Reports some details of the geological tour he took with Sedgwick in North Wales in 1831. Recalls how neither he nor Sedgwick saw the obvious signs of past glaciation.

Writes about the Vivisection Bill; there is great fear that it may prevent demonstration dissections on insensible animals.

Writes again on the Vivisection Bill, expresses his desire not to ruin the progress of physiology whilst avoiding useless vivisection.

Comments on WM’s paper about ostrich feathers.

Wants seeds of Nesaea verticillata for crossing experiments to see whether seedlings from "illegitimate unions" are sterile like true hybrids.

Thanks for the seventh of CVR’s Annual reports on the noxious, beneficial and other insects in the state of Missouri (Riley 1869–77).

Agrees that time alone can do nothing to modify species.

Is aware that the Papaveraceae are self-fertile but feels this does not preclude an occasional cross.