Soluble Phosphoric acid, 

 Reverted Phosphoric acid, 

 Insoluble Phosphoric acid, 

 Potassium oxide, 

 Nitrogen, 



845-84Ct I- Sludge Cake, received from Worcester, Mass. 



II. Cork Dust, received from South Framingham, 

 Mass. 



Moisture at 100° C, 

 Phosphoric acid. 

 Potassium oxide, 

 Nitrogen, 

 Calcium oxide. 

 Magnesium oxide, 

 Insoluble matter. 



847. Kilii dust from brewery. 



Moisture at 100" C, 

 Phosphoric acid, 

 Potassium oxide. 

 Nitrogen, 

 Calcium oxide. 

 Insoluble matter, 



Per Ceut. 

 9.72 

 .96 

 2.16 

 4.32 

 .78 

 7.11 



MANURES. 



848-852. I., II., III., IV. and V. Received from Amherst, 



Mass. 



*Kot determined. 



