172 



No. 9. pp. 201-234. 8vo. Philadelphia. From the Aca^ 

 demy of Natural Sciences. 



Historical and Statistical Information respecting the History, 

 &c. of the Indian Trihes of the United States. By Henry B. 

 Schoolcraft. Part 1. 4to. Philadelphia, 1851. From the Com- 

 missioner of Indian Affairs. 



Smithsonian Contributions to Knowledge. Vol. II. 4to. City 

 of Washington, 1851. From the Smithsonian Institute. 



History of British Mollusca and their Shells. By Prof. E. 

 Forbes and S. Hanley. 8vo. Parts 25-29. London, 1851. 

 From H. Cuming hy Exchange. 



Proceedings of the Zoological Society of London. Part 1. 

 January to April, 1850. From the Zoological Society. 



Zeitschrift fiir Malakozoologie. Herausgegeben von K. I. 

 Menke und L. PfeifTer. Nos. 10-12, 1849, and 1 - 10, 1850. 

 From H. Cuming hy Exchange. 



Extrait de la Revue Zoologique par la Societe Cuvierienne. 

 8vo. Pamph. 1844. From H. Cuming hy Exchange. 



Joseph Leidy. On the Organization of the Genus Gregarina 

 ofDufour. 4to. Pamph. Philadelphia, 1851. From the Author. 



Thesaurus Conchyliorum, or Figures and Descriptions of re- 

 cent Shells. By G. B. Sowerby. Part 12. 8vo. London. 



System of Mineralogy. By J. D. Dana. 3d Edition. 8vo. 

 New York, 1850. From the Author. 



American Journal of Science and Arts. No. 39, for Septem- 

 ber, 1851. Exchange. 



Bulletin de la Societe Geologique de France. Tome VIIL 

 Feuilles 10-20. (6 Janvier-7 Avril, 1851,) 8vo. Paris, 

 1850-51. From the Societe Geologique. 



Mineralogical Notices, No. 3. By J. D. Dana. 8vo. Pamph. 

 1851. From the Author. 



Reconnaissances in New Mexico, Texas, &c. 8vo. Congres- 

 sional Document. 1850. From R. C. Winthrop. 



Annals of the Lyceum of Natural History of New York. 

 Vol. V. Nos. 2, 3. 8vo. 1450-1. Fro?n the Lyceum of 

 Natural History^ 



Foster and Whitney's Report on the Copper Lands of Lake 

 Superior Land District. 8vo. (Congressional Document.) Wash- 

 Fro7n T. M. Breioer. 



