Works of scientific and academic interest, including papers on ancient eclipses of 776, 770 and 763 BC, and the 1521 AD eclipse; a printed appendix by the Revd John Chalmers on the 'Astronomy of the Ancient Chinese'; the path of the Thales eclipse; ancient dates derived from solstices and full moons; dates associated with Christ; 'Astronomical observations in the 15th century before Christ', from 'The Chronicle'; a piece on the landing of Caesar, from 'The Doncaster Gazette'; Airy's papers on the campaign of Aulus Plautius and the derivation of the national name Welsh; E.J. Bedford on the uniformity of the colour of buoys; a proposed north polar expedition (1865); 'Recent soundings in the Gulf stream' by H. Mitchell; three maps of Essex in Roman times; extensive correspondence on Airy's Roman papers; a report on the comparison of the tides for 1867 with graphs of tides; and Airy's paper on a visit to 'Corryvreckan'. The correspondents include J.C. Clark, H.W. Bates, W. Denison, W.H. Smyth, P.S. Stanhope, J.D. Forbes, J. Phillips, G.G. Stokes, L.A. Quetelet, A. Smith, George Smith, J.R. Hind, R.I. Murchison, A. de Morgan, H. James, J. Wood, H. Mitchell and C.R. Markham.