301. 



Hymenoptera Europoea, praecipue Borealea ab A. G. Dahlbom. 2 vols. 8vo. 

 Histoire naturelle generate des Genres Organiques. Par M. Isidore Geoff. St. 

 Hilaire. Tome ler, 8vo. 



Recherches sur la generation des Huitres. Par C. Davaine. 



Orthoptera Europcea. Auctore L. H. Fischer. 4to. 



Conspectus Systematicus Orthopteroruin Europae. Auctore L. H. Fischer. 



July Y&th. 



Proceedings of the American Philosophical Society, Jan. to June, 1854. 

 From the Society. 



Proceedings of the Boston Soc. of Nat. History, vol. 4, pp. 353400. From 

 the Society. 



Report of the Geology of the Coast Mountains and part of the Sierra Nevada. 

 By Dr. J. B. Trask. From the California State Superintendent of Public In- 

 struction. 



Observations on the genus Unio. By Isaac Lea. Vol. 3. 4to. (To complete 

 the copy in the Library.) From the Author. 



Description of a new species of the genus Unio. By Isaac Lea. From the 

 Author. 



Description of nineteen new species of Colimacea. By Tsaac Lea. From the 

 Author. 



Smithsonian Contributions to Knowledge. Vol. 6. 4to. From the Smith- 

 sonian Institute. 



New Orleans Medical and Surg. Journal, for July, 1854. From the Editors. 



August 1st. 



Transactions of the American Ethnographical Society. Vol. 3, part 1. 8vo. 

 From'the Society. 



Charleston Med. Journal and Review for July, 1854. From the Editors. 



Virginia Medical and Surgical Journal, Vol. 3, No. 3. From the Editors. 



Gelehrte Anzeigen. Herausg. von Mitgl. der k. bayer. Akad. der Wissen. 

 Band 36, 37. 4to. From the Academy. 



Bulletin der k. Akad. der Wissen. Jahrgang 1853. 4to. From the same. 



Rede zur Borfeyer des hohen Geburtslestes Sr. Maj. des K. Maximilian II 

 von Bayern 26 Nov., 1853. Von Fried, v. Thiersch. From the same. 



Wegweiser fur die Besucher des k. Botanischen Gartens in Munchen. Von 

 Dr. C. F. P. von Martius. 12mo. From the same. 



Afrika von den Entdeckungen der Portugiesen. Von Dr. Fr. Kunstmann. 

 From the same. 



Ueber die Bewegung der Bevolferung im Konigreiche Bayern. Von Dr. F. 

 von Hermann. From the same. 



Comptes Rendus. Tome 38, Nos. 22, 23. From Dr. Wilson. 



London Athenaeum for June, 1854. From the same. 



Annales. des Sciences Naturelles. 4me serie, tome 1, Nos. 1, 2, 3. From the 

 same. 



Journal of the Franklin Institute for July 1854. From the same. 



August 8th. 



Arboretum et Fruticetum Britannicum, or Trees and Shrubs of Great Britain. 

 By J. C. Loudon. 8 vols. 8vo. Deposited by Mr. A. Brazier. 



The Metallic Wealth of the United States. By J. D. Whitney. 8vo. From 

 the Author. 



The Microscopist ; or a complete manual on the use of the Microscope. By 

 Jos. Wythes, M.D. l2mo. 2d edition. From the Author. 



August 22d. 



Novorum Actorum Acad. C. L. C- Nat. Curiosorum, Vol. 24 pars 1. 4to. 

 From the Academy. 



Memoires de la Societe de Physique et d'Histoire Nat. de Geneve. Tome 13, 

 part. 2. 4to. From the Society. 



