Will prepare experiments with the fatty acids on digestion of gluten. Has found it is digested slowly, but entirely, with pepsin and hydrochloric acid.

Discusses belief in immortality and a personal God.

Describes his holiday in Southampton.

Comments on papers of John Wesley Judd.

Thanks DFN for her letter [see 9620].

Has nearly finished work on Dionaea.

Asks her to send a specimen of Drosera dichotoma.

Writes at length on the origins and meanings of particular head movements as used to express assent or disagreement, especially the sideways movements of the head as an expression of consideration or contemplation.

Also discusses space and colour perception.