8 



Literary Society, at the close of the Session, 1846-7. Leeds, 



1847. 8vo. — From the Society. 

 Reports of the Proceedings of the Geological and Polytechnic Society 



of the West Riding of Yorkshire. Seven Numbers, from 1840 



to 1846. Leeds, 1847. 8vo. — From the Society. 

 Bulletin de la Societe de Geographie. Troisieme Serie. Tome VIL 



Paris, 1847. 8vo. — From the Society. 

 Journal Asiatique. Quatrieme Serie. Tome X. Sept. 1847. Paris, 



1847. 8vo. — From the Society. 

 The Annals and Magazine of Natural History. Vol. XX. No. 135, 



and Supplement, No. 136. London, Dec. 1847. 8vo. — From 



Sir William Jardine, Bart. 

 The British Almanac of the Society for the Diffusion of Useful 



Knowledge, for the Year 1848. London. 8vo. — From Petty 



Vaughan, Esq. 

 Introductory Lecture, delivered to the Class of Institutes of Medicine 



in Jefferson College, November 4, 1847. By Robley Dunglison, 



M.D. Philadelphia, 1847. 8vo From the Author. 



Researches into the Comparative Structure of the Liver. By Joseph 



Leidy, M.D. Extracted from the American Journal of Medical 



Sciences. Philadelphia, 1848. 8vo. — From the Author. 

 The Medical News and Library. Vol. VI. No. 62. Feb. 1848. 



8vo. — From Lea ^ Blanchard. 

 The Orbit of Neptune, computed by Sears C. Walker, A.A.S. ; and 



Formulse in the Theory of Neptune, by Benjamin Peirce, A.A.S. 



From Dr. R. M. Patterson. 

 Proceedings of the Historical Society of Pennsylvania. Vol. I. No. 



13. Dec. 1847. 8vo. — From the Society. 



ADDITIONS TO THE LIBRARY BY PURCHASE. 



Comptes Rendus Hebdomadaires des Seances de I'Academie des Sci- 

 ences. Tome XXV. Nos. 17 a 21. Oct. 25 a Nov. 25, 1847. 

 Avec Tables des Matieres du Tome XXV. 4to. 



Annales de Chimie et de Physique. Troisieme Serie. Tome XXI. 

 Nov. et Dec. 1847. 8vo. 



London, Edinburgh and Dublin Philosophical Magazine, and Journal 

 of Science. Third Series. No. 210, and Supplement, No. 211. 

 December, 1847. 8vo. 



Astronomische Nachrichten. Nos. 616, 617, 619. Altona, Nov. 

 1847. 4to. 



