Has reread JDH’s paper ["On the functions of the rostellum of Listera ovata", Philos. Trans. R. Soc. Lond. 144 (1854): 259–64].

Discusses measurements of bees’ cells. Describes modification in structure of Melipona hive. Notes importance of natural selection.

Discusses measurements of bees’ cells.

CD’s response to criticism of natural selection. Exasperated at not being understood. He tries to narrow the gap between himself and JDH.

Floral anatomy of Goodeniaceae: although flowers seem to fertilise themselves by pistil moving to anther, CD shows that insect agency is necessary. Wants JDH to check his interpretation of stigmatic surface.

Progress of [Thomas?] Thomson and G. H. K. Thwaites on accepting mutability.

Bee orchid pollination.

JDH has written to CD on homologies of stigma in Goodeniaceae.

Must defer WBC’s visit, owing to daughter’s illness.

Comments on response to the Origin. Has been "well pitched into", but cares little, because of support of men like WBC.

Going for hydropathy. Too ill for Oxford BAAS meeting.

Pollination by minute insects.

CD proves his view regarding Goodenia stigmatic surfaces by dissection and following pollen-tubes up to grains.

CD writes of his admiration for pollination contrivances in Gymnadenia. Ask George Bentham whether this plant should be removed from genus Orchis.