETT-837

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

DCP-LETT-853

From:
Christian Gottfried Ehrenberg
To:
Charles Robert Darwin
Date:
8 Apr 1845
Source of text:
DAR 39: 60–1b
Summary:

Discusses table of Atlantic dust samples. Thinks dust came from South America.

Discusses Patagonian tuff samples.

Answers CD’s query about material from Pampas. Believes deposit made in brackish water.

Criticises account of Atlantic dust in F. J. F. Meyen [Reise um die Erde (1834–5)].

Contributor:
Darwin Correspondence Project

DCP-LETT-9103

From:
Christian Gottfried Ehrenberg
To:
Charles Robert Darwin
Date:
20 Oct 1873
Source of text:
DAR 163: 12
Summary:

Sends an essay ["Mikrogeologische Studien über das kleinste Leben der Meeres-Tiefgründe aller Zonen und dessen geologischen Einfluss", Abhandlungen der Preussischen Akademie der Wissenschaften zu Berlin (1873): 131-98.]

with expressions of admiration. CGE is confident their differences will not estrange them.

Remembers with gratitude the [Atlantic] dust that CD made available to him in 1844 [see 747].

Contributor:
Darwin Correspondence Project

DCP-LETT-960

From:
Christian Gottfried Ehrenberg
To:
Charles Robert Darwin
Date:
11 Mar 1846
Source of text:
DAR 39: 62–3
Summary:

Describes Infusoria in Rio Gallegos samples.

"Fluthgebiete" means estuary deposit.

Discusses dust samples from Malta. Asks for further samples.

Contributor:
Darwin Correspondence Project
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