COMMERCIAL FERTILIZERS. 



343 



III. 



Darling's Fine Bones. 

 (Collected of Messrs. Parker & Gannet, Boston, Mass.) 



Moisture at 100°-110° C. 

 Organic and volatile matter 

 Ash constituents . 

 Total phosphoric acid . 

 Nitrogen 

 Insoluble matter . 



Per cent. 



7.96 



42.81 



57.19 



23.09 



4.29 



1.25 



IV. 



Pure Ground Bones of A. L. Avms. 

 (Sent by Mr. Preston.) 



Moisture at 100° C. 

 Organic and volatile matter 

 Ash constituents . 

 Total phosphoric acid 

 Nitrogen . . . 



Insoluble matter . 



Per cent. 



9.25 



46.25 



53.75 



20.61 



3.79 



6.00 



C. W. Belknap Sf Low, Portland, Me. 

 (Collected of Uice Brothers, Worcester, Mass.) 



Moisture 



Organic and volatile matter 



Ash constituents . 



Total phosphoric acid 



Nitrogen 



Insoluble matter . 



Per cent. 



8.070 

 46.950 

 53.050 

 21.300 



4.698 

 .210 



Animal Matter. 



(Sent by Hon. J. B. Moore, Concord, Mass.) 



