Sends "worm journal" – observations of earthworm activity at Abinger.

Hive-bees captured in tubes of nectary of Tritoma. Seems a maladaptation of the bees.

CD’s quest for Government support for potato experiments by James Torbitt.

Believes letter from CD endorsed by JDH will virtually guarantee Government or private support for Torbitt’s experiments. Queries experimental procedure.

Caird agrees that there will be no difficulty in getting finances.

What does Torbitt propose to do with CD’s £100; does he want another £100 now or soon?

Suggests Torbitt proceed with his work for this year; if he wishes to continue next year THF will try to arrange Government support.

Sends Ledum, the nectar of which catches many insects.

Describes his Primula varieties.

Is struck by the amazing variations of the hardy Primula varieties.

Gives up his wish to keep secret the engagement of his daughter to Horace Darwin.

Has Torbitt any further results? THF has forgotten what he had proposed to do.

Concerning the settlement for Horace Darwin and Ida.

Will give CD’s potato papers to Lord Sandon.

On death of his wife. Botany a solace.

Not discouraged by F. Müller’s Passiflora.

Observations on insects visiting barberries.

Has sent F. Müller "a long screed" about the Passiflora.

Has procured a Passiflora flower at last. Structure suited for humming-birds rather than bees.

Returning CD’s books.

Sympathises with women’s lot in life.

Forgot to send books.

Saw Miss [Henrietta] Darwin; chastised her for being out when book [Descent] has not yet appeared.

Parallel between CD’s account of morality [in Descent], of social instinct preceding selfishness, and Henry Maine’s account of notions of property of a community preceding individual property [in Ancient law (1861)].

On private property, with regard to tools and arms; comments on Maine’s book and the history of law regarding property.