Sends a copy of his lecture Elemental pathology: an address on elemental pathology delivered in the pathological section of the British Medical Association (Paget 1880).

Reports inability to control depressor anguli oris muscle in grief.

Has read Expression.

Sends draft of memorial for a pension for Wallace with suggested names of signers. Asks THH’s help.

Comments on DM’s ["The Moel-Tryfan shelly deposits", Q. J. Geol. Soc. Lond. 37 (1881): 351–69].

Comments on cause of earthquakes.

Believes formation of ice lowered level of sea.

Sends proofs of Encyclopaedia Britannica article on hybridism [9th ed., 12: 422–6]. Can CD mention authorities who should be cited?

Comments on hybridisation; cites authorities. Sends book by Wilhelm Olbers Focke [Die Pflanzen-Mischlinge (1881)].

Will support the petition for a pension for Wallace.

CD’s paragraph [about Wyville Thomson, see 12796] was so good that if he had written it he would have sent it to the printer, but [for CD] it is best to refrain.

Thanks for information on the slope of ground at Worcester.

CD’s passion now is worms.

Sends Movement in plants. While correcting proof, CD remembered an old article by HHJ, which he regrets not including.

Asks CD to sign his guarantee.

Reports events at Cambridge involving Horace.

Comments on her new book [Life and her children (1880)]. "… you have treated evolution with much dexterity and truthfulness".

Surprising thought that diseases of plants should illustrate human pathology.

Will recommend A. B. Frank’s article in a German encyclopedia, on diseases of plants, to Francis Darwin.

Gives JP a good case of regeneration in plants – the radicle of the common bean. That plants have little power of regeneration is not difficult to understand by anyone who believes in Pangenesis, "if such a man exists … There is reason to think that my imaginary gemmules have small power of passing from cell to cell."

Refers to early experiments in which he tried to produce galls in plants by injecting poisons.

Comments on GJR’s article on hybridisation.

Recommends his article ["Fertility and hybrids from the Chinese and common goose", Collected papers 2: 219–20].

Discusses crosses of Lythrum.

ARC found a frog in New Zealand; contradicts CD [in Origin, 6th ed. (1872), p. 350.]

Wonders whether CD can explain why white muscat grapes growing between two black grapevines have started turning black on ripening but retain the muscat flavour.

Although he cannot use the Neapolitan work, his respect for the service to science rendered by the Zoological Station at Naples leads him to subscribe.

Thanks CD for receiving the Yorkshire Naturalists’ Union’s deputation.

BJS’s case is one of the direct action of the pollen of one variety on the mother plant of another variety. Gives references to analogous cases.

Receiving deputation gave CD pleasure.

Thanks for copy of W. O. Focke [Die Pflanzen-Mischlinge (1881)].

Has nearly finished paper on locomotor system in echinoderms.

Is obliged for the clear answers to his queries.

Regrets that his health will not permit a visit to Wroxeter.

Will sign his name on next page, but "what geese people are about autographs".