To J. D. Hooker 26 [July 1856]
Summary
Tristan da Cunha flora.
Aquatic plants.
Density and diversity of plants in small plots in Kent, Keeling Islands, and Himalayas.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 26 [July 1856] |
Classmark: | DAR 114: 175 |
Letter no: | DCP-LETT-1945 |
To J. D. Hooker 8 September [1856]
Summary
Whether or not there should be movement of particles according to Tyndall’s theory of glacial action ["Observations on glaciers", Not. Proc. R. Inst. G. B. 2: 54–8, 441–3].
CD subscribes to H. C. Sorby’s view of gneiss [Edinburgh New Philos. J. 55 (1853): 137–50].
Seed-salting.
Pigeons.
Significant differences in skeletons of domesticated rabbits.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 8 Sept [1856] |
Classmark: | DAR 114: 176 |
Letter no: | DCP-LETT-1950 |
To J. D. Hooker 28 September [1856]
Summary
Will send MS on one point of geographical distribution. It is "of infinite importance" that JDH see it, for CD has never felt such difficulty in deciding what to do.
Wants capsules of aquatic plants, to float in sea-water.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 28 Sept [1856] |
Classmark: | DAR 114: 177 |
Letter no: | DCP-LETT-1963 |
To J. D. Hooker [16 October 1856]
Summary
Note accompanying MS of part of chapter 11 ["Geographical distribution"] of Natural selection [1975].
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | [16 Oct 1856] |
Classmark: | DAR 50: E9 |
Letter no: | DCP-LETT-1965 |
From J. D. Hooker [early December 1856]
Author: | Joseph Dalton Hooker |
Addressee: | Charles Robert Darwin |
Date: | [early Dec 1856] |
Classmark: | DAR 100: 149 |
Letter no: | DCP-LETT-1966 |
To J. D. Hooker 5 October [1856]
Summary
Agrees with JDH that Cytisus report [presumably of a large change] not sound. CD pleased because, if true, species would change too quickly.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 5 Oct [1856] |
Classmark: | DAR 114: 178 |
Letter no: | DCP-LETT-1969 |
To J. D. Hooker 9 October [1856]
Summary
CD coming to London.
Read JDH’s review [Hooker’s Kew J. Bot. 8 (1856): 54–64 et seq.] of Alphonse de Candolle’s Géographie botanique raisonnée [1855] long ago.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 9 Oct [1856] |
Classmark: | DAR 114: 180 |
Letter no: | DCP-LETT-1971 |
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 |
From J. D. Hooker 9 November 1856
Summary
JDH approves MS section on geographical distribution.
Never felt so shaky about species before.
His objections to some mechanisms of distribution that CD proposes.
Author: | Joseph Dalton Hooker |
Addressee: | Charles Robert Darwin |
Date: | 9 Nov 1856 |
Classmark: | DAR 100: 105–10 |
Letter no: | DCP-LETT-1983 |
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 |
From J. D. Hooker 22 November 1856
Summary
Continued debate on formation of species as a result of retreat from glaciers.
JDH suggests internal powers of species modification, which he knows CD abhors.
Author: | Joseph Dalton Hooker |
Addressee: | Charles Robert Darwin |
Date: | 22 Nov 1856 |
Classmark: | DAR 100: 111–12 |
Letter no: | DCP-LETT-1995 |
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 |
From J. D. Hooker 7 December 1856
Summary
Has done New Zealand flora calculations. Results support CD’s theory of necessity of crossing. Trees tend to have separate sexes.
Author: | Joseph Dalton Hooker |
Addressee: | Charles Robert Darwin |
Date: | 7 Dec 1856 |
Classmark: | DAR 100: 113–14 |
Letter no: | DCP-LETT-2014 |
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 |
Darwin, C. R. | (30) |
Hooker, J. D. | (9) |
Hooker, J. D. | (30) |
Darwin, C. R. | (9) |
Darwin, C. R. | (39) |
Hooker, J. D. | (39) |