Works and correspondence concerned principally with the tides and chronology, including J.W. Bosanquet's views on ancient eclipses in 763 and 557 BC; other ancient astronomical events; part of a paper on sonnets by Shakespeare connected to astronomy; J.W. Bosanquet on Hebrew chronology, 997-818 BC; the section on the calendar from the 'Encyclopaedia Britannica'; preparations and correspondence for a polar expedition; a paper, in French, for a proposed international polar expedition by Count Wilczech and C. Weyprecht; G.G. Stokes' extensive theories on tides and wave oscillations; a map of currents in Arctic waters; and observations of the tides at Fleetwood, Lancashire, by J. Pearson. The correspondents include J.R. Hind, J.W. Bosanquet, A.C. Ranyard, H.W. Bates and G.G. Stokes.