XX11. 
Grundriss einer Zootomischen Beschreibung der landwirthschaftlichen Thiere. 
Von, Dr. J. D. Busch. S8vo. 
J. P. Eberhard’s Abhandlung von dem Urspung der Perle. 12mo. 
The Cottager’s Manual for ‘the Management of Bees. By Robert Huish. 2d 
ed. i2mo. 
J. B. F. Blumenbachs uber die Naturlichen Verschiedenbeiten im Menschen- 
geschichte. Von J. G. Gruber. 12mo. 
Peter Camper over. den Naturlichen Unterschied der Gesichtsztige in Men- 
schen. 4to. 
Der Herren Perrault, Charras und Dodarts Abhandlungen zur Naturgeschichte 
der Thiere und Pflanzen 3 vols. 4to. 
Tableau synoptique des Races Humaines. 
June 1st. 
Maps of Hell Gate; South side of Long Island, No. 1; Entrance to Mobile 
Bay ; Hart and City Island and Sachem’s Head Harbors ; and Richmond Island. 
From the U. 8. Treasury Department, through Professor A. D. Bache. 
The Classification of Mankind by the hair and wool of their heads; with the 
nomenclature of human hybrids. By Peter A. Browne, LL.D. From the 
Author. 
- Journal d’Agriculture ou Transactions de la Soc. d’ Agriculture du Bas-Canada. 
Vol. 5, No. 5. From the Society. 
A. Synopsis of the Family of Naiades. By Isaac Lea. 3d edition, 4to. From 
the Author. 
Observations on the Genus Unio. By Isaac Lea. Vol. 5, 4to. From the 
Author. 
On the fossil footmarks of the Red Sandstone of Pottsville, Pennsylvania. By 
Isaac Lea. From the Author. 
On a Fossil Saurian of the New Red Sandstone Formation of Pennsylvania. 
By Isaac Lea. From the Author. 
The Philosophical History and Memoirs of the Royal eon ilove of Sciences of 
Paris. 5 vols. 8vo. By J. Martyn and E. Chambers. From Mr. George Ord. 
The Chinese Repository. Vols. 5, 6, 13, 14, 15, 16, 8vo. From Dra Uae. 
Burtt. 
Dr. Wilson presented the following, on the usual condition : 
History of British Mollusca and their Shells. By Forbes and Hanley. 
Part 46. 
Annals and Magazine of Natural aRitane, May, 1852. 
Revue et Magasin de Zoologie, 1852, No. 3. 
London, Dublin and Edinburgh Philosophical Magazine, May, 1852. 
Neuste schriften der Naturforschenden Gesellschaft in Danzig. Vols. 1, 2, 3, 
and part 2 vol. 4, 4to. 
Transactions of the Cambridge Philosophical Society. Vol. 9, part 2, 4to. 
Conchologia iconica. By Lovell Reeve. Part 107. 
Illustrations of British Mycology. By Mrs. T. J. Hussey. 2d series part 15. 
The London Atheneum for April, 1852. 
Comptes Rendus. Tome 34, Nos. 13 to 17. 
Systematisches Conchylien-Cabinet von Martiniund Chemnitz. Von C. H. 
Kuster. Nos. 101—105. 
Annales des Sciences Naturelles, 3me serie. Botanique, Vol. 13 Nos. 7—12; 
vol. 14 Nos. 1—6. 
Pea fir Malakozoologie. Von Menké und Pfeiffer. 1851 No. 12, 
52 Nos. 1 and 2. 
ee ice Frangaise, Par Alcide d’Orbigny. No. 168. 
Contributions to Ornithology. By Sir Wm. Jardine. 1851, pts. 5 and 6. 
Zeitschrift fur Wissenschaftliche Zoologie. VonC. T. Vv. Siebold und A. 
Kolliker. 3d vol. Nos. 1—4. 
Handbuch der bestimmenden Mineralogie. Von W. Haidinger. 8vo. 
Handbuch der Mineralogie. Von J. F. L. Hausman. 2 vols. 8vo. 
Volstandigen Handbuch der Mineralogie. Von August Breithaupt. 2 vols. 8vo, 
