XX. 



Traite pratique sur les Abeilles. Par V. Rendu. Titno. 



Die Etrusker. Von Karl 0. Muller. 2 vols. 8vo. 



Traite de I'age du Cheval, par feu N. F. Girard. 3me ed. par J. Girard. 8vo. 



Grundriss der Geognosie und Geologie. Von Dr. Bernhard Cot.ta. 8vo. 



The Honey Bee. By Edward Bevan, M. D. Svo. 



An Introduction to Conchology. By Geo. Johnston, M. D. Svo. 



The History of the Island of Minorca. By John Armstrong. 2d ed. Svo. 



History and description of the skeleton of a new Sperm Whale in the Austra- 

 lian Museum. By Wm. S. Wall. Svo. 



Melisselogia. By John Thornley, of Oxon. Svo. 



Die Arachniden. Von Dr. Carl W. Hahn. Svo. 



View of the origin and migrations of the Polynesian Nations. By J. D. Lang, 

 D. D. Svo. 



Popular Conchology. By Agnes Catlow. 12mo. 



A popular history of Mammalia. By Adam White. 



Moral inquiries on the situation of Man and of Brutes. By Lewis Gompertz. 

 Svo. 



Oligaeri Jacobaei de Ranis et Lacertis observationes. 12mo. 



Polynesian Researches. By William Ellis. 4 vols. 12mo. 



C. A. Linne Amasnitates Academicae. 10 vols. Svo. Ed. tertiaabD. J. C. D. 

 Schreibero. 



Nouveau Museum d'Histoire Naturelle, par MM. Lacepede, Desfontaines, &c. 

 Tome ime. 8vo. 



Principles of Geology. By Sir Charles Lyell. 8th ed. Svo. 



Arctic Searching Expedition. By Sir J. Richardson. 2 vols. Svo. 



Index Entomologicus. By W. Wood. Svo. 



A Treatise on Hydrostatics and Pneumatics. By Dionysius Lardner. 12mo. 



Manual of Electricity, Magnetism and Meteorology. By D. Lardner. 2 vols. 

 12mo. ' 



A Treatise on Heat. By D. Lardner. 12mo. 



History of Natural Philosophy. By Baden Powell. l2mo. 



Preliminary Discourse on the Study of Natural Philosophy. By Sir John 

 Herschel. 12mo. 



A Treatise on Astronomy. By Sir J. Herschel. 12mo. 



A Treatise on Chemistry. By Michael Donovan. 4th ed. 12mo. 



A Treatise on Mechanics. By Capt. H. Kater and D. Lardner. 12mo. 



A Treatise on Optics. By Sir David Brewster. New edition. 12mo. 



The Grammar of Entomology. By Edward Newman. 12mo. 



Histoire Naturelle des Insectes. Par F. M. G. de Tigny. 3me. ed. 10 vols. 

 12mo. 



Essai Monographique et Iconographique de la tribu des Cossyphides. Par le 

 Mis- F. de Breme. Pts. 1 and 2. Svo. 



Description of a singular aboriginal race inhabiting the summit of the Neil- 

 gherry Hills in the Southern Peninsula of India. By Capt. Henry Harkness. Svo. 



Catalogue of the Portland Museum. 4to. 



History of the Discovery and Conquest of the Canary Islands. By George 

 Glas. 4to. 



Treatise on Insects. By James Wilson. 4to. 



Martini Lister Historia Conchyliorum. Folio. 



Aquitilium Animalium Historia, Hippolyte Salviano auctore. Folio. 



May ISth. 

 Gammarologia : a Philippo T. Sachs. 12mo. 



De vivipera generatione scepsis. Auctore J. H. Sbaragli P. et M. D. J2mo. 

 Wilhelm Josephi Anatome der Saugethiere. 12mo. 

 Dissertationes Academicae. A Carolo P. Thunberg. 2 vols. 12mo. 

 Johannis Busthampntini Camarensis de Animantibus Sacrae Scriptural. 4to. 

 vT. G. Lipbknecht Ilassiae Subterranae specimen. 4to. 

 Verzeichniss biimischer Insekten von J. D. Preyskler. 4to. 

 Jobi Ludolphi dissertatio de Locustis. Folio. 



I 



