31 AGRICULTURAL EXPERIMENT STATION. [Jan. 



CHICAGO GLUTEN MEAL. 



9G.81 per cent, passed through Mesh 144 to square inch. 



The material is sold at Springfield, Mass., at $23.20 per 

 ton. 



Analysis of Gluten Meal with reference to Fertilizing Constituents. 



Per cent. 



Moisture at 100^ C, 8.83 



Phosiihoric acid (6 cents per pound), 0.30 



Ferric oxide, 0.05 



Magnesium oxide, 0.03 



Calcium oxide, 0.03 



Potassium oxide (4^ cents per pound), 0.03 



Sodium oxide, 0.02 



Nitrogen (17 cents per j)ound), 4.62 



Valuation per 2,000 pounds, . $16 15 



