TRANSACTIONS 



OF THE 



AMERICAN 

 PHILOSOPHICAL SOCIETY, 



HELD AT 



PHILADELPHIA, 



FOR PROMOTING 



USEFUL KNOWLEDGE, 



VOLUME V. 



PHILADELPHIA: 



PRINTED BV BUDD & BARTRAM 



For THOMAS DOBS ON, at the stone-house, 



NO 41, SOUTH SECOND-STREET, 

 v^ 1802. 



