Details: iv, 552; iv, 552; vi, 567; vii, 703 pp., including Index.16mo (17 cm). Frontis portrait of the author and 98 engraved black and white plates, plus one folding.Full brown calf, compartmented spines stamped in gilt on maroon labels, marbled endpapers. Some scuffs and worn edges. Plates moderately foxed.Rear hinge of Vol. IV professionally repaired.