EXPERIMENT STATION REPORT. 



355 



1. Bone Fertilizers. Sent by John Sanborn, Lawrence, Mass. 



2. Pure Fine Ground Bones. Sent from Amherst, Mass. 



"Jwenco," Al, Peruvian Guano. 



(Sent by Joseph C. Cozzen, Swansea, Mass.) 



Per cent. 



Moisture, at 100° C , 8.35 



Total phosphoric acid, 10.03 



Soluble phosphoric acid, 2.99 



Reverted phosphoric acid, 1.72 



Insoluble phosphoric acid, 5.32 



Potassium oxide, 3.84 



Nitrogen, 5.62 



Valuation per two thousand pounds, $14.82. 



PEAT. 



1. Sent from Harwich, Barnstable Co., Mass. 



2. Sent from Hudson, Worcester Co., Mass. 



3. Sent ft-om Holyoke, Hampden Co., Mass. 



