PROCEEDINGS 



OF THE 



AMERICAN PHILOSOPHICAL- SOCIETY 



/■l''M;lli(;f ,1,!/,', 



HELD AT PHILADELPHIA 



FOR 



PROMOTING USEFUL KNOWLEDGE. 



VOL. XLI. 



JANUARY TO DECEMBER. 

 1902. 



^ PHILADELPHIA : 

 THE AMERICAN PHILOSOPHICAL SOCIETY. 

 1902. 



