From C. G. Ehrenberg 15 June 1844
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.
| Author: | Christian Gottfried Ehrenberg |
| Addressee: | Charles Robert Darwin |
| Date: | 15 June 1844 |
| Classmark: | DAR 163: 10 |
| Letter no: | DCP-LETT-758 |
From C. G. Ehrenberg 11 July 1844
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.
| Author: | Christian Gottfried Ehrenberg |
| Addressee: | Charles Robert Darwin |
| Date: | 11 July 1844 |
| Classmark: | DAR 163: 11 |
| Letter no: | DCP-LETT-762 |
Matches: 2 hits
- … 45–7. Ehrenberg’s first letter to CD had not arrived. See letter from C. G. Ehrenberg, …
- … Ehrenberg 1844b ). CD had offered specimens collected by Joseph Dalton Hooker during James Clark Ross’s Antarctic expedition, see letters to J. D. Hooker, [27 January 1844] and 23 February [1844] , and letter to C. G. …
From C. G. Ehrenberg 11 March 1846
Summary
Describes Infusoria in Rio Gallegos samples.
"Fluthgebiete" means estuary deposit.
Discusses dust samples from Malta. Asks for further samples.
| Author: | Christian Gottfried Ehrenberg |
| Addressee: | Charles Robert Darwin |
| Date: | 11 Mar 1846 |
| Classmark: | DAR 39: 62–3 |
| Letter no: | DCP-LETT-960 |
Matches: 3 hits
- … this letter. I remain with sincere respect | Your most humble | Dr C G Ehrenberg If you …
- … entry and CD’s subsequent letter to C. G. Ehrenberg, 25[–31? ] March [1846] , indicate …
- … Ehrenberg’s term ‘Fluthgebiete’. Previously, it had been translated by Alcide d’Orbigny as a ‘flood’, lending support to Orbigny’s view that the Pampas deposits had been laid down by a debacle. See South America , p. 248 n. , and letter to C. G. …
From C. G. Ehrenberg 13 March 1845
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.
| Author: | Christian Gottfried Ehrenberg |
| Addressee: | Charles Robert Darwin |
| Date: | 13 Mar 1845 |
| Classmark: | DAR 39: 59a–c |
| Letter no: | DCP-LETT-837 |
From C. G. Ehrenberg 8 April 1845
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)].
| Author: | Christian Gottfried Ehrenberg |
| Addressee: | Charles Robert Darwin |
| Date: | 8 Apr 1845 |
| Classmark: | DAR 39: 60–1b |
| Letter no: | DCP-LETT-853 |
Matches: 1 hit
- … Ehrenberg’s information see South America , pp. 111, 118–19, 248. Ehrenberg 1845b , p. 147. CD used these results in South America , p. 81. If the Pampas mud had been deposited in fresh or brackish water, it would explain the absence of shells and the presence of large numbers of fossil mammal remains (see South America , pp. 98–9, and letter to C. G. …
| letter | (5) |
| Darwin, C. R. | (5) |
| Darwin, C. R. | (5) |
| Ehrenberg, C. G. | (5) |
