COMMISSION 



TO WHICH THIS PAPER HAS BEEN REFERRED. 



Samuel Jackson, M. D., 

 Josem Leidy, M. D., 

 Jeffries Wyman, M. D. 



JosEPn Henry, 



Secretary S. I. 



1. K. AND P. G. COLLINS, PRINTKRS, 

 PUILADELPHIA. 



