TRANSACTIONS 



OF THK 



AMERICAN PHILOSOPHICAL SOCIETY 



HELD 



AT PHILADELPHIA. 



PROMOTING USEFUL KNOWLEDGE. 



VOL. III.— NEW SERIES. 



PUBLISHED BY THE SOCIETY 



DHt'lalirlphta: 

 PRINTED BY JAMES KAY, JUN. & CO. 



PRINTERS TO THE SOCIET7. 



1830. 



