Vol. IV AFRIL, 1915 No. 1 



JOURNAL OF 



AGRICULTURAL 

 RESEARCH 



CONTENTS 



Phoma Destnictiva the Cause of a Fruit Rot of the Tomato - 1 



CLARA O. JAMIESON 



Availability of the Nitrogen in Pacific Coast Kelps - - - 21 



GUY R. STEWART 



Organic Constituents of Pacific Coast Kelps - - - - 39 



D. R. HOAGLAND 



Sources of the Early Infections of Apple Bitter-Rot - - 59 



JOHN W. ROBERTS 



A Bacteriological Study of Methods for the Disinfection of 

 Hides Infected with Anthrax Spores ----- 65 



F. W. TILLEY 



Observations on Rhizina Infiata ------ 93 



JAMES R. WEIR 



Pseudomonas Citri, the Cause of Citrus Canker - - - 97 



CLARA H. BASSE 



DEPARTMENT OF AGRICULTURE 



WASHINGTON, D.C. 



WASHINQTON : 60VEH»4»«ENT PRINTINO OFFICE : 1»- 



