GROUND BONE, TANKAGE, DRY GROUND FISH AND 



BONE FIBRE. 



2047-2050. I. Ground bone, received from Littleton Common, 

 Mass, 

 II. Tankage, received from Concord. Mass. 



III. Dry ground fish, received from Bradstreet, Mass. 



IV, Bone fibre, received from Natick, Mass. 



DISSOLVED BONE BLACK AND BURNED BONE. 



2051-2052. I, Dissolved bone black, received from Bradstreet. 

 Mass. 

 II. Burned bone, received from Taunton, Mass. 



Moisture at ioo°C., 

 Total phosphoric acid, 

 Soluble phosphoric acid. 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid, 



MISCELLANEOUS REFUSE SUBSTANCES. 



2053-2056. I and II. Mill dust, received from East Walpole, Mass. 



III, Refuse from washing wool, received from 



Clinton, Mass. 



IV, Cotton dirt, received from Amherst, Mass, 



* Not determined. 



