London: Royal Astronomical Society, 1887. [2], 584 pages, plus 'List of Presents' pages 47 -76. Illustrated with 7 plates, some of which are folding. Bound in half-calf gilt over marbled boards, recently re-backed. Octavo. Ex-libris Admiralty Library with ‘withdrawn’ stamp to front endpapers and to title-page; else a very good copy.