HUMPHREYS, Henry Noel & John Obadiah WESTWOOD. British Butterflies and their Transformations, London: William Smith, 1841. 4°, additional hand-coloured lithographed title and 42 plates (one reinforced at outer margin, occasional very light soiling and spotting), contemporary green half morocco gilt (lightly scuffed and rubbed), spine gilt in compartments, g.e. FIRST EDITION. Nissen ZBI 2049.