Sends quotation from Armand Trousseau, Lectures on clinical medicine [1868–72] 5: 213, on interruption of menstruation in young girls upon changing schools, as an example of the effect of changed conditions of life.

Sutton says monkeys often vomit, but cannot say whether they do it voluntarily.

Statement of sales of U. S. editions of Origin and Descent.

CD’s letter inviting him to visit did not reach him till he returned home.

Replies to C. R. Bree’s letter of 27 July [Nature 6 (1872): 260] contending that CD was wrong about early pedigree of man.

Defends the statement of CD’s view in Wallace’s review [Nature 6 (1872): 237–9] of Bree’s book [Exposition of fallacies … of Darwin (1872)].

CD hopes the Times abstract of minutes of Lords of the Treasury will make JDH’s position more comfortable.

The "wretched Lords" make CD indignant, but "nothing equals Owen’s conduct. – I used to be ashamed of hating him so much, but now I will carefully cherish my hatred & contempt to the last day of my life."

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.

Sends synopsis of his paper "On diversity of evolution" [J. Linn. Soc. Lond. (Zool.) 11 (1873): 496–505] in which he attempts to show some of the means, other than natural selection, of modification of species.

So far VOK has lost money on his translation of Descent because of pirate editions.

Agrees to share profits on Expression.

Wishes to come to Down to make arrangements for Russian translation of Expression.

CD cannot omit mention of Wilhelm Wundt’s Thierseele [Vorlesungen über die Menschen und Thierseele (1863)] in his book.

Murray could control the number of copies of translation of Expression sold in Russia by the number of heliotypes he will supply.

The buck is well; Dr Carter has returned, and things will go better.

Hostility of birds toward others with same colour;

nuptial plumage.

Spiza cyanea and Spiza ciris.

Parallel quotations from Benjamin Franklin and Descent about absorption of heat by different colours; applies to winter and summer plumage of birds.

Reasoning power in dogs.

VOK is marking the passages [in Wundt, Menschen und Thierseele (1863)] that may interest CD.

Offers observations on expression in Australian dogs, since he knows CD plans to publish on the subject.

Sends a paper in which he has applied CD’s theory of natural selection to the explanation of the mortality rate of new-born infants ["Die Kindersterblickeit", J. Kinderkrankheiten (1872)].

Wishes to have Dutch publication rights for a translation of Expression.

Has reported on the Naples Zoological Station to BAAS meeting at Brighton. Hopes to open it in January. Is at work building up the library by contributions from publishers and naturalists.

Deplores Wallace’s "drifting away" and his association with such men as H. C. Bastian.

Disbelieves in ascidians as our ancestors. Has a substitute he is sure will please CD.

Doubts reported cases of homing instinct in dogs.