14 HOW TO TEACH BEETLES, BUGS, AND LOCUSTS. 
This wire having been bent into a hoop, is fastened 
firmly to the end of a stick, preferably a broom¬ 
stick, perhaps four feet long. The bag should be 
loose enough to fit over a wire hoop 8" or io" in 
diameter. 
The net is to be used in catching insects on the 
wing. 
2. The cyanide bottle is any large bottle having 
a wide mouth into which is first put several frag¬ 
ments of potassium cyanide and then these frag¬ 
ments are covered with a cream of plaster of Paris. 
When the plaster has hardened, the superfluous 
moisture should be wiped out with blotting paper. 
