PREPARATIONS OF FISH. 



329 



ni. 



Fine-ground Fish. 

 (Bradley Fertilizer Co., Boston, Mass.) 



Organic and volatile matter 

 Ash constituents 

 Phosphoric acid in ash 

 Nitrogen in organic matter 



Per cent. 



80.42 



19.58 



7.41 



7.71 



Valuation per ton of two thousand pounds : — 



148.2 poimds of phosphoric acid .... 

 154.2 pounds of nitrogen ...... 



IV. 



Half-dry Fish. 

 (Quinnipiac Co., D. A. Horton, Northampton, Mass.) 



$7 41 

 30 84 



138 25 



Valuation per ton of two thousand pounds : — 



120.4 pounds of nitrogen .... 

 89.6 pounds of phosphoric acid . 



$24 08 

 5 38 



130 46 



Sediment from Water coming from Fish-Press. 

 (Specimen sent on for examination.) 



Moisture lost at 100° C 



Residue left at 100° C 



Nitrogen in residue ....... 



Phosphoric acid in residue ..... 



Per cent. 



76.54 



23.46 



1.34 



.40 



Valuation per ton of two thousand pounds : ^- 



8 pounds of phosphoric acid .... 

 26.8 pounds of nitrogen 



mo 



5 36 



$5 76 



^ 



