PROCEEDINGS 



OF THE 



American Philosophical Society 



HELD AT PHIL4pEfL^^IA 



FOR PROMOTING USEFUL iWo^L^DGE 

 Vol. LVIII. 1919. No. 5. 



CONTENTS 



PAGE 



The Basis of Sex Inheritance in Sphaerocarpos. By Charles E. Allen 389 



The Application of Sanitary Science to the Great War in the Zone of the 



Army. By Bailey K. x\shford . . . . . -317 



PHILADELPHIA 

 THE AMERICAN PHILOSOPHICAL SOCIETY 



104 South Fifth Street 

 1919 



