Moisture at 100° C, 

 Potassium oxide, 

 Phosphoric acid, 

 Calcium oxide. 

 Insoluble matter, 



975-979. I- Received from South Deerfield, Maes. 



II., III. and IV. Received from Sunderland, Mass. 

 V. Received from Beverly, Mass. 



Percent. 

 I. 



Moisture at 100° C, 20.55 



Potassium oxide, 1.16 



Phosphoric acid, .64 



Calcium oxide, 43.50 



Insoluble matter, 3.91 



980-984. I- and II. Received from Asylum, Mass. 



III. Received from Hadley, Mass. 



IV. Received from Easthampton, Mass. 

 V, Received from Westfield, Mass. 



Per Cent. 

 I. II. 



Moisture at 100° C, 

 Potassium oxide. 

 Phosphoric acid. 

 Calcium oxide. 

 Insoluble matter, 



985-989. I- Received from Concord, Mass. 



II. and III. Received from South Amherst, Mass. 

 IV. Received from Fitchburg, Mass. 

 V. Received from Millis, Mass. 



