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 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 |
Matches: 3 hits
- … From J. D. Hooker 13 October 1848 …
- … J. D. Hooker 1854 , 1: 198). Major Charles Thoresby ( East-India register and army list, for 1848 ). …
- … 1848 , p. lxviii. Hooker was at first refused permission to enter Sikkim. He decided instead to explore the two easternmost passes between Nepal and Tibet which would also bring him near to the mountain Kinchinjunga. The expedition is described in J. D. …
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 |
Matches: 4 hits
- … From J. D. Hooker 20 February – 16 [March] 1848 …
- … J. D. Hooker 1854 , 1: 2). Hooker had previously examined fossil plants from Indian coal-beds sent by Williams to the Geological Survey in 1847 (see De la Beche 1848 , …
- … Hooker’s expedition to India, see letter from J. D. Hooker, [6 or 13 October 1847] , n. 1. Thomas Thomson , a commissioner for defining the boundary between Kashmir and Chinese Tibet. For an account of Thomson’s travels in 1847 and 1848, …
- … Hooker’s dates indicates that this paragraph was written before the final section mistakenly dated 16 February instead of 16 March, see n. 24, below. A mistake for 16 March 1848. Hooker arrived at Mirzapore on 8 March, leaving there on 15 March on a steamer for Benares, where he arrived on 16 March ( J. D. …
From Edmund Saul Dixon [September–October 1848]
Summary
He can distinguish varieties of guinea-fowl as soon as birds are hatched.
Behaviour of Malay hens.
| Author: | Edmund Saul (Eugene Sebastian Delamer) Dixon |
| Addressee: | Charles Robert Darwin |
| Date: | [Sept–Oct 1848] |
| Classmark: | DAR 205.5: 214 |
| Letter no: | DCP-LETT-1621 |
| letter | (4) |
| Hooker, J. D. | (3) |
| Dixon, E. S. | (1) |
| Darwin, C. R. | (4) |
| Hooker, J. D. | (3) |
| Dixon, E. S. | (1) |
