PROCEEDINGS 



J'c 



AMERICAN PHILOSOPHICAL SOCIETY, 



HELD AT PHILADELPHIA, 



PROMOTING USEFUL KNOWLEDGE. 



VOL. II. 



JANUARY, 1841, TO JUNE, 1843. 



+**+++®w^+***+*~~ 



PHILADELPHIA : 



PRINTED FOR THE SOCIETY, 



By John C. Clark, X G() Dock Street 



1844. 



