278 AGRICULTURAL EXPERIMENT STATION. [Jan. 



6. Miscellaneous Analyses — Concluded. 

 " JSficotinia " (Insecticide). 



[Sent on from Syr 



C, 



Moisture at 100 



Ash, . 



Calcium oxide, 



Magnesium oxide. 



Potassium oxide (4| cents per pound) 



Phosplioric acid (6 cents per pound), 



Nitrogen (17 cents per jjound), . 



Insoluble matter, .... 



Valuation per ton. 



acuse, N. Y.] 



Per Cent. 



10.00 



27.37 



4.45 



.90 



9.15 



.67 



2.49 



2.12 



$17 05 



Hellebore {Insecticide). 

 [Sent on hj Joseph Breck & Son, Boston, Mass.] 



No. II. was evidently adulterated with ground clay. 



Peroxide of Silicate {Insecticide) . 



[Sent on from Amberst, Mass.] 



Per Cent. 



Moisture at 100° C, 1.65 



Calcium oxide, 41.18 



Sulphuric acid, 49.66 



Arsenious oxide, .57 



Copper oxide, .33 



Insoluble matter, 2.31 



Gypsum, with a trace of Paris green. 



