Miscellaneous papers concerning astronomical matters, including letters from A. de Morgan, J.R. Hind, W. Lassell and C.P. Smyth. The subjects covered include the occultation of Jupiter, 19 May 1850; a circular from Mr Linton on astronomical discoveries by the use of mathematics; the application from the British Association to the Government for the establishment of a powerful reflecting telescope; a map of Schiehallion showing buildings with the names 'N Observatory' and 'S Observatory'; remarks on some passages of Sir J.F.W. Herschel's outlines of astronomy; correspondence on the new ring of Saturn; Professor C.P. Smyth's 'Astronomical Notices'; parallax computations relating to Groombridge, 1830; and correspondence on other subjects relating to astronomy.