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To J. D. Hooker   [14 July 1844]

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Summary

Health and weather permitting, CD proposes to visit Kew.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [14 July 1844]
Classmark:  DAR 114: 13
Letter no:  DCP-LETT-763

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

To J. D. Hooker   [25 July – 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:  [25 July–29 Aug 1844]
Classmark:  DAR 114: 15
Letter no:  DCP-LETT-768

To J. D. Hooker   29 [August 1844]

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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 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 J. D. Hooker   [10–11 November 1844]

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Origin of Antarctic brash ice.

Further on case of Lycopodium: does JDH know any genera of plants whose species are variable in one continent but not in another? Discussion on variations between floras as regards species richness, and factors affecting geographical distribution. On species, CD expects "that I shall be able to show even to sound naturalists that there are two sides to the question of the immutability of species; – that facts can be viewed and grouped under the notion of allied species having descended from common stocks". Mentions books and papers for and against species mutability. CD believes past absurd ideas arose from no one’s having approached subject on side of variation under domestication.

Would like to see Clarke’s paper

and would welcome visit from JDH.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [10-11 Nov 1844]
Classmark:  DAR 114: 19
Letter no:  DCP-LETT-789

To J. D. Hooker   [18 November 1844]

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Summary

Would like JDH to visit. Regrets he will not be fit to visit JDH.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [18 Nov 1844]
Classmark:  DAR 114: 20
Letter no:  DCP-LETT-792

To J. D. Hooker   [2 December 1844]

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Summary

Instructions for JDH’s trip to Down.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [2 Dec 1844]
Classmark:  DAR 114: 21
Letter no:  DCP-LETT-796

To J. D. Hooker   [4 December 1844]

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Summary

Change in train times.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [4 Dec 1844]
Classmark:  DAR 114: 22
Letter no:  DCP-LETT-797

To J. D. Hooker   16 [December 1844]

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Summary

Thanks for botanico-geographical remarks. CD greatly appreciates JDH’s valuable generalisations.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  16 [Dec 1844]
Classmark:  DAR 114: 23
Letter no:  DCP-LETT-800

To J. D. Hooker   25 December [1844]

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Questions on JDH’s sketch comparing floras of Australia, New Zealand, and western S. America; wishes to know botanical relations between other southern islands. Botanico-geographical discussions and comments on books sent by JDH.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  25 Dec [1844]
Classmark:  DAR 114: 24
Letter no:  DCP-LETT-803

To J. D. Hooker   22 [January 1844 – March 1882]

Summary

Discusses books returned

and invites him to Down for a few days.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  22 [Jan 1844 - Mar 1882]
Classmark:  Sotheby’s (dealers) (14 & 28 May 1983)
Letter no:  DCP-LETT-13816A

To Joseph Dalton Hooker   [11 January 1844]

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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 J. D. Hooker   [27 January 1844]

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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 J. D. Hooker   [3–17 February 1844]

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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 J. D. Hooker   23 February [1844]

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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 J. D. Hooker   [6 March 1844]

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Affinity of Galapagos with nearest Pacific islands. Relationship between ranges of species in time and space. Comparison of Malden Island and Galapagos plants. Affinities of Oceania plants with continental floras.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [6 Mar 1844]
Classmark:  DAR 114: 7
Letter no:  DCP-LETT-738

To J. D. Hooker   11 March [1844]

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Advice to JDH on problems of printing and publishing.

Remarks on differences of species between islets of Galapagos group.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  11 Mar [1844]
Classmark:  DAR 114: 8
Letter no:  DCP-LETT-740

To J. D. Hooker   16 March [1844]

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Asks JDH to forward publishing information to J. E. Gray.

Has received JDH’s infusorial specimens for Ehrenberg.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  16 Mar [1844]
Classmark:  DAR 114: 9
Letter no:  DCP-LETT-742

To J. D. Hooker   31 March [1844]

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Thanks for JDH’s interesting details about the Galapagos.

Clarification of CD’s query about the relationship between the range of a genus and the ranges of its constituent species.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  31 Mar [1844]
Classmark:  DAR 114: 10
Letter no:  DCP-LETT-744
Document type
letter[X]
Author
Addressee
Hooker, J. D.[X]
Correspondent
Date
1844
01 (3)
02 (2)
03 (4)
04 (1)
06 (2)
07 (3)
08 (1)
09 (1)
11 (2)
12 (4)
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