PHOSPHATIC SLAG. 



1285-1287. I. Received from Berlin, Mass. 



II, Received from Waltham, Mass. 

 III. Received from Grafton, Mass. 



Moisture at 100" C. 

 Total phosphoric acid, 

 Available phosphoric acid, 

 Insoluble phosphoric acid, 

 Calcium oxide. 



GUANO AND MANURES. 



1288-1290. I. Bat Guano, received from Boston, Mass. 



II. New York horse manure, received from North 



Hadley, Mass. 

 III. Sheep manure and wool waste, received from West 

 Millbur}-, Mass. 



PER CEXT. 



I. II. III. 



Moisture at 100' C., 4.72 71.68 7.13 



Phosphoric acid, 14.00 .38 .64 



Potassium oxide, 1.20 .59 2.20 



Nitrogen, • 1.70 .53 2.63 



Calcium oxide, 11.20 * * 



Insoluble matter, 18-55 * * 



SUGAR BEET REFUSE AND CASSAVA WASTE. 



1291-1292. I. Sugar. beet refuse, received from New York City. 

 II. Cassava waste, received from Amherst, Mass. 



Moisture at 100' C, 

 Phosphoric acid, 

 Total potassium oxide, 



•Not determined. 



