[NATURAL HISTORY]. MÉHEUT, M. Études D'Animaux. Paris, [1911]. 2 vols. 2o, numerous plates. Half-morocco. -- [ANON.] Botanical Lectures. London, 1804. 8o. Plates. Contemporary calf. -- PETTIGREW, J. Bell. Design in Nature. London, 1908. 3 vols. 4o. Cloth. -- STIX, Hugh and Marguerite. The Shell. New York, n.d. 4o, oblong. Cloth. Dust jacket. -- and 7 others. Together 15 vols. various sizes and bindings (conditions vary). (15)