Vol. VI MAY 29, 1916 No. 9 



JOURNAL OF 



CONTENTS 



A Western Fieldrot of the Irish Potato Caused by Fusarium 

 radicicola * - - - - - - - - - 297 



O. A. PRATT 



Comparative Study of the Root Systems and Leaf Areas of 

 Com and the Sorghums - - - - « -311 



E. C. MILLER 



Production of Clear and Sterilized Anti-Hog-Cholera Serum 333 

 M. DORSET and R. R. HENLEY 



DEPARTMENT OF AGRICULTOEE 



WASHINGTON, D.C 



WA6HIN0TON : OOVEnNMENT PSINTINQ OFFICE : 1818 



