London: Printed by T. Spilsbury, 1785. First edition. 4to. vii, [9], 360 pp, including errata leaf and subscribers list. Illustrated with engraved folding frontispiece map, three folding maps, and six folding plates. Contemporary tree calf, stamped in gilt, brown morocco spine label, front and rear boards rubbed, front and rear joints tender, corners worn, spine ends worn and chipped; all edges trimmed; marbled endpapers; scattered minor spotting to text, some tape repairs to plate folds; with armorial book-plate of George Morris Taswell on front free endpaper.