Although their language is different, the Bugis are typical Malays both physically and mentally.

Recommends [W. M. Williams] The fuel of the sun [1870] as remarkably illuminating about physical astronomy. Williams solves the problem of duration of sun’s heat in "a most satisfactory manner".

Chauncey Wright’s article is sound, but so obscure ARW doubts utility of printing it separately.

Gives his own detailed analysis of Mivart’s attack.

Sorry CD allows criticisms of Darwinism to worry him.

Sends notes on Fritz Müller’s letter.

Response to 6th ed. of Origin. CD’s answer to Mivart on initial stages of modifications is complete; the "eye and ear objection" is not handled so satisfactorily.

Has sent CD’s letter to Nature [see 8448].

Expresses admiration for H. C. Bastian’s The beginnings of life [1872] and comments on its bearing upon Origin.

Further reflections upon Bastian’s book [The beginnings of life (1872)].

ARW’s prospects for Directorship at Bethnal Green Museum.

Appreciation [of Expression]. ARW will review it in Quarterly Journal of Science [n.s. 3 (1873): 113–18].

Is not surprised CD dissents from his criticisms [of Expression?]. Holds to his own interpretation of the expression of astonishment.

Discussion of his possible assistance on editorial work for revised edition of Descent.

Thinks CD’s son George would be more satisfactory than ARW for the work on Descent.

Thanks for new edition of Descent.

His work on geographical distribution; drudgery and the often unsatisfactory nature of the result.

Response to Insectivorous plants. Surprised that CD did not discuss origin of the contrivances. Critics will interpret them as inexplicable by theory of natural selection.

Thanks for Climbing plants [2d ed.].

Is reading proofs [of Geographical distribution (1876)].

Comments on CD’s criticism of Geographical distribution.

Plans to sell his house.

Responds to CD’s comments and criticism of Geographical distribution.

Responds to CD’s new work [Cross and self-fertilisation]. Suggests results might have been more convincing if CD had measured weights instead of heights. The fact that infertile hybrids have not been produced means that the "one great objection" has not been got rid of: the physiological characteristic of species. Suggests an experiment to produce "sterile mongrels" which would remove objection.

Thanks for new edition of Orchids.

The remarkable papers of Mott on Ernst Haeckel ["On Haeckel’s history of creation", Proc. Lit. & Philos. Soc. Liverpool 31 (1876–7): 41–89].

The part played by carbon in geological changes.

Thanks CD for Forms of flowers.

Further objections to "voluntary" sexual selection. Believes that he can explain all the phenomena of sexual ornaments and colours by laws of development aided by simple natural selection.

Excited by Thomas Belt’s "oceanic glacier river-damming" hypothesis. The last paper, "Glacial period in the Southern Hemisphere" in the Quarterly Journal of Science is particularly fine.