Describes a letter he has written to the Athenæum in which he mentions CL’s views on species modification ["Doctrine of heterogeny", Collected papers 2: 78–80].

Comments on criticism of Lyell’s book [Antiquity] by Falconer and others.

Mentions his eczema.

Invites the Lyells to visit.

Received some proof sheets this morning of the Appendix to CL's book on the Antiquity of Man. Has read through the book with great interest. Comments on various points. Will have to revise their ideas on the length of human existence. Has had another letter from Twisleton so supposes he must try and write on science in schools. Have had sickness for the first three months of the year.