2 vols., 8vo, pp. [xvi], 374 + 2 frontispieces and 70 plates (8 folding); [xii], 324, ff. [i], 67 (recte 68),  + 3 frontispieces (one to third part) and 79 plates. Title-page in each vol. double-page and printed in red and black. Contemporary vellum boards, spines lettered in ink. A little browning and spotting in places, one folding plate with an 8cm handling tear, a couple of other plates with slight wear to fore-edges. Bindings just a little soiled. Old 12-line inscription in German to front flyleaf of vol. 1.