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.]

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

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)].

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.

Believes that species or genus may have originated more than once from separate ancestors, i.e., polyphyletically.

Discusses relation of CD’s theory to religion. Has written popular account of CD’s theory in Dutch [Darwin en de Godsdienst (1869)].

Pleased by CD’s good opinion and offer to provide material. Discusses work he would do on cirripedes.

Moritz Wagner’s views on migration of species;

his doubts about Fritz Müller’s views on developmental stages of Crustacea.

John Lubbock regrets GHD did not take the Eton post. JL thinks scientific masters will soon occupy places as high and as profitable as classical masters.

Has inquired about magnetic storms. Any effect that could be produced by the sun’s energy in retarding the cooling of the earth would be utterly insignificant.

Tells of his visit to Eton.

Is uncertain about next steps to take for a legal career.

No summary available.

Down School funds.

Sends MS. Asks CD to recommend it to a scientific society.

Librarian to the Board of Trade proposes a celebration of CD’s 60th birthday by the Vienna Free Press.

Returns a book on beavers borrowed from CD.

Asks whether JL would be prepared to sign a petition on behalf of Miss Eliza Meteyard who is seeking a civil list pension.

Down School funds.

Explains the point about gravitation and heat that CD does not understand in J. Croll’s letter [6218?].

Cambridge news.

Thanks for abstract of Moseley’s paper on motion of glaciers [see 6599]. Reading it convinced him that Tyndall’s received view is wrong. Has formed a new view, which he has sent to Philosophical Magazine [4th ser. 37 (1869): 201–6].