Vol. xvn skf»xje:mbe:r 15, 1919 No. 6 



JOURNAL OP 



AGRICULTURAL 



RESEARCH 



CONTKNXS 



Page 



Investigations on the Mosaic Disease of the Irish Potato - 247 



E. S. SCHULTZ, DONALD FOLSOM, F. MERRILL 

 HILDEBRANDT, and LON A. HAWKINS 



(Contribution from Bureau of Plant Industry ) 



Temperature in Relation to Quality of Sweetcorn •- - 275 

 NEIL E. STEVENS and C. H. HIGGINS 



( Contril>ution from Bureau of Plant Industry) 



Variation of Ayrshire Cows in the Quantity and Fat Con- 

 tent of Their Milk _-_-_- - 285 

 RAYMOND PEARL and JOHN RICE MINER 



( Contribution from Maine Agricultural Experiment Station ) 



Index and Contents of Volume XVII - _ - - 323 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 



WITH THE COOPERATION OF THE ASSOCIATION OF AMERICAN 



AGRICULTURAL COLLEGES AND EXPERIMENT STATIONS 



V^ASHINOTTON, r>. C. 



WAtHINQTON ! OOVEKNMENT PRINTINO OFTICe t l»l| 



