

STORAGE 





MAY, 1920 



tJENTOMOLOGlCAL NEWS 



'ogTcaf 



^ Medical 



Vol XXXI. 



No. 5 



Asa Fitch 

 I 809- I 879 



PHILIP P. CALVERT, Ph. D., Editor. 

 E. T. CRESSON. Jr., Associate Editor. 



HENRY SKINNER, M. D., Sc. D., Editor Emeritus. 



Advisory Committee : 



Ezra T. Cresson. 

 Philip Laurent, 



J. A. G. Rehn, 

 H. W. Wenzbl. 



LANCASTER, PA., .^nd PHILADELPHIA. PA. 



Entered at the Lancaster. Pa., Post-Office as Second Class Matter 



Acceptance for maUing at the special rate of postage provided in Section 1103. 



Act of October 3, 1917. authorized on July 19. I9x8. 



