I. 

 Moisture at 100'^ C, 13.80 



Potassium oxide, 5.56 



Phosphoric acid, 1.74 



Calcium oxide, 34.60 



Insoluble matter, 10.00 



325-329. I. Received from Sunderland, Mass. 



II. Received from Concord, Mass. 



III. Received from Concord, Mass. 



IV. Received from Concord, Mass. 

 V. Received from Concord, Mass. 



Per cent. 

 I. II. III. IV. V. 



Moisture at 100* C, 14.45 25.26 11.25 20.52 26.37 



Potassium oxide, 6.44 5.24 5.20 5.28 4.36 



Phosphoric acid, 1.70 .51 1.88 1.34 .74 



Insoluble matter, 10.37 11.91 11.74 15.30 15.69 



330-334. I. Received from Concord, Mass. 



II. Received from Amherst, Mass. 



III. Received from South Lancaster, Mass. 



IV. Received from Townsend, Mass. 

 V. Received from Sunderland, Mass. 



Moisture at 100° C, 



Potassium oxide. 



Phosphoric acid. 



Calcium oxide. 



Insoluble matter, 



335-339. !• Received from Concord, Mass. 



II. Received from North Hadley, Mass. 



III. Received from North Hatfield, Mass 



IV. Received from North Hatfield, Mass 

 V. Received from Chicopee, Mass. 



Per cent. 

 I. 



Moisture at 100^ C, 24.47 



Potassium oxide, 5.76 



Phosphoric acid, .97 



Insoluble matter, 13.89 



*Not determined. 



