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Charles Darwin in collection 
1840-1849::1844 in date 
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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
29 [June 1844]
Source of text:
DAR 114: 12
Summary:

Encloses letter from Ehrenberg [758] about Infusoria.

Intends to visit Kew.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Josiah (Jos) Wedgwood, III
Date:
31 July 1844
Source of text:
Alan Wedgwood (private collection)
Summary:

Acknowledges receipt of the order for £48 4s. 8d., and offers full indemnity for the £5,000 deposited without security.

Contributor:
Darwin Correspondence Project
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
From:
Charles Robert Darwin
To:
Emma Wedgwood; Emma Darwin
Date:
5 July 1844
Source of text:
Natural History Museum, Library and Archives (General Special Collections MSS DAR A4)
Summary:

Asks that in the event of his death, Emma should have the sketch of his species theory edited and published. Suggests possible editors, among them Lyell, Edward Forbes, and J. D. Hooker. [CD annotation on cover: "Hooker by far best man to edit my species volume Aug 1854".]

Contributor:
Darwin Correspondence Project
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
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[14 July 1844]
Source of text:
DAR 114: 13
Summary:

Health and weather permitting, CD proposes to visit Kew.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
22 July [1844]
Source of text:
DAR 114: 14
Summary:

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

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Stevens Henslow
Date:
[25 July 1844]
Source of text:
John Hay Library, Brown University (Albert E. Lownes Manuscript Collection)
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.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Josiah (Jos) Wedgwood, III; Erasmus Alvey Darwin
Date:
25 July 1844
Source of text:
V&A / Wedgwood Collection (MS W/M 1012)
Summary:

Requests to JW III and EAD as trustees of the marriage-settlement, to make some funds available.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Henry Denny
Date:
[27 July – 10 Aug 1844]
Source of text:
Yale University Medical Historical Library, Harvey Cushing / John Hay Whitney Medical Library (MMS)
Summary:

Sends four packets of lice and suggests writing to Dr A. Smith, "the S. African traveller", for assistance.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Royal Geographical Society
Date:
[30 July 1844 – 1 Oct 1846]
Source of text:
Fitzwilliam Museum, Cambridge (GEN/D/DARWIN (C)/5)
Summary:

Urgently needs a Spanish map of the Cordilleras of central Chile near St Jago [Santiago].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[1–29 Aug 1844]
Source of text:
DAR 114: 15
Summary:

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

H. Denny would like specimens of Antarctic Pediculi.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Charles Adolphe Morlot (Adolph von Morlot)
Date:
9 Aug [1844]
Source of text:
Burgerbibliothek Bern, Bern, Switzerland
Summary:

Declines to undertake to have AM’s journal published but recommends possible publishers in England.

Expresses scepticism about AM’s glacier theory. Emphasises role of floating ice instead. Mentions article by William Hopkins on movement of glaciers.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Henry Denny
Date:
12 Aug [1844]
Source of text:
American Philosophical Society (Mss.B.D25.)
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.]

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
29 [Aug 1844]
Source of text:
DAR 114: 16
Summary:

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

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Leonard Horner
Date:
29 Aug [1844]
Source of text:
American Philosophical Society (Mss.B.D25.38)
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.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[1 Sept 1844]
Source of text:
American Philosophical Society (Mss.B.D25.39)
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)].

Contributor:
Darwin Correspondence Project
From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[c. 3 Sept 1844]
Source of text:
DAR 104: 221
Summary:

Suggests there is a direct relation between temperature and abundance of plant species.

Contributor:
Darwin Correspondence Project
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
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[8 Sept 1844]
Source of text:
DAR 114: 17
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".

Contributor:
Darwin Correspondence Project
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