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c. H. DAVis, Tables of the Moon, American ephemerisand 

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Eeport of the Secretary of War. 8\ 



Transactions of the American philosophical Society. Vol. X, 

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A Memoir on the extinct Dicotjlinae of America. 



c. M. WETHERILL. Chemical esamination of two Minerals from the 



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Gold in Pennsylvania. 



_ On a new varity of asphalt. {Melan-Asphalt). 



R. A. TILGHMAN. On the decomposition of the Alkaline Solphates by 



hydrochloric acid and chlorine. 

 j. L. LE CONTÉ. Notcs On the classification of the Carabidae of the 



United States. 

 Kevision of the Elateridae of the United States. 



Proceedings of the American Philosophical Society. Vol. V, 

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Proceedings of the Academy of natural sciences of Phi- 

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No. 1—2, 1841—1854. Philadelphia, 1843-1854. 8'. 

 Proceedings of the American Academy of arts and sciences. 



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 c. GiBARD, Researches upon Nemerteans and Planarians. 



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 Transactions of the Wisconsin State Agricultural Society. 



Vol. 1— II, 1851—52. Madison, 1852. 8o. 



of the State Agricultural Society. Vol. I — IV, 



1849—1852. Lansing, 1849—1853. 8o. 



