London. Royal Astronomical Society, 1889. [2], 468, plus 'List of Presents,' pages, 101-125. Illustrated with seven full-page plates, and within the text. Bound in half-calf gilt over marbled boards, recently re-backed; inner joints strengthened. Octavo. Ex-libris Admiralty Library with ‘withdrawn’ stamp to front endpapers and to title-page; 6.5mm tear in title, without loss, but with a small rub resulting in the loss of the loss of the letter 'A' in Abstract;' else a very good copy.