COMMERCIAL FERTILIZERS. 



229 



III. 



Ground Bones. 



(Messrs. Deiknap & Son, Portland, Mc. ; collected of Messrs. Rice Brothers, 



Worcester, Mass.) 



Per cent. 



IV. 



Flour of Bones. 

 (Messrs. Rafferty & Williams, New- York City ; collected of Messrs. Hough- 



ton, Garland, & Sears, Worcester, Mass.) 



Moisture lost at 100° C. 

 Organic and volatile matter 

 Ash constituents . 

 Total phosphoric acid . 

 Total nitrogen 

 Insoluble matter, sand, etc. 



Per cent. 



4.10 



42.84 



57.16 



23.52 



3.16 



1.50 



Flour of Bones. 

 (B. Randall, Boston, Mass.) 



Moisture lost at 100° C. 

 Organic and volatile matter 

 Ash constituents . 

 Total phosphoric acid . 

 Total nitrogen 

 Insoluble matter, sand, etc. 



Per cent. 



6.33 



44.33 



55.67 



22.71 



4.36 



1.60 



VI. 



Ground Bones. 

 (Messrs. B. Arnold & Co., Boston, Mass.) 



