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Vol. XV DECEIVIBKRL 16, 1918 No, 1 1 



JOURNAL OP 



AGRICUIvTURAIv 



RESEARCH 



CONTENXS 



Pt8« 



Bacteriological Studies on Alfalfa Silage - - - 571 



O. W. HUNTER 



(Contribution bom Kansas Agricultural Experiment Station) 



Brown Canker of Roses, Caused by Diaporthe umbrina - 593 



ANNA E. JENKINS 

 ( Contribution from Bureau of Plant Industry) 



Effect of Carbon Disulphid and Toluol upon Nitrogen- 

 Fixing and Nitrifying Organisms - - - - 601 



P. L. GAINEY 



(Contribution from Klansas Agricultural Experiment Station ) 



Multiple Pipette Holder for the Distribution of Serum for 



the Complement-Fixation Test ----- 615 



FRANCOIS H. REYNOLDS 



(Contribution from Bureau of Animal Industry) 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 



WITH THE COOPERATIOiN OF THE ASSOCIATION OF AMERICAN 



AGRICULTURAL COLLEGES AND EXPERIMENT STATIONS 



w:a.shii>jgtpn, d. c. 



WABHINQTON : OOVEnNMEWT PRINTINIt OrPlOE I )«IB 



