INSECTICIDES— 
A. Tobacco smoke. 
B. Pyrethram. 
C. Hydrocyanic acid. 
D. Formaldehyd gas. 
E. Sulphur dioxide. 
F. Coal oil. 
G. Arsenical compounds. 
H. Phosphorus. 
I. Cobalt salts. 
J. Carbon bisulphid for mosquitoes, adults, pupje, and larv 
Ants, 
Mosquitoes, 
Roaches, 
Fleas, 
Flies, etc. 
