

KO ,b 



JUNE, 1920 



airOMOLOGICAL NEWS 



Vol XXXI. 



No. 6 





Asa Fitch 

 1 809-1 879 



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. Wenzel. 



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 Ii03i 



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



