Butterflies.- Lucas (Pierre Hippolyte) Histoire Naturelle des Lépidoptères d'Europe, second edition, additional hand-coloured engraved title, 80 hand-coloured engraved plates, 2 engraved plates of equipment, half-title loose and repaired at gutter, some foxing, upper hinge starting, slight rubbing, [Horn & Schenkling 13976; Nissen ZBI 2580], Paris, 1845; Histoire Naturelle des Lépidoptères d'Europe, first edition, 80 hand-coloured engraved plates, lacking engraved title, occasional light scattered spotting, joints split, rubbing, 1834 § Cantener (L.P.) Histoire Naturelle des Lépidoptères Rhopalocères ou Papillons Diurnes, 39 lithograph plates, light spotting to title and restored at gutter, small repair to lower cover, Paris, 1834, contemporary half calf or calf-backed boards; and Kirby's "Catalogue of the collection of Diurnal Lepidoptera formed by the late W.C. Hewitson", 8vo & 4to (4)

⁂ Pierre Hippolyte's Histoire Naturelle des Lépidoptères d'Europe had 3 editions. From the young age of 13, Lucas started working as 'apprenti-preparateur', in the Zoological Laboratory of the Paris Musuem; he later worked closely with Latreille.