To J. D. Hooker [early December 1856]
Summary
Sends JDH part of MS for chapter 3 of Natural selection ["Possibility of all organic beings crossing"] to be corrected and returned.
JDH’s report of Podostemon flowering cleistogamously under water in Bengal.
[Copious revision by JDH.]
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | [early Dec 1856] |
Classmark: | DAR 205.5: 213 |
Letter no: | DCP-LETT-1974 |
To J. D. Hooker [19 October 1856]
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | [19 Oct 1856] |
Classmark: | DAR 114: 179 |
Letter no: | DCP-LETT-1977 |
To J. D. Hooker 11–12 November [1856]
Summary
CD relieved by JDH’s positive response to his MS.
CD continues observations on means of transport.
JDH’s Raoul Island paper [J. Linn. Soc. Lond. (Bot.) 22 (1857): 133–41], showing continuity of vegetation with New Zealand, best evidence yet of continental extension.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 11–12 Nov [1856] |
Classmark: | DAR 114: 181 |
Letter no: | DCP-LETT-1986 |
To J. D. Hooker 15 November [1856]
Summary
CD finds JDH’s objections to a mundane cold period significant, and he endeavours to show how they do not rule out mutability.
He is writing on crossing.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 15 Nov [1856] |
Classmark: | DAR 114: 182 |
Letter no: | DCP-LETT-1989 |
To J. D. Hooker 18 November [1856]
Summary
CD encloses letter from Asa Gray, although it is critical of JDH.
Role of struggle in forming species in retreat from advancing glaciers.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 18 Nov [1856] |
Classmark: | DAR 114: 183 |
Letter no: | DCP-LETT-1991 |
To J. D. Hooker 23 November [1856]
Summary
CD, attempting to clarify debate, states more of his position. External conditions cause "mere variability". Formation of species due to selection. Relation of an organism to its associates far more important than external conditions.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 23 Nov [1856] |
Classmark: | DAR 114: 184 |
Letter no: | DCP-LETT-1997 |
To J. D. Hooker 1 December [1856]
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 1 Dec [1856] |
Classmark: | DAR 114: 185 |
Letter no: | DCP-LETT-2008 |
To J. D. Hooker 10 December [1856]
Summary
CD is convinced of relation between separation of sexes and tree-habit.
Recent hard blows against crossing theory.
CD long tormented by land molluscs on oceanic islands; found transport possible experimentally.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 10 Dec [1856] |
Classmark: | DAR 114: 186 |
Letter no: | DCP-LETT-2018 |
To J. D. Hooker 24 December [1856]
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 24 Dec [1856] |
Classmark: | DAR 114: 187 |
Letter no: | DCP-LETT-2022 |
To J. D. Hooker [after 20 January 1857]
Summary
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 |
To J. D. Hooker 17 January [1857]
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 17 Jan [1857] |
Classmark: | DAR 114: 188 |
Letter no: | DCP-LETT-2040 |
To J. D. Hooker 20 January [1857]
Summary
CD will advise Daniell not to apply for Royal Society grant.
CD’s experiment: fish fed seeds, which germinated when voided.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 20 Jan [1857] |
Classmark: | DAR 114: 189 |
Letter no: | DCP-LETT-2042 |
To J. D. Hooker 15 March [1857]
Summary
Separation of sexes in trees [U. S.].
Do plants offer positive evidence for "continuous land" theory?
Protean genera.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 15 Mar [1857] |
Classmark: | DAR 114: 193 |
Letter no: | DCP-LETT-2066 |
To J. D. Hooker [21 March 1857]
Summary
Ranges of species in large vs small genera: Asa Gray’s compilation fits CD’s expectation.
CD studies seedling mortality in his weed garden.
JDH’s work on Indian flora.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | [21 Mar 1857] |
Classmark: | DAR 114: 192a |
Letter no: | DCP-LETT-2067 |
To J. D. Hooker 8 April [1857]
Summary
Independence of variation from climate shown by several plant genera; CD asks for confirmation.
Progressing with book [Natural selection].
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 8 Apr [1857] |
Classmark: | DAR 114: 191 |
Letter no: | DCP-LETT-2073 |
To J. D. Hooker 12 April [1857]
Summary
Thanks JDH for response on variation. Studying variations that seem correlated with environment, e.g., north vs south, ascending mountains.
CD’s weed garden: observations on slugs killing seedlings.
Seed-salting. One-seventh of the plants of any country could be transported 924 miles by sea and would germinate.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 12 Apr [1857] |
Classmark: | DAR 114: 192 |
Letter no: | DCP-LETT-2075 |
To J. D. Hooker [29 April 1857]
Summary
Curative power of hydropathy.
General hairiness of alpine plants questioned: direct environmental effect.
CD has long felt JDH is too hard on bad observers.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | [29 Apr 1857] |
Classmark: | DAR 114: 194 |
Letter no: | DCP-LETT-2084 |
To J. D. Hooker [2 May 1857]
Summary
JDH has shaved the hair off the alpine plant.
CD apologises for his criticism.
Apparent but false relations of plant structure to climate: heath-like foliage of all Cape of Good Hope plants.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | [2 May 1857] |
Classmark: | DAR 114: 195 |
Letter no: | DCP-LETT-2087 |
To J. D. Hooker [3 May 1857]
Summary
JDH’s last letter demolishes woolly alpine plant theory.
Correlation of apetalous flowers and cold climate.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | [3 May 1857] |
Classmark: | DAR 114: 196 |
Letter no: | DCP-LETT-2088 |
To J. D. Hooker 16 [May 1857]
Summary
Asks JDH’s opinion, and botanical evidence, on important law: parts that are highly developed in comparison to other allied species are very variable.
Interest in hairiness of alpine plants revived by reading A. Moquin-Tandon [Éléments de tératologie végétale (1841)]; correlation with dryness. CD seeks interpretation independent of direct environmental effect.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 16 [May 1857] |
Classmark: | DAR 114: 197 |
Letter no: | DCP-LETT-2092 |
letter | (1379) |
Darwin, C. R. | (859) |
Hooker, J. D. | (520) |
Darwin, Emma | (1) |
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Hooker, J. D. | (859) |
Darwin, C. R. | (520) |
Darwin, C. R. | |
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