Asks JM to grant permission for a French translation of his "Naturalist’s voyage" [Journal of researches].

Sending a query regarding the colors seen on clouds at sunset.

A case of fighting in crabs (Portunus puber against Carcinus maenas) [see Descent 1: 332].

Statement of sales of U. S. edition of Origin.

Corrects T. M. Brewer’s statement, cited in the Origin, that the American cuckoo never uses other birds’ nests. [See Origin, 5th ed., p. 266.]

Statement of sum due from Rev. Robinson "On account of School".

Sends translation of Mr Steiger’s letter responding to question CD had asked about growth of horns of merino rams.

Is supplying JH with copies of his missing journals [see JH's 1869-1], and will send more later.

Lyell says CD is revising what he says about the Weald in the Origin. Asks CD to look at his subaerial denudation views in his book [Physical geology and geography of Great Britain, 2d ed. (1864)].

Received [?]'s paper no. 10, which completes JH's collection. Returns duplicates of [?]'s papers on Kew and Nerchinsk 'disturbances' and on 'Residual Laws of disturbance.'

Discusses case of tailless dogs.

Does not intend to follow up work on variation under domestication.

Asks for specimen of Drosophyllum from Portugal.

CD expressed himself badly. F. Jenkin’s argument was against single variations ever being perpetuated.

Obtained and sent JH 2 copies of Physique sociale. Thanks JH for observations but they are too scientific for his lectures.

No summary available.

Thanks JH for his letters to her mother (Mary Somerville), who is not well enough to write. Describes eruption of Vesuvius.

No summary available.

Gives consent, which is unnecessary because term of protection has expired, for French translation of Journal of researches.

Is at a loss to know how many copies of F. Müller’s Facts and arguments for Darwin to print.

The printer is ready for copy for a new "edition" of Variation. [Presumably another issue. 2d edition did not appear until 1875.]

Received and read ACR’s Physical geology. Places him at head of the subaeria denudationists. Unfortunately CD confounded William Whitaker’s article with ACR’s views and gave Whitaker credit for first producing the evidence. Will rectify it now. Has eliminated the rubbish he wrote on the Weald and will add a paragraph on importance of subaerial denudation.

Argues for great age of earth before the Cambrian period. Opposes measuring age from secular cooling. Opposes Sir William Thomson. Lyell’s error on secular cooling.

Thanks for Moseley citation ["On the mechanical possibility of the descent of glaciers", Proc. R. Soc. Lond. 17 (1869): 202–8].

In Edinburgh he feels out of touch with latest developments.

Thanks JVC for his information (from two correspondents) on the rate of growth of merino rams’ horns.

CD has been revising Origin [5th ed.]. Has found a good deal to alter.