Summary

Describes Patagonia and its inhabitants.

Writes of his pleasure in geology.

Predicts that Falklands will become an "important halting place". Outlines Beagle’s future itinerary.

Summary

Comments on AG’s memoir on Japanese plants [see 2599]; relationship of Japanese flora to N. American.

Summary

Orders five works on the Sandwich Islands from the Royal Geographical Society Library for his investigation of infanticide and population trends there.

Summary

Criticises at length the concept of submerged continents attaching islands to the mainland in the recent period. Notes drastic alteration of geography required, the dissimilar species on opposite shores of continents, and differences between volcanic islands and mountains of mainland areas. Admits sea-bed subsidence, but not enough to engulf continents. Denies that theory can explain island flora and fauna.

Considers Edward Forbes’s idea a check on study of dissemination of species.

Summary

Is sure mathematical discussion of elevation of continents will be valued by geologists.

Summary

Returns proofs of J. O. French’s article ["Account of the province of La Rioja: S. America", J. R. Geogr. Soc. 9 (1839): 381–406].

Gratified by Humboldt’s praise of Journal of researches [J. R. Geogr. Soc. 9 (1839): 502].

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

Regrets he has no notes on periods when albatrosses were abundant off Cape Horn.

Summary

CD regrets inconvenience caused by his having Royal Geographical Society’s copy of Krusenstern’s Atlas [de l’océan Pacifique (1824–7)]. Locates Sulphur Island from it.

Summary

Seeks information on the number of Pitcairn islanders and the effect on their fertility of the transfer to Norfolk Island.

Summary

Approves specimen sheet [of Origin]. Sorry book will be so long. Has now written half of last chapter; it is as long as his estimate of the entire chapter. Now thinks it will run to 6000 or 7000 words. Will do his utmost to improve his style. Anxious to publish soon; he knows of two men already writing on the subject, starting from his Linnean Society paper ["On the tendency of species to form varieties", Collected papers 2: 3–19]. Will send a diagram for the book.

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

Discusses J. D. Dana’s Geology [1849]. Pleased that the part on corals confirms his views [Coral reefs (1842)]. Discusses Dana’s observation that in Sandwich Islands lava streams often join dikes at right angles with no cone. Retracts earlier denial of this possibility. Criticises Dana’s view of Australian valleys.

Summary

Sends a moth from Queensland, Australia. The sender says a large number have been caught with proboscises embedded in oranges. CD interested as having a bearing on his Orchis work. Can AGB name the family and any closely allied English genus? The proboscis seems an extraordinary structure [see F. Darwin, "On the structure of the proboscis of Ophideres fullonica", Q. J. Microsc. Sci. n.s. 15 (1875): 384–9].

Summary

Urges JSH to describe Galapagos species in a paper on the flora of the islands.

Has been interested in geographical distribution and would be interested to have a paper by JSH on the general character of flora of Tierra del Fuego and Patagonia.

"I keep on steadily collecting every sort of fact which may throw light on the origin & variation of species."

Summary

Sends copy of Origin for comments.

Does not feel AG’s views of migration after the last glaciation explain distribution in U. S. as well as CD’s view of migration prior to glaciation.

Summary

CD has written to Asa Gray criticising J. D. Dana’s arguments for a warm period subsequent to glacial period.

Remembers it is Alphonse de Candolle who states that many species are not true species.

Did Huxley write the excellent review in the Times?

Summary

Galapagos land birds and reptiles.

No two naturalists agree on any fundamental idea [of species]. "Everything is arbitrary."

Has been with Richard Owen going over the S. American fossils.

Has worked out the non-relation between animals’ bulk and luxuriance of vegetation.

The horse once common on the Pampas. The mystery of the extinction of these animals.

Summary

Thanks ACR for papers.

Glad present situation of our continents has been confirmed.

Wishes ACR would prove his view of origin of Red Sandstones, which many dispute.

Summary

Thanks for articles about moths sucking oranges.