Summary

Encloses letter from Adam Sedgwick [2548].

Mentions conversion of A. C. Ramsay.

Summary

Comments on letter from Jeffries Wyman.

Discusses reprinting reviews by Asa Gray.

Mentions views of W. S. Symonds on the geological record.

Discusses descent of turtles and tortoises.

The universality of variation.

Notes only a few species leave modified descendants.

Discusses Apteryx.

Variation among pigeons.

Comments on fertility among hybrids.

Does not agree that he makes natural selection do too much work.

Summary

Comments on CL’s letters.

Discusses foreign animals naturalised in Australia and elsewhere.

Affirms man’s capacity to survive in Eocene climate.

Comments on American types.

Denies necessity for "continued intervention of creative power".

Summary

Discusses S. S. Haldeman’s paper ["Enumeration of the recent freshwater Mollusca", Boston J. Nat. Hist. 4 (1844): 468–84].

Centres of species origin.

Describes his corrections of Origin.

Summary

Suggests references in Journal of researches 2d ed. in response to a query about the antiquity of man. Perplexed about S. S. Haldeman and Haldeman 1843–4. Glad to hear about A. C. Ramsay. Has received letter from H. G. Bronn.

Summary

Comments on Hooker’s introductory essay [in Flora Tasmaniae].

Cites C. V. Naudin’s article ["Considérations philosophiques sur l’espèce et la variété", Rev. Hortic. 4th ser. 1 (1852): 102–9].

Mentions letter from William Jardine criticising discussion of the Galapagos in the Origin.

Summary

Encloses letter concerning Edward Blyth’s application for a position with the China expedition.

Mentions reviews of the Origin. Guesses that Huxley wrote the Times review.

Alludes to discussion of relations between fossil and modern types [in Principles of geology 3: 144].

Discusses destruction of tropical forms in the glacial period.

Mentions letter from Dana concerning Dana’s illness.

Summary

Discusses extinction of ammonites.

Discusses August Krohn’s cirripede research and Krohn’s correction of his own work.

Discusses origin of dog in connection with origin of man.

Comments on the guinea-pig in South America.

Notes K. E. von Baer’s view of species.

Mentions difficulty of crossing rabbit and hare.

Agrees with Hooker’s views on variation under cultivation and in nature.

Regrets use of term "natural selection", would now use "Natural Preservation".

Summary

Admires Edward Forbes’s theory of continental extensions, but it will discourage investigation of distribution.

Mentions Oswald Heer’s proposed map of Atlantis.

Discusses extinction of plants caused by the glacial era. Migration of plants and animals during glacial period.

Encourages CL’s work [on Antiquity of man (1863)].

Comments on unfriendly reviews. Asks CL’s opinion about including a reply to reviewers in next edition of Origin.

Summary

Review of Origin in Gardeners’ Chronicle [31 Dec 1859].

Criticises views of J. G. Jeffreys on non-migration of shells. Cites case of Galapagos shells.

Mentions Edward Forbes’s theory of submerged continental extensions. Cites Hooker’s [introductory] essay [in Flora Tasmaniae (1860)] for evidence against any recent connection between Australia and New Zealand.

Discusses Huxley’s views of hybrid sterility.

Questions whether Étienne Geoffroy Saint-Hilaire believed in species change. Mentions views of Isidore Geoffroy Saint-Hilaire.

The distribution of cave insects.

CD’s study of man.

The problems of locating French and German translators.

Huxley’s criticism of Owen’s views on human classification.

The sale of Origin.