Discusses opinions of Charles Darwin's theories. Doubtful that the day has shortened due to tidal forces since the earth's beginning. Alexander Herschel helps in the revision of William Herschel's double star catalogue. Alex is preparing to lecture at Glasgow University.

Informs JH, Charles Babbage, and James South that they are the surviving original members of the R.A S. Requests JH write an account of the R.A.S.'s founding. Discusses the evidence of the 'personal will' of God in creation.

R.A.S. wants JH to direct the preparation of William Herschel's catalogue of double stars for publication. CP suggests Alexander Herschel prepare the catalogue with JH's supervision. G. B. Airy observes the 'willow leaves.'

Thanks CP and R.A.S. Council for funds to help with JH's catalogue of William Herschel's double stars. Alexander Herschel will begin work soon on the project.

Sends sermon he preached at the BAAS Nottingham meeting ["The continuity of the schemes of nature and revelation" (1866)], in which he disagrees with CD on the gradual genesis of the human eye by natural selection.

Responds to CP’s sermon. Corrects CP’s confusion of what CD said about eyes of the Articulata with human eye,

and questions applicability of CP’s mathematical arguments about length of geological time needed for evolution.

Agrees he was foolish about the Wealden, now struck from later editions [Origin, pp. 285–7].

Compares observations of meteor shower in Orion with JH. Describes methods and observations in detail.