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- 



ng. 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 



