Moisture at 100° C, 

 Potassium oxide, 

 Phosphoric acid, 

 Calcium oxide, 

 Insoluble matter, 



761-765. ^ I- Sulphate of Potash and Magnesia received from 



Amherst, Mass. 

 II. Muriate of Potash received from Amherst, Mass. 



III. " " '> " " W.vSp'gfield,Mass. 



IV. " " " " " Springfield, Mass. 

 V. Sulphate of Potash " " Amherst, Mass. 



Per Cent. 

 I. II. III. IV. V. 



Moisture at 100° C, 8.98 3.25 1.25 2.24 .81 



Potassium oxide, 24.05 49.24 48.32 52.10 49.55 



766-768. T. Dissolved Bone Black received from Amherst, Mass. 

 ir. Spent " " " " Hingham. " 



III. Acid Phosphate " " Amherst. " 



Per Cent. 

 I. II. HI. 



Moisture at 100° C, 12.42 1.16 12.27 



Total Phosphoric acid, 16.64 31.02 15.42 



Soluble " " 13.56 * 10.88 



Reverted " " 2.44 1.96 3.52 



Insoluble " " .64 29.06 1.02 



769-770. I- Dissolved Bone Meal received from Amherst, Mass. 



II. Steamed " " " " " " 



*Not determined. 



