XXIV. 



Rough Notes of an exploration for an inter-oceanic canal route by way of the 

 Rivers Atrato and San Juan, in New Grenada. By John C. Trautwine. 8vo. 

 From the Author. o 



The Hi>tory of Mason and Dixon's Line. By John H. B. Latrobe. An 

 Address before the Historical Society of Pennsylvania, Nov. 8th, 1854. From 

 the Author. 



American Journal of Science and Arts for March, 1855. From the Editors. 



An Essay to prove the contagious character of Malignant Cholera. By Ber- 

 nard M. Byrne, M.D. 2d edition. Svo. From the Author. 



Dr. Wilson presented the following, on the usual condition : 



Comptes Remlus. Tome 39, Nos. 25, 2b'; Tome 40, Nos. 1, 2, 3. 



Annales des Sciences Naturelles. 4me serie. Vol. 2, No. 3. 



Revue et Magasin de Zoologie. 1854. No. 12. 



London Athenaeum, for Jan. 1855. 



Mikrogeoloiiie. Das eiden und felsen schaffende Wirken des unsichbtbar 

 kleinen selbstandigen Lebens auf der Erde. Von Chr. Gott. Ehrenberg. 2 vols, 

 folio. 



March 13 th. 



Virginia Medical and Surgical Journal, for March, 1855. 



New York Medical Times for March, 1855. From the Editors. 



Nineteenth Annual Report of the Managers of the New York Institution for 

 the Blind. From the Managers. 



Report of the State Librarian to the Legislature of Pennsylvania for 1854. 

 From the State Librarian. 



Illustrations of the Birds of California, Texas, &c. By John Cassin. No. 8. 

 From Dr. Wilson. 



Journal of the Franklin Institute for March, 1855. From the same. 



March 20th. 



Monographie des Guepes Sociales. Nos. 1, 3, 6. ParH. De Saussure. From 

 the Author. 



Statistical View of the United States; being a compendium of the Seventh 

 Census. By J. D. De Bow. 8vo. From Mr. Isaac Lea. 



Proceedings of the Boston Society of Natural History. Vol. 5, pp. 97 128. 

 From the Society. 



Apr it 3d. 



Histoire Naturelle, Physique et Politique de l'lle de Cuba. Par M. Ramon 

 de la Sagra. Nos. 73,74. From Messrs. Vaux, Elwyn, Clay and Carpenter. 



Pioceedings of the Boston Society of Natural History. Vol. 5, pp. 129 144. 

 From the Society. 



Charleston Medical Journal and Review for March, 1855. From the 

 Editors. 



The New York Quarterly. Vol. 4, No. 1. April, 1855. From the Editors. 



Dr. Wilson presented the following, on the usual condition: 



The Imperial Dictionary, English, Technological and Scientific. Edited by 

 John Ogilvie, LL.D. 2 vols, imperial 8vo. 



Testacea Britannica, or Natural History of British Shells. By George Mon- 

 tajiu. 2 vols. 4to. 



Revue et Magasin de Zoologie, 1855, No. 1. 



Annales des Sciences Naturelles. 4me serie. Tome 2, No. 4. 



London Athenaeum for February, 1855. 



Comptes Rendus. Tome 40, Nos. 4, 5, 6, 7, 8. 



April 10th. 



Niger Flora: or an enumeration of the Plants of Western Tropical Africa, 

 collected by the late Dr. Theod. Vogel in 1841. Edited by Sir Wrn. Hooker. 

 8vo. Deposited by Mr. A. J. Brasier. 



The American Sportsman. By Elisha J. Lewis, M. D. 8vo. From the 

 Author. 



