Unpaginated, 4 essays xvi,viii,viii,xxiv, illustrated throughout. Brown cloth-covered boards, gilt titles on front. 4to. . Appears to be a later binding of a softcover. Boards soiled, lightly rubbed corners and spine ends. Top text block edge dust damaged, remaining edges tanning and starting fox. Endpapers starting to fox and tan. Text pages tanning and foxing. Internally neat and tight. Illustrated with Special Plates: 16 colour, 2 in facsimile, 16 after 'Liber Studiorum' and 124 other plates.