Encloses observations on Malays who have not had communication with Europeans [in answer to CD’s queries about expression].

Discusses dimorphism in plants, especially the Rubiaceae.

Gives observations on orchids; notes varying degrees of self-sterility and a varying success at crossing distinct species.

Mentions local ferns he is collecting

and considers the phenomenon of apparently mimetic plants.

Has received the first four sheets of Variation. Reinwald has received the stereotypes and is ready for printing.

Has asked a classics scholar about a word for Pangenesis. He suggests "atomogenesis".

Is getting in rather a fright about the coming exams.

Returns Hooker’s paper [unidentified].

Criticises the Duke of Argyll’s book [Reign of law (1867)], particularly on sexual selection.

But CD overlooks God’s intention to instruct man by nature’s beauty.

Criticism of anonymous article in North British Review [by Fleeming Jenkin, 46 (1867): 277–318].

CK supports large sports in response to large environmental changes.

CD probably advised omitting mention of experiments suggesting that oxlips, cowslips, and primroses could be produced from the seed of a single plant

Leaves for London tomorrow. Hopes to see JDH there or perhaps at Kew, but doubts the latter. He is not strong and has a good deal to do.

Has been reading [H. C. Fleeming Jenkin’s] review in North British Review. Would answer it if not so lazy.

Has read Mount Sorel [A. Marsh-Caldwell (1845)] and Disraeli’s life of Lord G. Bentinck [1852]. Bad science, bad literature, bad politics.

Offers to send parts of J. Syme, English botany [1863–86] in appreciation of CD’s aid.

Comments on CD’s species theory.

Will exhibit Cambrian fossil at next meeting of Geological Society.

Relates some observations for CD on the crying of her infant daughter.

Disappointed at not seeing JDH in London.

Is engaged to marry Agnes Huschke. Will make wedding trip to Switzerland and Italy in autumn; therefore cannot visit CD as hoped.

Discusses present research. Comments on Protoamoeba with respect to origin of life. Says it makes question of common or separate origin of phyla unimportant.

CD to receive honorary diploma from Imperial Zoological Botanical Society in Vienna.

Sends photograph of Viennese botanist, August Kanitz.

CD is invited to see ARW’s collections at Bayswater.

ARW has written an answer to the Duke of Argyll and North British Review criticisms.

Asks her to observe whether her dog exposes his teeth when barking and to think of any facts about expression in her birds.

Discusses the Duke of Argyll’s book [Reign of law (1867)].

Cites his own views on diversity of structure and beauty.

Encloses letter from Wallace. Sexual selection: evidence advanced by Wallace.

Discusses correlation of growth.

Comments on article in the North British Review [by Fleeming Jenkin].

Discusses the evidence from physics on the age of the earth.

[Four pages of the final letter are missing, but the draft is complete.]