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From J. D. Hooker   19 October 1877

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Summary

JDH has just returned from U. S., where he worked on N. American geographical distribution with Asa Gray.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  19 Oct 1877
Classmark:  DAR 104: 95–6
Letter no:  DCP-LETT-11190

From J. D. Hooker   [c. 20 February 1878]

Summary

Discusses the structure of grass embryos; states differing theories regarding which part of the seed corresponds to the cotyledon.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  [c. 20 Feb 1878]
Classmark:  DAR 209.4: 432
Letter no:  DCP-LETT-11220

From J. D. Hooker   7 November 1877

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Summary

Sent rare cycad seeds for CD’s cotyledon study.

Welwitschia seed germinated at Kew had ordinary cotyledons. JDH thinks mature Welwitschia leaves are original cotyledons.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  7 Nov 1877
Classmark:  DAR 104: 97–8
Letter no:  DCP-LETT-11227

From J. D. Hooker   13 November 1877

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Summary

JDH cannot attend at the bestowal of CD’s honorary doctorate at Cambridge.

O. C. Marsh is rash to suggest all vertebrate types originated in America.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  13 Nov 1877
Classmark:  DAR 104: 99–100
Letter no:  DCP-LETT-11234

From J. D. Hooker   18 January 1878

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Summary

Invites CD to Kew.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  18 Jan 1878
Classmark:  DAR 104: 101–2
Letter no:  DCP-LETT-11323

From J. D. Hooker   14 February 1878

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Summary

Asks opinion of his proposal to Bartholomew Price to translate and publish C. K. Sprengel [Das entdeckte Geheimniss (1793)] and Hermann Müller [Die Befruchtung der Blumen (1873)] in one volume.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  14 Feb 1878
Classmark:  DAR 104: 113
Letter no:  DCP-LETT-11356

From J. D. Hooker   2 March 1878

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Summary

Supports Torbitt. Keenly aware of danger of growing crops from a single variety. Torbitt’s paper to Belfast BAAS meeting ["On the potato-disease", Rep. BAAS 44 (1874): 134] was sat upon.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  2 Mar 1878
Classmark:  DAR 104: 103–4
Letter no:  DCP-LETT-11391

From J. D. Hooker   12 March 1878

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Summary

Has written to Farrer in support of Torbitt’s grant.

Resistance of Liberian coffee to "fly" and susceptibility to fungus.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  12 Mar 1878
Classmark:  DAR 104: 105–6
Letter no:  DCP-LETT-11417

From J. D. Hooker   18 March 1878

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Summary

Has been consulting with Mrs Lyell about the possibility of publishing Lyell’s letters. Asks CD’s opinion on the matter.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  18 Mar 1878
Classmark:  DAR 104: 107–8
Letter no:  DCP-LETT-11431

From J. D. Hooker   9 June 1878

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JDH’s scheme for lowering F.R.S. fees by creating a fund through membership subscription.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  9 June 1878
Classmark:  DAR 104: 109–10
Letter no:  DCP-LETT-11547

From J. D. Hooker   20 February – 16 [March] 1848

Summary

Though correspondence has never ebbed so low, CD is constantly in his thoughts.

Observations on cheetahs used as domesticated hunting animals.

Finds geographical barriers sometimes separate species, but also finds species that remain separate where there are no barriers to migration.

Colour "individuates" isolated animal species.

Plains and alpine animal distribution show altitude not strictly analogous to latitude.

Impact of timber cutting on climate has led to extinction of crocodiles.

Will discuss coal formation in letter to Edward Forbes.

CD often asked whether isolated mountains in southern latitudes had closely allied representatives of Arctic and north temperate plants; JDH has found a representative barberry.

Making for Darjeeling via Calcutta.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  20 Feb – 16 [Mar] 1848
Classmark:  Royal Botanic Gardens, Kew (India letters 1847–51: 52–4 JDH/1/10)
Letter no:  DCP-LETT-1158

From J. D. Hooker   2 July 1878

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Summary

JDH details the subscription fund’s finances.

Has finished lecture for Royal Society on N. American plant distribution.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  2 July 1878
Classmark:  DAR 104: 111–12
Letter no:  DCP-LETT-11583

From J. D. Hooker   31 July 1878

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Burdened with Anniversary Address to the Royal Society.

Quips that even Huxley is running out of speeches.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  31 July 1878
Classmark:  DAR 104: 114
Letter no:  DCP-LETT-11636

From J. D. Hooker   4 October 1878

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Summary

Frank asked to summarise work with CD for use in JDH’s Royal Society address.

Work with A. Gray shows Colorado plants closer to Altai than to E. or W. America.

Work with J. Ball shows Moroccan plants very distinct from nearby Canaries.

JDH on Royal Commission to Paris Exhibition.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  4 Oct 1878
Classmark:  DAR 104: 115–17
Letter no:  DCP-LETT-11714

From J. D. Hooker   7 October 1878

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Botanical evidence is against F. B. White’s origin of St Helena fauna. JDH holds flora is S. African. Since plants must arrive before insects, if fauna is Palearctic then flora survived glacial period. Flora not Miocene since old and relic orders are absent. Suggests S. African west coastal mountains as insects’ origin.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  7 Oct 1878
Classmark:  DAR 104: 118–20
Letter no:  DCP-LETT-11718

From J. D. Hooker   14 December 1878

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Summary

Congratulates CD on the Anthony Rich bequest.

Sad but relieved to retire as President of the Royal Society.

Describes battle with Treasury over use of an empty house at Kew.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  14 Dec 1878
Classmark:  DAR 104: 121–4
Letter no:  DCP-LETT-11795

From J. D. Hooker   24 July [1848]

Summary

Brian Hodgson reading CD’s Journal of researches with delight.

Forwarding breeding pamphlets.

JDH recommends P. S. Pallas on degeneration.

CD’s facts on sex in barnacles startling.

Hugh Falconer’s health.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  24 July [1848]
Classmark:  Royal Botanic Gardens, Kew (India letters 1847–51: 94 JDH/1/10)
Letter no:  DCP-LETT-1193

From J. D. Hooker   13 March 1879

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Urges Frank to reconsider his refusal of Cambridge Examinership.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  13 Mar 1879
Classmark:  DAR 104: 125–7
Letter no:  DCP-LETT-11938

From J. D. Hooker   13 October 1848

Summary

Hugh Falconer’s misbehaviour.

Waiting out rains at Brian Hodgson’s.

Will make botanical transverse section of Himalayas from plains to snow.

Arrangements to pass Sikkim Rajah’s territory.

No evidence of glacial or diluvial action in sub-Himalayan mountains. No evidence of detrital coal formation.

Hodgson’s replies to CD on introduced species and hybrids.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  13 Oct 1848
Classmark:  Royal Botanic Gardens, Kew (India letters 1847–51: 112–14 JDH/1/10)
Letter no:  DCP-LETT-1203

From J. D. Hooker   26 July 1879

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JDH criticises John Ball’s theory of origin of higher plants in Carboniferous highlands, where low carbon dioxide levels permitted survival.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  26 July 1879
Classmark:  DAR 104: 128–30
Letter no:  DCP-LETT-12173
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