EXPERIMENT STATION BULLETINS. 



239 



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



0.82 

 0.98 



3.75 

 3.97 



10.82 



1 22 



9.60 



23 



23.45 



4.00 



50 



51.46 



14 71 

 10 92 



30 78 



31 86 



45 00 



46 31 



51 58 

 51 51 



11.25 



0.49 



10.76 



10 



9.22 



29 26 

 29 49 



