Moisture at loo'' C, 

 Total phosphoric acid, 

 Soluble phosphoric acid, 

 Reverted phosphoric acid. 

 Insoluble phosphoric acid. 

 Potassium oxide. 

 Nitrogen, 

 Calcium oxide, 



SOILS. 

 1525-1528. I. Received from Rutland, Mass. 



II. Received from Brookfield, Mass. 

 Ill & IV. Received from Newton, Mass. 



Moisture at 100° C, 

 Potassium oxide, 

 Phosphoric acid, 

 Nitrogen, 

 Calcium oxide, 



I529-I532 



I. 

 II. 



Ill & IV. 



Received from Newton, Mass. 

 Received from North Adams, Mass. 

 Received from Brookline, Mass. 



Moisture at too° C, 

 Potassium oxide, 

 Phosphoric acid. 

 Nitrogen, 

 Calcium oxide, 



I533-I536* I. Received from Lenox, Mass. 



II, III & IV. Received from East Whately, Mass. 



Per Cent. 



Moisture at 100° C, 

 Potassium oxide. 

 Phosphoric acid, 

 Nitrogen, 

 Calcium oxide, 



*Not determined. 



