272 



Journal of the Franklin Institute. Sd Series. Vol. XXIII. No. 6. 

 June, 1852. Philada. 8vo. — From the Institute. 



The African Repository. Vol. XXVIII. No. 6. June, 1852. Wash- 

 ington. Bvo. — From the American Colonization Society. 



Memoria Historica sobre los derechos de soberania y dominio de la 

 Confederacion Argentina, a la parte Austral del Continente Ame- 

 ricano, &c. Por D. Pedro de Angelis. Buenos Ay res. 1852. 

 Bvo. — From the Author. 



Memoire sur la Constitution Mineralogique et Chimique des Roches 

 des Vosges. (Ann. des Mines, Tome XX.) Par M. Delesse, 

 Ingenieur des Mines. Paris. 1851. 8vo. — From the Author. 



The Classification of Mankind by the Hair and Wool of their Heads; 

 with the Nomenclature of Human Hybrids. By P. A. Browne, 

 LL.D. Philada. 1852. 8vo. — From the Author. 



Second Annual Report of the Directors of the Bellefontaine and In- 

 diana Rail Road Company ; with the Report of the Chief Engi- 

 neer. May, 1852. Cleveland, O. 8vo.— From W. M. Ro- 

 berts, Chief Engineer. 



Observations on the Genus Unio, together with descriptions of New 

 Species in the families Unionidee, Colimacese and Melaniana. By 

 Isaac Lea, Member of the Am. Phil. Society, &c. Vol. V. 

 Philada. 1852. 4to. — From the Author. 



On the Fossil Footmarks in the Red Sandstone of Pottsville, Penn- 

 sylvania. By Isaac Lea, Mem. Am. Phil. Society, &c. Philada. 

 1852. 4to. — From the same. 



On a Fossil Saurian of the New Red Sandstone Formation of Penn- 

 sylvania, with some account of that Formation ; also on some 

 New Fossil Molluscs in the Carboniferous Slates of the Anthra- 

 cite Seams of the Wilkesbarre Coal Formation. By Isaac Lea, 

 M. A. P. S., &c. Philada. 1852. 8vo.— From the same. 



The Plough, the Loom and the Anvil. Vol. IV. No. 11. May, 

 1852. N. Y. and Philada. 8vo.— From F. G. Skinner, Edi- 

 tor. 



The Medical News and Library. Vol. X. No. 114. June, 1852. 

 Philada. 8vo. — From Blanchard 6f Lea. 



The Committee to which was referred Dr. Leidy's paper 

 " On the Extinct Dicotylinae of America," made report, re- 

 commending its publication in the Transactions of the Society, 

 which was ordered accordingly. 



Prof. Frazer announced the death of Dr. James B. Rogers, 



