Summary

Alphonse de Candolle’s Géographie botanique [raisonnée (1855)] strikes him as a wonderful, admirable work.

Summary

Replies to note from CL asking about views of glaciers.

Summary

Comments especially on the "intermediate shelf" problem of Glen Roy; views of Jamieson and Milne. CD "cannot help a sneaking hope that the sea might have formed the horizontal shelves".

Summary

Sends thanks to all for their letters.

News of dining and theatre at Edinburgh.

CD will learn to stuff birds from "a blackamoor".

Summary

Discusses proposed survey of Glen Roy. Mentions Glen Roy theories of Agassiz and William Buckland. Includes a memorandum calling for a careful survey of the parallel roads of Glen Roy. Mentions M. A. Bravais ["On the lines of ancient level of the sea in Finmark", Q. J. Geol. Soc. Lond. 1 (1845): 534].

Summary

Comments on MTM’s article ["On the existence of two forms of peloria", Nat. Hist. Rev. n.s. 3 (1863): 258–62]. Cites interesting case of peloric flower.

Summary

Comments on paper by DM ["On the parallel roads of Lochaber", (1847) Trans. R. Soc. Edinburgh 16 (1849): 395–418]. "I am not in the least convinced about the Barriers … [but] I am very much staggered in favour of the ice-lake theory of Agassiz & [William] Buckland." Will "send a letter to the Scotsman, in which I give briefly my present impression".

Cites facts mentioned in South America possibly of use to DM.

Summary

Sends specimens of a Tertiary sandstone from Tierra del Fuego in which there are leaves; CD thought they were beech. What is JDH’s opinion?

Asks whether JDH can make sense of a note on silicified wood.

Has read Vestiges [of creation (1844)]; "his geology strikes me as bad, & his zoology far worse".

Would like to see lists [of plants] from Society and Sandwich Islands.

Doubts JDH’s information regarding imagination of mother affecting offspring.

Summary

Encourages DO to publish his paper and put his name to it. [Paper apparently not published.] Concurs with his views on primordial nature of hermaphroditism.

Summary

Sends a number of questions (to put to his father), mainly concerned with transmission of diseases, between Europeans and natives, "people packed together", etc.

Is investigating how to get Government support [for Zoology].

Summary

Discusses the power of land covered with snow to radiate heat.

Criticises CL’s discussion of slavery [in Travels in North America (1845)]. A review of CL’s book is in Gardeners’ Chronicle.

Mentions John Lindley’s views on carbonic acid gas and extinction;

refers to the discussion of multiple and single creations in Humboldt’s Kosmos.

The origin of volcanic craters of elevation.

There is a popular demand for a new edition of Principles.

Praises palaeobotanical work of C. J. F. Bunbury.

Summary

Was joined by Colonel Burgh Leighton when walking in the quarry. Plans to make caves next summer to store "warlike instruments" and "relicks". Sketches a design for a signalling device. May go with his father to visit the Earl of Powys at Walcot; visited Mrs and Miss Reynolds and William Pemberton Cludde.

Summary

Thanks for agreeing to propose Frank as F.R.S.

Would have enjoyed discussing Island life.

Summary

Erasmus Alvey Darwin is good tempered and their sisters have "not abused at all". Hopes the recipient will help "in looking out and washing the fossils out of the plate closet".

Summary

Asks AG to confirm whether Ipomoea leptophylla "makes a great tuber as big as a mangel-wurzel".

Petioles of Cotyledons behave partly like those of Megarrhiza.

Summary

In the past six months he has done much geology and natural history. His geological pursuits are a source of high pleasure. Has lately determined to work chiefly on corals.

Spent three weeks going up the Santa Cruz with a party; they ran out of provisions 20 miles from the Cordilleras. Winter at present prevents his doing much natural history.

Summary

Discusses David Milne’s Glen Roy paper ["On the parallel roads of Lochaber", Trans. R. Soc. Edinburgh 16 (1849): 395–418]. Rejects Milne’s theory that outlet of Glen Roy is blocked by detritus. Impressed by Milne’s discovery of an outlet at the level of the second shelf. Believes this strengthens theory that lakes were formed by glacier blocking Glen Roy. Offers arguments against glacier theory.

Summary

CD is glad LJ is describing the fishes [for Zoology]; would not have permitted J. E. Gray to describe them. New species will be lithographed.

Suggests books; offers coloured drawings made by artist on Beagle voyage.

Summary

Hopes to get Asa Gray’s review of Origin republished.

Argues for single origin of mammals.

Encloses two phylogenetic diagrams indicating possible descent of mammals.

Comments on rodents, marsupials, and dingo in Australia,

and on a paper on the survival of stumps as a result of root grafting.

Argues that man had a single progenitor and consists of a single species.

Comments on destruction of non-white races.

Discusses introduction of rodents to islands by man.

Summary

Asks for volumes of F. W. Beechey’s work [Narrative of a voyage to the Pacific and Bering Strait (1831)] and Nautical magazine and an order on [John] Arrowsmith for atlas of Dumont d’Urville’s Voyage in the "Astrolabe".