1919: 



CONTROL OF THE CACAO THBIPS 



93 



ng. 12. Fig. 13. 



Figs. 12 and 13.— Hose couplings. 

 The type of hose band figured (see fig. 14) is the best to use. It is 

 always well to have some extra couplings and hose bands in the field in 

 case of accidents to the hose. 



rig. 15. 



Fig. 15. — Pliers u.seful in sp'^aj- 

 jng work. 



Rods, Stopcocks, Nozzles and Pliers. 



Rods (fig. 8) used for spraying are generally made of brass or copper 



tubing with a bambao covering. It is important that the tube be well 



