APRIL, 1920 



ENTOMOLOGICAL NEWS 



Vol XXXI. 



No. 4 



ASA FITCH 

 1809-1879 



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

 E. T. CRESSON. JR., Associate Editor. 



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





ADVISORY COMMITTKK : 



EZRA T. CRESSON, 

 PHILIP LAURENT, 



J. A. G. REHN, 

 H. W. WENZKL. 



LANCASTER, PA., AND PHILADELPHIA, PA. 



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



Acceptance for mailing at the special rate of postage provided in Section noj. 



Act of October 3, 1917. authorized on July 19, 1918. 



