BUFFON (Georges-Louis LECLERC, comte de) OEuvres complètes de Buffon, with extracts from Daubenton and Cuvier's Classification. Paris, Au bureau des publications illustrées, 1839-1842. In-4. 5 vols. (T. 4 missing). T. 1, 1839, Buffon portrait, 5 maps - T. 2, 1841, no pl. - T. 3, 1839, 13 pl. - T. 5, 1841, 44 pl. - T. 6, 1842, 30 pl. Half-bound in black leather with corners, gilt ribbons and marbled paper and edges (wear, rubbing, a few bumps and snags; tear 1st plate T. 6). Pages sunned, some browned (especially T. 1), others very stained, some protruding from the edges (especially T. 5); a few small tears at the edges. INCLUDED: 2 vols. - Doctor CHENU Quadrumanes. Encyclopedia of natural history or complete treatise of this science. Paris, at Maresq and Company or G. Havard, s.d. In-4. Half-bound in dark green leather and framed paper (wear, rubbing and some bumping). Stains, soiling, some spotting; Pl. 26 turned over. - Le nid de Fauvette ou Abécédaire ornithologique, contenant des leçons tirées de l'histoire naturelle des oiseaux; avec de petites fables propres à instruire et amuser les Enfants. Paris, Le Prieur, 1812. In-12. 15 pl. (s/16). Bound in basane and blue cardboard (poor condition). Poor condition (soiling, stains, inscriptions, tears and lacks, pages or plates detached). Provenance: Library of Auguste VERNEUIL (1856-1913), inventor of synthetic ruby.