Entered accoidino; to the act of congres.e, in the year one thousand eight luindrcd and 

 thirty-one, by G. & C. & H. Carvill, in tiie clerii's office of the southern district of 

 New York. 



Philadelphia : 



Printed by James Kay, .Tun. & Co. 



Piinlers to the American Piiilosopliical Society, 



No. 4, Minor Street. 



