12 



234. Fertilizer sent on by the Sec. of the Hampshire, Franklin, and 

 Hampden Agricultural Society. (Potassa mainly present 

 as carbonate). 



235. William Clark & Co.'s "Americus" Ammoniated Bone Super- 

 phosphate. Collected of B. L. Bragg & Co., Springfield, 



236. 



237. 



* Guaranteed composition ; total phosphoric acid 10 to 13 

 per cent. ; soluble phosphoric acid 6 to 8 per cent, reverted 

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

 1 to 2 per cent. ; potassium oxide 1 to 2 per cent. ; am- 

 monia 2 to 3 per cent., (eqvivalent to nitrogen 1.65 to 

 2.50 per cent.) 



Quinnipiac Extra Superphosphate. Collected of B. L. Bragg 

 & Co., Springfield, Mass. 



Guaranteed composition ; total phosphoric acid 10 to 12 

 per cent. ; soluble and reverted phosphoric acid (available) 

 8 to 10 per cent. ; potassium oxide (in form of sulphate) 2 

 to 4 per cent. ; nitrogen If to 2^ per cent. 



Sparrow's Grass Fertilizer, of Judson & Sparrow, Boston, 

 Mass. Collected of Everett & Gleason, Boston, Mass. 



Guaranteed composition ; soluble and reverted phosphoric 

 acid, 8 to 9 per cent. ; potassium oxide, 4 to 5 per cent. ; 

 ammonia, 5 to 6 per cent., (equivalent to nitrogen 4.12 to 

 5 per cent.) 



C. A. GOESSMANN, Director, 



Amherst, Mass. 



