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DCP-LETT-747

From:
Charles Robert Darwin
To:
Christian Gottfried Ehrenberg
Date:
20 Apr [1844]
Source of text:
Museum für Naturkunde Berlin (MfN/HBSB, N005 NL Christian Gottfried Ehrenberg Nr. 43)
Summary:

Sends samples likely to contain Infusoria and some that Hooker collected in Antarctic regions.

Contributor:
Darwin Correspondence Project

DCP-LETT-760

From:
Charles Robert Darwin
To:
Christian Gottfried Ehrenberg
Date:
4 July [1844]
Source of text:
Museum für Naturkunde Berlin (MfN/HBSB, N005 NL Christian Gottfried Ehrenberg Nr. 43)
Summary:

Astonished that dust sample contains Infusoria. Thinks dust is volcanic. Will write account of falling dust [see 775]. Offers further samples.

Contributor:
Darwin Correspondence Project

DCP-LETT-775

From:
Charles Robert Darwin
To:
Christian Gottfried Ehrenberg
Date:
5 Sept [1844]
Source of text:
Museum für Naturkunde Berlin (MfN/HBSB, N005 NL Christian Gottfried Ehrenberg Nr. 43)
Summary:

Has at last received first letter CGE wrote.

More specimens being sent.

Sends his sketch of paper ["Fine dust in the Atlantic Ocean" (1846), Collected papers 1: 199–203].

D’Orbigny considers Pampas clay deposit result of debacle. CD cannot doubt it is slow, estuary deposit. Would be grateful for information on this point.

Contributor:
Darwin Correspondence Project
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