DISEASES AND INSECTS. 



381 



a common bellows without a valve, Fig. 149. 

 The sulphur is poured into the hole on the top, 

 B, which is stopped with a cork attached to a 

 string. The nozzle A, is about an inch in di 



149. 



ameter,made of tin, and curved upward, and the 

 hole at the end covered with wire gauze for 

 dividing the sulphur, and surmounted with a 



Fig. 150. 



spreading or basket-like end piece to give it 

 direction. A similar contrivance, but more 

 complicated, is shown in Fig. 150. The sulphur 



