266 AGRICULTUEAL EXPERIMENT STATION. [Jan. 



5. Analyses, etc. — Coutiuued. 



Bones boiled in Potash. 

 [Sent on from South Framingham, Mass 



Moisture at 100° C, 

 Organic and volatile matter. 

 Total phosphoric acid, . 

 Soluble phosphoric acid, 

 Ileverted lihosi^horic acid, 

 Insoluble jjhosiohoric acid, 

 Potassium oxide, . 

 Nitrogen, 

 Insoluble matter, . 



Per Cent 



10.96 



40.52 



20.85 



0.06 



11.25 



9.54 



4.33 



2. GO 



0.12 



Starch Waste, 



[Sent on from Rubber Factory, Hudson, Mass.] 



Per Cent. 



Moisture at 100° C. 10.01 



Ash, 0.23 



Nitrogen, 0.026 



'■'' Sludge'' from Worcester Setvage Precipitating Tanks. 

 [Sent on by J. G. Jefferds, Worcester, Mass.] 



