AGRICULTURAL EXPERIMENT STATION. 31 



Solubility of Certain Nitrogenous Matkuials in Trpsin Solutfox. 



Materials ITsed. 



Per Cent, of Total Nitrogen 

 Dissolved as found by 



Shepai-d 

 & Chazal, 



Conn. Maine 



Expt. Sta. Expt. Sta. 



Dried Blood 



Cotton Heed Meal 



Ground Rone 



Dried Flesli 



Dried Fish 



Fish Scrap 



Tankage 



Wool Waste 



Leather 



Horn and Hoof Meal 



* 20 samples. t 7 samples 



90. 8\ 

 7S.6i 



98.2 



83.2 



85.7 S-84.0 



83.1 



93.3 



88. 6\ 

 84.6/ 



61.3 



37.8 



86.6 



96.8 \ 9- 3 

 97.9]^' "^ 



92.7 



52. to 99.* 

 av. 78. 



78.7-) 

 85.4 ^80. 5 

 77. 5J 



58. to 72. t 

 av. 66. 



4.8 



25.4 

 35.9 

 33.3 



7.2 

 22.4 



28.2 



34 9 



19.3 



97.31 



93.3 Ig-g 



97.6 I '^^■^ 

 95. IJ 



68.3 



75.7] 

 75.4 y 76.5 

 78-. 4 J 



59.21 rrr. Q 



82.6 (-'^-^ 



58-0 ) -o o 



48 



26.5 



6.5\ 1^ - 



7.7r'-^ 



25.6 



