1872 May 9 On a Supposed Periodicity in the R. Soc. (Proc.) Elements of Terrestrial Magnetism, with a period of 26-1/4 days.

1872 Nov. 30 Address (as President) delivered at the Anniversary Meeting of the Royal Society.

1872 Dec. 19 Magnetical Observations in the Phil. Trans. Britannia and Conway Tubular Iron Bridges.

1873 Feb. 25 Remarks on Mr Thornton's Paper on Inst. C.E. "The State Railways of (Minutes.) India"—chiefly in reference to the proposed break of gauge.

1873 Mar. 12 Note on the want of Observations of R. Astr. Soc. Eclipses of Jupiter's First Satellite (Month. Not.) from 1868 to 1872.

1873 Mar. 14 Letter to the Secretary of the R. Astr. Soc. Admiralty on certain Articles which (Month. Not.) had appeared in the Public Newspapers in regard to the approaching Transit of Venus.

1873 Additional Note to the Paper on a R. Soc. (Proc.) supposed Alteration in the Amount of Astronomical Aberration of Light produced by the passage of the Light through a considerable thickness of Refracting Medium.

1873 Apr. 10 List of Candidates for election into the
Royal Society—classified.

1873 On the Topography of the "Lady of Private.
the Lake."

1873 June 7 Report of the Astronomer Royal to the
Board of Visitors.