10 



194. LIME KILN ASHES. 

 Collected of R. T. Prentiss, Holyoke, Mass. 



195. ONONDAGA PLASTER. 



Sent ou by H. D. Fearing, Amherst, Mass. 



194 195 



POUNDS PER HUNDRED. 



Moisture at 100° C, ------- 30.70 22.55 



Calcium oxide, » - - 37.55 29.80 



Magne.sium oxide, - 3.68 4.32 



Potassium oxide, - 170 



Phosphoric acid, - 1.27 



Carbonic acid, 17.83 8.80 



Sulphuric acid, - - 31.58 



Insoluble matter, - 3.30 \ 10.70 



Both articles are fair specimens of their kind. The lime kiln ashes 

 sold at 22 cts. per bushel, and the New York gypsum at from 6 to 7 

 dollars per ton at their respective selling places. 



196. CRUDE KIESERITE. 



Of Randall Fertilizer Co., Boston, Mass. 



Sent on by C. P. Preston, Danvers, Mass. 



Moisture at 100° C, 28.12 



Magnesium oxide, 17.45 



Calcium oxide, 3.13 



Sulphuric acid, 36.87 



Insoluble matter, 3.62 



The sample contained 48.6 per cent, of sulphate of magnesia, from 

 7 to 8 per cent, of gypsum, and 2.23 per cent, of chloride of mag- 

 nesium ; it is consequently of fair quality. 



197. DRY FISH. 



Quinnipiac Co.'s dry ground fish. 

 Collected of D. A. Hortou, Northampton, Mass. 

 Guaranteed composition ; soluble and reverted (available) phosphoric 

 acid, 2 to 4 per cent. ; total phosphoric acid, 6 to 8 per 

 cent. ; nitrogen, 7 to 9 per cent., (equivalent to ammonia 9 

 to 11 per cent.). 



198. Dry fish, collected of H. L. Phelps, Northampton, Mass. 



Guaranteed composition; total phosphoric acid, 6 to 8 

 per cent.; ammonia, 10 to 12 per cent., (equivalent to 

 nitrogen, 8.24 to 10 per cent.). 



