EXPERIMENT STATION BULLETINS. 



221 



1911, expressed in parts per one hundred. — Con. 



! 17.90 



12. 'J2 



1.16 



0.82 



14 



16.74 



10 



12.10 



8.15 



3.30 

 3.29 



9.85 



44 



9.41 



9.44 



10.65 



1.20 

 1.56 



0.80 

 1.27 



10.50 



0.86 



1.59 



9.79 



2.93 



8.91 



2.50 

 3.70 



12.32 



1.85 



10 



10.47 



1.83 



14 00 



16 74 



17 20 

 19 44 



25 5!) 

 28 95 



11 70 



12 43 



14 61 

 18 03 



13 94 

 17 05 



