PROCEEDINGS 



t t t 



Jpjtettg of Jptutal Jptatw* 



PHILADELPHIA. 



P^i?T II, APRIL-SEPTEMBER. 



PUBLICATION COMMITTEE. 



John H. Redfield, Edw. J. Nolan, M. D., 



Thomas Meehan, Charles E. Smith, 



George H. Horn, M. D. 



EDITOR : Edward J. Nolan, M. D. 



PHILADELPHIA : 



THE 



ACADEMY OF NATURAL SCIENCES, 



LOGAN SQUARE. 

 1893. 



