HUMPREYS, Henry Noel & John Obadiah WESTWOOD. Brtiish Butterflies and Their Transformations, London, Wm. S. Orr, 1849, 42 hand-coloured engraved plates (light marginal spotting); British Moths and Their Transformations, London, Wm. S. Orr, 1849, 2 vols., 4°, 124 hand-coloured engraved plates (some light spotting), uniform contemporary half calf (rather worn). (3)