11 



270. L. L. Crocker's Ammoniated Bone Superphosphate. Col- 



lected of Chas. W. Sears, Worcester, Mass. 



Guaranteed composition: soluble phosphoric acid, 6 to 8 

 per cent. ; reverted phosphoric acid, 2 to 4 per cent. ; in- 

 soluble phosphoric acid, 1 to 2 per cent. ; ammonia, 3^ to 

 4^ per cent, (equivalent to nitrogen 2.9 to 3.7 per cent.) ; 

 potassium oxide, 1 to 3 per cent. 



271. Quinnipiac Co. Dry Ground Fish. Collected of D. A. Mor- 



ton, Northampton, Mass. 



Guaranteed composition : nitrogen, 7 to 10 percent. ; sol- 

 uble and reverted phosphoric acid, 4 to 6 per cent. ; total 

 phosphoric acid, 6 to 8 per cent. 



272. Quinnipiac Co. Phosphate. Collected of D. A. Horton, North- 



ampton, Mass. 



Guaranteed composition : nitrogen, 21 to 3^ per cent. ; 

 soluble and reverted phosphoric acid, 8 to 10 per cent. ; in- 

 soluble phosphoric acid, 1 to 3 per cent. ; potassium oxide, 

 2 to 3 per cent. 



273. Fertilizer sent on for examination by farmers' club near Wor- 



cester, Mass. 



Moisture at 100° C, 

 Total phosphoric acid. 

 Soluble " '' 



Reverted " '■'• 



Insoluble '' " 

 Potassium oxide. 

 Nitrogen, 

 Insoluble matter. 



Valuation per 2000 pounds, $29.98 $37.21 $32.65 $34.55 



274. Bradley's X L Ammoniated Bone Superphosphate. Collected 



of J. & J. A. Rice, Worcester, Mass. 



Guaranteed composition: nitrogen, 2^ to 3| per- cen^ ; 

 (ammonia, 3 to 4) ; soluble phosphoric acid, 7 to 8 per 

 cent. ; reverted phosphoric acid, 2 to 3 per cent, insoluble 

 phosphoric acid, 2 to 3 per cent. ; total phosphoric acid, 11 

 to 14 percent. ; potassium oxide, 2 to 3 per cent. 



275. Bosworth Brothers' Superphosphate of Lime. Collected of 



Wilson & Holden, Worcester, Mass. 



Guaranteed composition : nitrogen, 2 to 2^ per cent. ; sol- 

 uble phosphoric acid, 7 to 8 per cent. ; reverted phosphoric 

 acid, 4 to per cent. ; insoluble phosphoric acid, 2 to 3 per 

 cent. ; potassium oxide, 2 to 3 per cent. 



