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To C. G. Ehrenberg   19 April [1845]

Summary

Sends small specimens for CGE to examine if he wishes.

Thanks CGE for his letter on Atlantic Dust: CD hopes to send a little paper to the Geological Society of London.

If CGE should examine Pampæan mud, CD would like to know the result.

Author:  Charles Robert Darwin
Addressee:  Christian Gottfried Ehrenberg
Date:  19 Apr [1845]
Classmark:  Museum für Naturkunde Berlin (MfN/HBSB, N005 NL Christian Gottfried Ehrenberg Nr. 43 Bl. 9–10)
Letter no:  DCP-LETT-857F

Matches: 3 hits

To J. D. Hooker   29 [June 1844]

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Summary

Encloses letter from Ehrenberg [758] about Infusoria.

Intends to visit Kew.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  29 [June 1844]
Classmark:  DAR 114: 12
Letter no:  DCP-LETT-759

Matches: 1 hit

  • … from Ernst Dieffenbach (see letter to C.  G. Ehrenberg, 4 July [1844] ). This letter has …

To J. D. Hooker   [1–29 August 1844]

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Summary

Encloses Ehrenberg letter, Galapagos seaweed, and specimens of Conferva.

H. Denny would like specimens of Antarctic Pediculi.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [1–29 Aug 1844]
Classmark:  DAR 114: 15
Letter no:  DCP-LETT-768

Matches: 2 hits

  • … of the letter from Christian Gottfried Ehrenberg, 15 June 1844 (see letter to C.  G. …
  • Ehrenberg, 5 September [1844] ). Presumably CD refers to the letter from C.  G. Ehrenberg, …

To C. G. Ehrenberg   29 October [1845]

Summary

Sends specimens. Asks for information about specimens from Rio Gallegos.

What does CGE mean by the term "Fluthgebiete"?

French translation gives impression that Ehrenberg attributes Pampas deposit to debacle.

Author:  Charles Robert Darwin
Addressee:  Christian Gottfried Ehrenberg
Date:  29 Oct [1845]
Classmark:  Museum für Naturkunde Berlin (MfN/HBSB, N005 NL Christian Gottfried Ehrenberg Nr. 43)
Letter no:  DCP-LETT-923

Matches: 1 hit

  • … 1845  and 4 July 1845 . See letter from C.  G. Ehrenberg, 8 April 1845 , and Ehrenberg …

To C. G. Ehrenberg   23 January [1845]

Summary

Would like sketch returned [see 775].

Would be particularly thankful for result of CGE’s observations on earth of Pampas.

Asks that Ernst Dieffenbach return copperplate and woodcuts.

Author:  Charles Robert Darwin
Addressee:  Christian Gottfried Ehrenberg
Date:  23 Jan [1845]
Classmark:  Museum für Naturkunde Berlin (MfN/HBSB, N005 NL Christian Gottfried Ehrenberg Nr. 43)
Letter no:  DCP-LETT-819

Matches: 1 hit

  • … See letter to C.  G. Ehrenberg, 5 September [1844] . See Correspondence vol.  2, letter to …

To J. D. Hooker   [24 March 1846]

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Summary

C. G. Ehrenberg wants specimen grasses from Ascension Island.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [24 Mar 1846]
Classmark:  DAR 114: 57
Letter no:  DCP-LETT-962

Matches: 1 hit

  • … to having received the letter from C.  G. Ehrenberg, 11 March 1846 , which arrived at Down …

From C. G. Ehrenberg    15 June 1844

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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

Matches: 2 hits

  • … J. D. Hooker, [1–29 August 1844] , and letter to C. G. Ehrenberg, 5 September [1844] . See …
  • … letter to C.  G. Ehrenberg, 5 September [1844] . For the transcription of this letter in …

To Ernst Dieffenbach   11 June [1844]

Summary

About the researches of Ehrenberg. "I have … sent him several packets of objects from my voyage & that of Dr. Hooker".

Author:  Charles Robert Darwin
Addressee:  Ernst Dieffenbach
Date:  11 June [1844]
Classmark:  J. A. Stargardt (dealers) (Catalogue 574 11–13 November 1965)
Letter no:  DCP-LETT-757

Matches: 1 hit

  • … Date taken from the Stargardt catalogue. See letter to C.  G. Ehrenberg, 20 April [1844] . …

To C. G. Ehrenberg   23 March [1845]

Summary

Cannot doubt that Atlantic dust comes from Africa. Could Gulf Stream have brought South American organisms to African coast?

Has come to same conclusion as CGE on volcanic origin of Patagonian stone. Formation extends 550 miles.

Could CGE examine Pampas mud to see if Infusoria are freshwater or salt-water? Results would be important.

Author:  Charles Robert Darwin
Addressee:  Christian Gottfried Ehrenberg
Date:  23 Mar [1845]
Classmark:  Museum für Naturkunde Berlin (MfN/HBSB, N005 NL Christian Gottfried Ehrenberg Nr. 43)
Letter no:  DCP-LETT-845

Matches: 2 hits

  • … is clearly a reply to the letter from C.  G. Ehrenberg, 13 March 1845 . Ehrenberg reported …
  • C.  G. Ehrenberg, 21 May [1845] , and Journal of researches 2d ed. , pp.  129–30. CD was anxious to establish that the mud had been deposited in fresh or brackish water. Alcide d’Orbigny had maintained that it had been formed by a sudden inundation ( débâcle ) of sea-water. See South America , pp.  88, 248, and Correspondence vol.  2, letter

To C. G. Ehrenberg   25[–31?] March [1846]

Summary

Sends copy [of "Fine dust in the Atlantic Ocean", Collected papers 1: 199–202]. Attempting to obtain further samples for CGE.

Author:  Charles Robert Darwin
Addressee:  Christian Gottfried Ehrenberg
Date:  25[–31?] Mar [1846]
Classmark:  Museum für Naturkunde Berlin (MfN/HBSB, N005 NL Christian Gottfried Ehrenberg Nr. 43 Bl. 15–17)
Letter no:  DCP-LETT-965

Matches: 1 hit

  • … vol. 30, Supplement). Letter from C.  G. Ehrenberg, 11 March 1846 . ‘Account of the dust …

From J. D. Hooker   30 March 1846

Summary

Sends specimens of grasses from Ascension Island for CD to forward to Christian Gottfried Ehrenberg.

Includes list of indigenous flowering plants of Ascension Island.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  30 Mar 1846
Classmark:  Museum für Naturkunde Berlin (MfN/HBSB, N005 NL Christian Gottfried Ehrenberg Nr. 123 Bl. 9)
Letter no:  DCP-LETT-967F

Matches: 1 hit

  • … letter was enclosed in the letter to C. G. Ehrenberg, 25 March [1846] ( Correspondence …

To J. D. Hooker   29 [August 1844]

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Summary

Encloses pamphlet from Ehrenberg who asks about deep-sea soundings from JDH’s voyage.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  29 [Aug 1844]
Classmark:  DAR 114: 16
Letter no:  DCP-LETT-772

Matches: 1 hit

  • Ehrenberg 1844a . The pamphlets had been forwarded via Richard Taylor , see letter from C.  G. …

From C. G. Ehrenberg   11 July 1844

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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. …

To J. D. Hooker   [17 April 1844]

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Summary

Thanks for information on printing charges

and for clarifying "typical forms".

In a few days CD will go away for six weeks.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [17 Apr 1844]
Classmark:  DAR 114: 18
Letter no:  DCP-LETT-746

Matches: 1 hit

  • … Dated on the basis of the letter to C.  G. Ehrenberg, 20 April [1844] . John Edward Gray . …

To J. D. Hooker   22 July [1844]

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Summary

Encloses letter from Ehrenberg [762], who wants information on deep-sea soundings from JDH’s voyage, and on isolated islands.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  22 July [1844]
Classmark:  DAR 114: 14
Letter no:  DCP-LETT-764

Matches: 1 hit

  • … Presumably the letter from C.  G. Ehrenberg, 11 July 1844 . They are the same. The …

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. …

To Christian Karl Josias Bunsen   16 August [1853]

Summary

Thanks correspondent for forwarding microscopical specimens, a present from C. G. Ehrenberg.

Author:  Charles Robert Darwin
Addressee:  Christian Karl Josias Bunsen, Freiherr von Bunsen
Date:  16 Aug [1853]
Classmark:  The Morgan Library and Museum, New York (Heineman Collection MA 6511)
Letter no:  DCP-LETT-902

Matches: 1 hit

  • … 3, letters to C.  G. Ehrenberg, 21 May [1845] , 29 October [1845] , and letter to J.  D. …

To John Stevens Henslow   [25 July 1844]

Summary

Sends a specimen of rusty wheat from the banks of the Plata.

Asks for bits of peat he collected

and a bit of the paint used by Fuegians to colour themselves.

He will send these to C. G. Ehrenberg for analysis.

Author:  Charles Robert Darwin
Addressee:  John Stevens Henslow
Date:  [25 July 1844]
Classmark:  John Hay Library, Brown University (Albert E. Lownes Manuscript Collection)
Letter no:  DCP-LETT-765

Matches: 1 hit

  • … diseases, 1841a and 1841b. See letter from C.  G. Ehrenberg, 11 July 1844 , in which he …

To John Murray   17 March [1845]

Summary

CD has heard from Lyell that JM is inclined to publish a second edition of Journal of researches. His agreement with Henry Colburn leaves CD free to publish with anyone. Will have no further relations with Colburn. Discusses details of proposed revisions.

Author:  Charles Robert Darwin
Addressee:  John Murray
Date:  17 Mar [1845]
Classmark:  National Library of Scotland (John Murray Archive) (Ms.42152 ff.354–355)
Letter no:  DCP-LETT-841

Matches: 1 hit

  • … asked that they be returned (see letter to C.  G. Ehrenberg, 23 January [1845] ) but they …

To Ernst Dieffenbach   8 April [1845]

Summary

Thanks ED for copy of German edition of Journal of researches. Asks him to write and ask German publisher to return plates and MS.

Author:  Charles Robert Darwin
Addressee:  Ernst Dieffenbach
Date:  8 Apr [1845]
Classmark:  Swiss National Library, Helvetic Archives (SLA-Rhyn-06-d/01)
Letter no:  DCP-LETT-854

Matches: 1 hit

  • … personal legal problems (see letter from C.  G. Ehrenberg, 13 March 1845 ). The firm of …
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