CENTENARY COMMITTEE ON PRINTING 

 AND PUBLICATION 



HENRY SKINNER, M. D. 

 HENRY A. PILSBRY, Sc. D. 

 WITMER STONE, A. M. 

 WILLIAM J. FOX. 

 MILTON J. GREENMAN, M. D. 

 PHILIP P. CALVERT, Ph. D. 

 Ex-Officio, HON. SAMUEL G. DIXON, M. D., LL. D. 



Editor, EDWARD J. NOLAN, M. D. 



