Summary

Discusses possible land transactions.

Summary

Reports on the effect of potato blight in his crop.

Summary

Comments on Ann Susan Horner’s escape in a dangerous incident at sea.

Compares addresses by William Buckland and CL, delivered at recent meeting of the Geological Society.

Discusses the views on Glen Roy in Chambers’ Ancient sea-margins [1848].

Speculates that Chambers wrote Vestiges [of creation (1844)].

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.

Summary

Sir John Herschel has not received the parcel of "Scientific Instructions", which was posted on the 15th. He requests an accurate search at the Admiralty.

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.

Summary

Obliged for account of change in quality of wool. "Some authors will not admit that climate has any perceptible action."

Hopes his health is re-established.

Summary

Is pleased to support SPW’s application for a position in the fossil department at the British Museum.

Summary

Agrees that naval expeditions to the Arctic are a waste of money. Believes Sir J. Barrow responsible. "Dr [Richard?] King is quite right in the advantage of Land Expeditions".

Summary

Thanks WCW for his article ["Microscopical objects found in mud of Levant", Mem. Lit. & Philos. Soc. Manchester 2d ser. 8 (1848):1–128]. Comments on it; offers to send Ascension Island specimens. Urges WCW to re-examine coal-beds for Infusoria to determine whether intervening beds were deposited by sea-, brackish, or fresh water.