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To J. D. Hooker   3 June [1857]

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"Law" [see 2092] correlating variability and abnormal development not confirmed by JDH for plants.

CD studies struggle for existence in his weed garden.

Scotch fir observed at Moor Park.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  3 June [1857]
Classmark:  DAR 114: 200
Letter no:  DCP-LETT-2101

To J. D. Hooker   5 June [1857]

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Summary

Royal Society medals.

Correlation of variability and abnormal development is G. R. Waterhouse’s law. Relation of this law to polymorphism.

Colouring and marks of ancestral horse deduced from facts observed in pigeons.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  5 June [1857]
Classmark:  DAR 114: 201
Letter no:  DCP-LETT-2102

To J. D. Hooker   25 June [1857]

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Summary

Seedling leaves of gorse look like clover leaves. This is like young lions being striped. Thus, laws of animal embryology apply to plants.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  25 June [1857]
Classmark:  DAR 114: 205
Letter no:  DCP-LETT-2112

To J. D. Hooker   1 July [1857]

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Summary

George Henslow’s curtness to JDH: "an attack of religion".

Embryonic leaves. Adaptive functions and taxonomic significance of cotyledons.

Asa Gray. Separation of sexes in U. S. trees.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  1 July [1857]
Classmark:  DAR 114: 198
Letter no:  DCP-LETT-2116

To J. D. Hooker   5 July [1857]

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Does JDH’s Wahlenbergia confirm CD’s law? Variations of one species assume the character of a distinct but allied species or genus.

Seed-salting: old ones float and germinate.

Owen’s "grand paper" [? J. Proc. Linn. Soc. Lond. (Zool.) 2 (1858): 1–37].

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  5 July [1857]
Classmark:  DAR 114: 203
Letter no:  DCP-LETT-2117

To J. D. Hooker   14 July [1857]

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Summary

Asks to borrow several Floras. Must redo calculations as John Lubbock has shown him an important error.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  14 July [1857]
Classmark:  DAR 114: 204
Letter no:  DCP-LETT-2124

To J. D. Hooker   1 August [1857]

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Summary

Important issue at stake with new flora calculations: evidence that species are only strongly marked varieties. Planning large-scale survey.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  1 Aug [1857]
Classmark:  DAR 114: 206, 207
Letter no:  DCP-LETT-2130

To J. D. Hooker   22 August [1857]

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Summary

Tabulation of varieties goes on; very important as it shows the branching of forms. Mentions his principle of divergence.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  22 Aug [1857]
Classmark:  DAR 114: 208
Letter no:  DCP-LETT-2134

To J. D. Hooker   6 September [1857]

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Summary

Some negative results in variety tabulation survey.

Galls on wild carrot.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  6 Sept [1857]
Classmark:  DAR 114: 209
Letter no:  DCP-LETT-2137

To J. D. Hooker   11 September [1857]

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Summary

Representative species may complicate tabulation of varieties.

Questions for Mr Anderson about horse colouring in Norway.

Has been writing an "audacious little discussion" to show that "organic beings are not perfect, only perfect enough to struggle with their competitors".

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  11 Sept [1857]
Classmark:  DAR 114: 211; DAR 115: 73a
Letter no:  DCP-LETT-2140

To J. D. Hooker   30 September [1857]

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Summary

C. F. Ledebour [Flora rossica (1842–53)] particularly useful for variety tabulation. Results generally favourable.

Additions to Down House.

Last two chapters of MS took six months to write.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  30 Sept [1857]
Classmark:  DAR 114: 210
Letter no:  DCP-LETT-2148

To J. D. Hooker   20 October [1857]

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Summary

Returns some of the systematics books borrowed from JDH. Will now take on A. P. and Alphonse de Candolle [Prodromus].

Arrangements for a visit.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  20 Oct [1857]
Classmark:  DAR 114: 212, 222c
Letter no:  DCP-LETT-2156

To J. D. Hooker   [23 October 1857]

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Summary

Return of books.

JDH coming to Down.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [23 Oct 1857]
Classmark:  DAR 114: 214
Letter no:  DCP-LETT-2157

To J. D. Hooker   14 [November 1857]

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Rule that species vary most in larger genera seems universal.

Response to Gardeners’ Chronicle note on "Bees and kidney beans" [Collected papers 1: 275–7].

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  14 [Nov 1857]
Classmark:  DAR 114: 215
Letter no:  DCP-LETT-2170

To J. D. Hooker   21 November [1857]

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Summary

Mrs J. S. Henslow’s illness.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  21 Nov [1857]
Classmark:  DAR 114: 213
Letter no:  DCP-LETT-2174

To J. D. Hooker   4 December [1857]

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Summary

Inquiries on effect of dry heat on temperate plants for glacial chapter.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  4 Dec [1857]
Classmark:  DAR 114: 216
Letter no:  DCP-LETT-2180

To J. D. Hooker   9 December [1857]

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Summary

Survey of species with well-marked varieties: JDH’s Labiatae case a "great blow", but result is very generally consistent.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  9 Dec [1857]
Classmark:  DAR 114: 217
Letter no:  DCP-LETT-2182

To J. D. Hooker   25 December [1857]

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Summary

Species with marked varieties.

Dana’s pamphlet also too metaphysical for CD.

Natural selection chapter on hybridism completed.

Doubts JDH will resist theory in his introduction to Flora Tasmaniae.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  25 Dec [1857]
Classmark:  DAR 114: 218
Letter no:  DCP-LETT-2194

To J. D. Hooker   [June 1857]

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Request for Floras of Pacific Islands and Greenland.

Individual variation.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [June 1857]
Classmark:  DAR 114: 222b
Letter no:  DCP-LETT-2198

To J. D. Hooker   [after 20 January 1857]

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CD finds Alphonse de Candolle very useful, though JDH has low opinion.

CD argues for accidental introductions explaining some odd distributions, e.g., New Zealand vs Australian plants.

CD’s method.

Diverging affinities in isolated genera.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  [after 20 Jan 1857]
Classmark:  DAR 114: 190
Letter no:  DCP-LETT-2033
Document type
letter (36)
Addressee
Correspondent
Darwin, C. R.[X]
Hooker, J. D.[X]
Date
1857
01 (3)
03 (2)
04 (4)
05 (3)
06 (6)
07 (3)
08 (2)
09 (3)
10 (2)
11 (2)
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