Vol. VI JULY 24, 1916 No. 17 



JOURNAL OP 



AGRICULTURAL 

 RESEARCH 



CONTENTS 



Page 



The Disease of Potatoes Known as "Leak" - 627 



LON A. HAWKINS 



Digestibility of Hard Palates of Cattle ----- 641 

 C. F. LANGWORTHY and A. D. HOLMES 



Some Properties of the Virus of the Mosaic Disease of Tobacco 649 



H. A. ALLARD 



DEPARTMENT OP AGRICULTURE 



WASHINGTON, D.C. 



INGTON : GOVERNMENT PRINTING OFFICE : 1*1* 



