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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
[Valediction only.] CD note on verso: Athenaeum/48/p. 839 "E. Forbes on genera being continuous in time––good––fact".
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.
Agrees to pay Mr Mason as requested.
Will forward recommendation of Edward Cresy to Edwin Chadwick, but thinks there will be no further need of engineers.
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.
Is sorry that any person has misunderstood his intentions. JEG read his papers on cirripedes at the Zoological Society without intending to interfere with CD’s work; he merely wished to record his old observations, made before CD commenced his study, and thought that by so doing he was helping CD. [See "Description of a new species of Anatifa" and "On Thaliella", Proc. Zool. Soc. Lond. (1848): 44.]
He can distinguish varieties of guinea-fowl as soon as birds are hatched.
Behaviour of Malay hens.
Concerning the measurements of Balanus specimens with respect to growth.
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.
Gives details of the illness of R. W. Darwin.
Informs CD of the death of their father and the funeral arrangements.