Encloses a letter from FitzRoy to the Times.

Mentions letter from W. B. Carpenter accepting single progenitor for major animal classes.

Speculates about Richard Owen’s opinion.

Discuss CL’s suggestions for revisions to the chapter on the geological record [Origin, ch. 9].

Henry Holland’s reaction to the book.

Comments on CL’s work on flint tools of early men.

Describes at length a conversation with Owen concerning Origin. Notes "that at bottom he goes immense way with us", but emphasises Owen’s unfriendly manner. Remarks that Owen accepted a relationship between bears and whales. "By Jove I believe he thinks a sort of Bear was the grandpapa of Whales!"

Has heard Herschel considered his book "the law of higgledy-piggledy".

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.

Mentions William Clift ["Report in regard to the fossil bones found in New Holland", Edinburgh New Philos. J. 10 (1830–1): 394–6].

Discusses relations between fossil and living types.

Discusses Hooker’s introductory essay [in Flora Tasmaniae]. Criticises Hooker’s views on flora of rising and sinking islands.

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.

Praises CL’s work on human species.

A critical review of Origin in Saturday Review [24 Dec 1859].

A letter from J. G. Jeffreys criticises CD’s geological statements.

A note from William Whewell concerning Origin.

Comments on corrections [in Origin, 2d ed. (1860)], especially on use of Wallace’s name.

Discusses human evolution with respect to CL’s work. Cites expression as a source of evidence.

Andrew Murray’s criticisms of the Origin involving blind insects in caves [Edinburgh New Philos. J. n.s. 11 (1860): 141–51].

Humorously describes human ancestors.

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.

Encloses letters from H. G. Bronn, Asa Gray, and C. J. F. Bunbury, concerning the Origin.

Will send review by Gray and a notice by Bronn.

Says Bronn will superintend the German translation.

Comments on lecture by Huxley [at Royal Institution, 10 Feb 1860, Not. Proc. R. Inst. G. B. 3 (1858–62): 195–200]. Has remonstrated with him for saying sterility is "a universal and infallible criterion of species".

Auguste Bravard’s discoveries magnificent.

Bravard has sent pamphlets [Observaciones geológicas (1857) and Monografia de los terrenos marinos terciarios (1858)] with strange doctrine that Pampean deposit is subaerial.

Review of Origin by Wollaston [Ann. & Mag. Nat. Hist. 3d ser. 5 (1860): 132–43] clever and misinterprets CD only in a few places.

Wallace’s MS ["Zoological geography of the Malay Archipelago", J. Proc. Linn. Soc. Lond. (Zool.) 4 (1860): 172–84] admirably good.

Henslow "will go very little way with us". "He, also, shudders at the eye!"

Baden Powell says CD’s statement about eye is conclusive.

Leonard Jenyns cannot go as far as CD, yet cannot give good reason.

Encloses reviews by Asa Gray and Bronn. Comments on Bronn review. Mentions review by Wollaston.

Comments on paper by W. H. Harvey in Gardeners’ Chronicle [(1860): 145–6]. Discusses Harvey’s belief in the permanence of monsters.

Discusses CL’s objection that still-living primitive forms failed to develop.

The survival of Lepidosiren and other primitive types of fish and mammals.

Gradation in the eye.

Hooker intends to reply [to W. H. Harvey’s article in Gard. Chron. (1860): 145–6].

Discusses Aspicarpa with respect to correlation.

Comments on monstrous animals.

Discusses objections of Bronn and Asa Gray to natural selection. Cites parallel between natural selection and Newton’s concept of gravitation.

Mentions German experiments on spontaneous generation.

Comments on CL’s reaction to the Origin. Mentions reactions of other scientists.

Discusses fertility of Aspicarpa.

Criticises Herbert Spencer’s views on population.

Discusses the intellectual development of the ancient Greeks as an objection to evolution and gives his reply.

Discusses letter of recommendation for Edward Blyth.

Sedgwick’s review of the Origin in the Spectator [24 Mar 1860].

Mentions breaks between geological formations.

W. B. Carpenter’s review of Origin [in Br. & Foreign Med.-Chir. Rev. 25 (1860): 367–404] "very good and well balanced, but not brilliant".

"There is a brilliant review by Huxley" [Westminster Rev. 17 (1860): 541–70].

Asa Gray sends good case of selection producing black pigs in Virginia.

Great blow to CD that CL cannot admit potency of natural selection.

Owen’s review in Edinburgh Review [111 (1860): 487–532] "extremely malignant, clever".

Patrick Matthew has published extract in Gardeners’ Chronicle [7 Apr 1860] from his Naval timber and arboriculture [1831], a complete but not developed anticipation of natural selection.

Has resolved not to correct Owen’s misrepresentations in his review of Origin.

Discusses at length the theological implications of natural selection.

Thanks CL for loan of paper by J. S. Newberry ["Notes on the ancient vegetation of N. America", Am. J. Sci. 2d ser. 29 (1860): 208–18].

Mentions reviews of the Origin.

Discusses evolution of the domestic dog, especially with respect to the views of Owen, Pallas, and Isidore Geoffroy Saint-Hilaire.

Mentions W. B. Carpenter’s views on taxonomy.

Discusses hybridisation of plants and animals.

Comments on progress in human evolution.

Is sending CL an arrow-head. Says John Lubbock tells of vast numbers of flint tools in peat in France. Urges CL to conduct further research on the subject.

Comments on paper by J. S. Newberry concerning palaeozoic deposits in America [Am. J. Sci. 2d ser. 29 (1860): 208–18]

and on A. von Keyserling’s view of species change.

Mentions J. W. Salter’s chart arranging Spirifer.

Comments on Andrew Murray’s paper on the Origin ["On Mr Darwin’s theory of the origin of species", Proc. R. Soc. Edinburgh 4 (1860): 274–91].

A Manchester newspaper article says CD has proved "might is right".

Did not know about separation between Silurian and Cambrian.

Cannot attend Geological Society meeting.

Etty [Henrietta Darwin] ill.

Sedgwick in his attack at Cambridge Philosophical Society states "there must be [on CD’s theory] large genera not varying".

Discusses migration of plants and animals from Old World to New.

Views of Asa Gray on Aster.

Mentions flora of coal period.

Has been elected to Philadelphia Academy of Natural Sciences.