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CD’s notes arising from conversations with J. D. Hooker   8 December 1844

Summary

[Notes on conversations with J. D. Hooker.] Geographical distribution; diffusion and distribution of species. Island and mountain floras; means of migration (high-roads, icebergs).

Author:  Charles Robert Darwin
Addressee:  Charles Robert Darwin
Date:  8 Dec 1844
Classmark:  DAR 100: 35–40
Letter no:  DCP-LETT-798

To Solicitor?   1 October 1844

Summary

CD and Emma request transfer of some shares to E. A. Darwin.

Author:  Charles Robert Darwin
Addressee:  Solicitor
Date:  1 Oct 1844
Classmark:  V&A / Wedgwood Collection (MS W/M 977)
Letter no:  DCP-LETT-779

From J. D. Hooker   28 October 1844

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Summary

Discusses the connection between climate and vegetation. Believes that an equable climate is unfavourable to increase of species either by importation or modification of existing forms; illustrates his view with reference to particular floras. Hopes to acquire facts to support CD’s idea that isolation is important in producing new forms. Considers the floras of islands some of which do have distinctive species but others of which do not. Agrees that the wide ranges of cryptogams are a consequence of their means of dispersal. Asks for references to works on original creation and species mutability in order to get the best notions of "the (mad) theories of some men from Lamarck’s twaddle upwards".

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  28 Oct 1844
Classmark:  DAR 100: 16–23
Letter no:  DCP-LETT-784

From Henry Denny   30 October 1844

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Summary

Has never heard of species of same genus [of parasites] being found on both birds and mammals, or different genera and species being found on animals in the domestic and wild states. Implications of this for relationship of aperea and guinea-pig.

Author:  Henry Denny
Addressee:  Charles Robert Darwin
Date:  30 Oct 1844
Classmark:  DAR 205.3: 273
Letter no:  DCP-LETT-785

To J. D. Forbes   [November? 1844]

Summary

Believes JDF’s discoveries in the structure of glacier ice will explain the structure of many volcanic masses. Will JDF’s views throw any light on the primary laminated rocks?

Author:  Charles Robert Darwin
Addressee:  James David Forbes
Date:  [Nov? 1844]
Classmark:  Proceedings of the Royal Society of Edinburgh 2 1845: 18)
Letter no:  DCP-LETT-786

To Henry Denny   7 November [1844]

Summary

Discusses HD’s information that same species of birds at remote stations have identical parasites. Urges him to investigate N. American land-bird parasites.

Is deeply interested in everything connected with geographical distribution, and the differences between species and varieties.

Author:  Charles Robert Darwin
Addressee:  Henry Denny
Date:  7 Nov [1844]
Classmark:  Cleveland Health Sciences Library
Letter no:  DCP-LETT-787

From J. D. Hooker   8 November 1844

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Summary

Sends notes on Infusoria for Ehrenberg.

Comments on distribution of species in natural orders that have local distributions. Intermediate forms between species of Lycopodium.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  8 Nov 1844
Classmark:  DAR 100: 24–5
Letter no:  DCP-LETT-788

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

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Summary

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. Forbes   13 [November 1844]

Summary

Mexican specimen of laminated obsidian.

Comments on Forbes’s publication comparing lava streams and glaciers. Mentions ice-action theories of a young German.

Author:  Charles Robert Darwin
Addressee:  James David Forbes
Date:  13 [Nov 1844]
Classmark:  University of St Andrews Special Collections (Papers of J. D. Forbes: msdep7 – Incoming letters 1844, no.65
Letter no:  DCP-LETT-790

From J. D. Hooker   14 November 1844

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Summary

Differences in variability of species within a single genus. Further observations on Lycopodium.

Interested in Humboldt’s river with different floras on opposite banks, and other unexplained cases of very local distributions.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  14 Nov 1844
Classmark:  DAR 100: 26–7
Letter no:  DCP-LETT-791

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 Adolf von Morlot   28 November [1844]

Summary

Mentions his Plutonic view of earth history.

Cites Lyell’s opinions on loess.

CD doubts contemporaneousness of extinct great animals with ice period.

Cites applicability of Forbes’s theory of glacier structure to structure of volcanic obsidian.

CD is falling astern in the geological race for knowledge.

Author:  Charles Robert Darwin
Addressee:  Charles Adolphe Morlot (Adolph von Morlot)
Date:  28 Nov [1844]
Classmark:  Burgerbibliothek Bern, Bern, Switzerland
Letter no:  DCP-LETT-794

From J. D. Hooker   29 November 1844

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Summary

Would like to visit on the weekend of 7–8 December.

Differences in floras of St Helena and Ascension.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  29 Nov 1844
Classmark:  DAR 100: 28
Letter no:  DCP-LETT-795

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 William Benjamin Carpenter   6 December [1844]

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Summary

Asks WBC if he will examine a specimen of calcareous rock.

Author:  Charles Robert Darwin
Addressee:  William Benjamin Carpenter
Date:  6 Dec [1844]
Classmark:  DAR 185: 114
Letter no:  DCP-LETT-797F

From J. D. Hooker   12 December 1844

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Summary

Thanks for pleasant stay at Down.

Remarks on boulders found on southern islands.

Describes the alpine character of the Andes flora and relays information on other mountain floras.

Quotes instances of seeds that retained their vitality after being carried by ocean currents.

Sends notes on the comparative floras of New Zealand, Australia, and west coast of South America.

Encloses a copy of part of a letter from George Gardner in Ceylon concerning the European character of the mountain flora.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  12 Dec 1844
Classmark:  DAR 100: 29–31
Letter no:  DCP-LETT-799

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 William Darwin Fox   20 December [1844]

Summary

Tells of his father’s ill health.

Discusses mesmerism and Harriet Martineau’s recovery. If animals could be put into a stupor, he would be convinced. Suggests WDF have some mesmeriser attempt it with cats.

Author:  Charles Robert Darwin
Addressee:  William Darwin Fox
Date:  20 Dec [1844]
Classmark:  Christ’s College Library, Cambridge (MS 53 Fox 70)
Letter no:  DCP-LETT-801

From W. B. Carpenter   21 December 1844

Summary

Discusses microscopic examination of rock specimens taken from Pampas deposit and from Chilean tuff. Says he finds organic remains only in the tuff.

Author:  William Benjamin Carpenter
Addressee:  Charles Robert Darwin
Date:  21 Dec 1844
Classmark:  DAR 39: 33–5
Letter no:  DCP-LETT-802
Document type
letter (94)
Date
1844
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