"weevil" in grain. 171 



kind, be brought into the vicinity until the fumes have 

 entirely passed away, no trouble will be experienced." 



Cost. — Carbon bisulfide may be secured through any 

 retail or wholesale druggist in cans of various sizes. In 

 considerable quantities it may usually be secured from 

 wholesale houses and manufacturers at from 8 to 10 cents 

 per pound, and in smaller quantities from retailers at 15 

 or 20 cents. 



