800-892t I. Received from Grafton, Mass. 



II. and III. Received from Amesbury, IMass. 



Per Cent. 



Moisture at 100° C. 



Organic and volatile matter, 



Ash, 



Potassium oxide, 



Phosphoric acid, 



Nitrogen, 



Calcium oxide, 



Ferric and aluminum oxide. 



Chlorine, 



Acidity, 



*Not determined. 



IT. 

 ANALYSES OF PARIS GREEN AND OTHER INSECTICIDES. 



The material, which served for our investigations was collected 

 during the month of December, 1900 and of January, 1901 of deal- 

 ers in our State. 



893-897. I- Paris green manufactured by I. Pfeiffer, New York 

 City. Bought in Springfield, Mass., Dec. 15, 190u. 



II. Paris green manufactured by A. B. Ansbacher & Co., New 

 Y^ork City. Bought in Springfield, Mass., Dec. 15, 1900. 



III. Paris green manufactured byAlsberg & Pfeiffer, New Y^'ork 

 City. Bought in Springfield, Mass., Dec. 15, 1900. 



IV. Paris green manufactured by Hampden Paint & Chemical 

 Co., Springfield, Mass. Bought in Springfield, Mass., Dec. 

 15, 1900. 



V. Paris green manufactured by Cawley, Clark & Co., Newark, 

 N. J. Bought in Springfield, Mass., Dec. 15, 1900. 



Per Cent. 

 I. 



Moisture at 100^ C, .71 



Copper oxide, 30.59 



Arsenious oxide, 57.44 



