Summary

On checks to increase of species and the observations which led him to regard species as mutable in form. Would welcome "at some future time" LJ’s criticism of the "sketch" of his conclusions.

Summary

Mentions his Plutonic view of earth history.

Cites Lyell’s opinions on loess.

CD doubts contemporaneousness of extinct great animals with ice period.

Cites applicability of Forbes’s theory of glacier structure to structure of volcanic obsidian.

CD is falling astern in the geological race for knowledge.

Summary

Would like to visit on the weekend of 7–8 December.

Differences in floras of St Helena and Ascension.

Summary

Instructions for JDH’s trip to Down.

Summary

Change in train times.

Summary

Asks WBC if he will examine a specimen of calcareous rock.

Summary

[Notes on conversations with J. D. Hooker.] Geographical distribution; diffusion and distribution of species. Island and mountain floras; means of migration (high-roads, icebergs).

Summary

Thanks for pleasant stay at Down.

Remarks on boulders found on southern islands.

Describes the alpine character of the Andes flora and relays information on other mountain floras.

Quotes instances of seeds that retained their vitality after being carried by ocean currents.

Sends notes on the comparative floras of New Zealand, Australia, and west coast of South America.

Encloses a copy of part of a letter from George Gardner in Ceylon concerning the European character of the mountain flora.

Summary

Thanks for botanico-geographical remarks. CD greatly appreciates JDH’s valuable generalisations.

Summary

Tells of his father’s ill health.

Discusses mesmerism and Harriet Martineau’s recovery. If animals could be put into a stupor, he would be convinced. Suggests WDF have some mesmeriser attempt it with cats.

Summary

Discusses microscopic examination of rock specimens taken from Pampas deposit and from Chilean tuff. Says he finds organic remains only in the tuff.

Summary

Questions on JDH’s sketch comparing floras of Australia, New Zealand, and western S. America; wishes to know botanical relations between other southern islands. Botanico-geographical discussions and comments on books sent by JDH.

Summary

Is obliged for the account of the structure of the Pampas specimen and its difference from specimens of the modern calcareous bed of Coquimbo in Chile. If he thinks that J. S. Bowerbank can make out the nature of the specimens, they should be shown to him.

Summary

Thanks for CD’s comments on "sketch".

Lengthy discussion of geographical distribution and island floras.

Has been "delighted with" [Robert Chambers’] Vestiges [of creation (1844)].

Galapagos flora work goes on well.

Summary

Sends thanks for money.

Comments on treatment prescribed by his father.

Encloses notes by John Higgins with investment advice. Discusses advisability of investing in farmland in Lincolnshire. Cites advice of Sir John Lubbock concerning purchase of land.