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To Henry Denny   12 August [1844]

Summary

Can hardly believe he made a mistake in specimens sent to HD. Recopies numbers in case he transposed them. [Has to do with lice taken from a specimen of aperea and put into spirits during Beagle voyage.]

Author:  Charles Robert Darwin
Addressee:  Henry Denny
Date:  12 Aug [1844]
Classmark:  American Philosophical Society (Mss.B.D25.)
Letter no:  DCP-LETT-770

To Leonard Horner   29 August [1844]

Summary

Thanks Horner for his letter [about Volcanic islands].

Discusses craters of elevation with respect to the views of Leopold von Buch and Élie de Beaumont. Compares Lyell’s views to those of continental geologists. Mentions reading A. D. d’Orbigny [Voyage dans l’Amérique méridionale (1835–47)].

Encloses note from Emma to Mrs Horner, inviting the Horners to visit Down.

Author:  Charles Robert Darwin
Addressee:  Leonard Horner
Date:  29 Aug [1844]
Classmark:  American Philosophical Society (Mss.B.D25.38)
Letter no:  DCP-LETT-771

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

To Charles Lyell   [1 September 1844]

Summary

Asks about CL’s new book [Travels in North America (1845)].

Discusses views of A. D. d’Orbigny on elevation.

Mentions reading W. H. Prescott [History of the conquest of Mexico (1843)].

Author:  Charles Robert Darwin
Addressee:  Charles Lyell, 1st baronet
Date:  [1 Sept 1844]
Classmark:  American Philosophical Society (Mss.B.D25.39)
Letter no:  DCP-LETT-773

To C. G. Ehrenberg   5 September [1844]

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.

Author:  Charles Robert Darwin
Addressee:  Christian Gottfried Ehrenberg
Date:  5 Sept [1844]
Classmark:  Museum für Naturkunde Berlin (MfN/HBSB, N005 NL Christian Gottfried Ehrenberg Nr. 43)
Letter no:  DCP-LETT-775

To J. D. Hooker   [8 September 1844]

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Summary

Acknowledges note and parcel for Ehrenberg.

Considers why different areas have different numbers of species. Gives an example opposing JDH’s view that paucity of species results from vicissitudes of climate. CD has concluded that species are most numerous in areas that have most often been divided, isolated from, and then reunited with, other areas. Cannot give detailed reasons but believes that "isolation is the chief concomitant or cause of the appearance of new forms".

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [8 Sept 1844]
Classmark:  DAR 114: 17
Letter no:  DCP-LETT-776

To Gardeners’ Chronicle and Agricultural Gazette   [before 14 September 1844]

Summary

Referring to a correspondent who had written about Pelargonium plants whose leaves had become regularly edged with white, CD reports that nearly all the young leaves of box-trees he had planted have become symmetrically tipped with white. Though these facts seem trivial, CD believes the first appearance of any peculiarity which tends to become hereditary deserves being recorded.

Author:  Charles Robert Darwin
Addressee:  Gardeners’ Chronicle
Date:  [before 14 Sept 1844]
Classmark:  Gardeners’ Chronicle and Agricultural Gazette, no. 37, 14 September 1844, pp. 621
Letter no:  DCP-LETT-777

To Gardeners’ Chronicle and Agricultural Gazette   [before 14 September 1844]

Summary

Asks whether salt and carbonate of lime (in the form of seashells) would act upon each other if slightly moistened and left in great quantities together. The question occurs from CD’s having found in Peru a great bed of recent shells that were mixed with salt, decayed and corroded "in a singular manner". Mentions, as relevant to the value of seashells as manure, that they are dissolved more rapidly by water than any other form of carbonate of lime.

Author:  Charles Robert Darwin
Addressee:  Gardeners’ Chronicle
Date:  [before 14 Sept 1844]
Classmark:  Gardeners’ Chronicle and Agricultural Gazette, no. 37, 14 September 1844, pp. 628–9
Letter no:  DCP-LETT-778

To Adolf von Morlot   10 October [1844]

Summary

Says AM’s letters on glacial action not publishable since they do not give facts. Suggests readings on the subject of glaciers. Expresses doubts about AM’s theory that Scandinavian glaciers brought the boulders he was studying.

Author:  Charles Robert Darwin
Addressee:  Charles Adolphe Morlot (Adolph von Morlot)
Date:  10 Oct [1844]
Classmark:  Burgerbibliothek Bern, Bern, Switzerland
Letter no:  DCP-LETT-780

To James David Forbes   11 October [1844]

Summary

Discusses a specimen of Mexican obsidian with an unusual laminated structure.

Author:  Charles Robert Darwin
Addressee:  James David Forbes
Date:  11 Oct [1844]
Classmark:  University of St Andrews Special Collections (Papers of J. D. Forbes: msdep7 – Incoming letters 1844, no.57)
Letter no:  DCP-LETT-781

To Geological Society of London   [3 January 1844]

Summary

Asks that A. d’Orbigny’s geological map of S. America be sent to him with a card of the Society’s evening meetings.

Author:  Charles Robert Darwin
Addressee:  Geological Society of London
Date:  [3 Jan 1844]
Classmark:  Geological Society of London (GSL/L/R/8/92)
Letter no:  DCP-LETT-728

To Joseph Dalton Hooker   [11 January 1844]

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Summary

Queries on ratios of species to genera on southern islands. CD’s observations on distribution of Galapagos organisms, and on S. American fossils, and facts he has gathered since, lead him to conclusion that species are not immutable; "it is like confessing a murder".

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [11 Jan 1844]
Classmark:  DAR 114: 3
Letter no:  DCP-LETT-729

To Henry Denny   20 January [1844]

Summary

Discusses sending HD lice specimens. Asks him to check with G. R. Waterhouse.

Author:  Charles Robert Darwin
Addressee:  Henry Denny
Date:  20 Jan [1844]
Classmark:  American Philosophical Society (Mss.B.D25.37)
Letter no:  DCP-LETT-731

To Ernst Dieffenbach   25 January 1844

Summary

Delighted to be able to contribute Infusoria to ED’s "great countryman Ehrenberg". Includes a list of eight substances from his collection described in detail, which Ehrenberg might find useful in his researches.

Author:  Charles Robert Darwin
Addressee:  Ernst Dieffenbach
Date:  25 Jan 1844
Classmark:  J. A. Stargardt (dealers) Cat. 574 1965.11.11–13
Letter no:  DCP-LETT-732

To J. D. Hooker   [27 January 1844]

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Summary

C. G. Ehrenberg would like some earth from Galapagos, Tierra del Fuego, and the Falklands; wishes to hunt for Infusoria.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [27 Jan 1844]
Classmark:  DAR 114: 4
Letter no:  DCP-LETT-733

To Henry Denny   5 February [1844]

Summary

Dicussion of some specimens from the Beagle voyage.

Author:  Charles Robert Darwin
Addressee:  Henry Denny
Date:  5 Feb [1844]
Classmark:  Jeremy and Helen Evans (private collection)
Letter no:  DCP-LETT-734F

To J. D. Hooker   [3–17 February 1844]

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Summary

Thanks for information for Ehrenberg.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [3–17 Feb 1844]
Classmark:  DAR 114: 5
Letter no:  DCP-LETT-735

To Charles Wicksted   13 February [1844?]

Summary

Inquires about the habits of a litter of foxhounds whose sire was particularly good at recovering the scent in paths or roads.

Author:  Charles Robert Darwin
Addressee:  Charles Wicksted
Date:  13 Feb [1844?]
Classmark:  George Clive (private collection)
Letter no:  DCP-LETT-735A

To J. D. Hooker   23 February [1844]

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Summary

Has just completed Volcanic islands.

Sends queries on Galapagos flora in particular and island floras in general; also on relationship of wide-ranging species to wide-ranging genera.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  23 Feb [1844]
Classmark:  DAR 114: 6
Letter no:  DCP-LETT-736

To William Kemp   23 February [1844]

Summary

Regrets the delay in sending copies of his paper.

Author:  Charles Robert Darwin
Addressee:  William Kemp
Date:  23 Feb [1844]
Classmark:  Ruth Cramond and David Cramond (private collection)
Letter no:  DCP-LETT-736F
Document type
letter (73)
Author
Darwin, C. R.[X]
Date
1844
01 (6)
02 (5)
03 (6)
04 (2)
05 (2)
06 (8)
07 (10)
08 (4)
09 (5)
10 (6)
11 (9)
12 (10)
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