718 BOAED OF AGRICULTURE. 



Soap-grease Hesidue. 



[Sent on from South Lincoln, Mass.] 



Per cent. 



Moisture at 100° C, 38 79 



Total phcsphoric acid (5 cents per potiiid) , . . . . 11.04 



Insoluble phosphoric acid, 8.93 



Reverted phosjihoric acid, 2.11 



Potassium oxide (4| cents per pound), 0.14: 



Xitrogen (12 cents per ijound), 2.21 



Insoluble matter, ' 1.20 



Valuation per 2,000 pounds, $16 24 



Soup from Horse-rendering Estahlishment. 



[Sent on from Arlington, Mass.] 



Ter cent. 



Moisture at 100° C, 92.14 



Total phosphoric acid (6 cents per pound), .... 0.14 



Nitrogen (15 cents per pound), 1.12 



Valuation per 2,000 pounds, ?3 53 



Fish. 



[I. Dried Fish ; sent on by Swanzey Farmers' Club, Swanzcy, Mass. II. Fish and 

 Potash ; sent on from Medfield, Mass. III. Fish Bone and Potash ; sent on from 

 Concord, Mass.] 



