fhe Attacls of Insects and Fungi. 
245 
Another good nozzle is the cyclone, or Riley nozzle (Fig. 16), 
which, like the A^ermorel, has for its principal feature the situa- 
tion of the inlet into the chamber as shown at e. This causes 
a rapid centrifugal movement of the liquid, which issues through 
2. 
Fig. 1G.— The Riley nozzle. 
the cap c in a funnel-like spray regulated by the size of the 
aperture. At 1 is given the typical small-stemmed nozzle as 
it appears when removed from the chamber. The circular body 
1 2 
Fig. 17. — The Climax nozzle. 
of this cap is chambered out inside and screws down to the 
bottom of 1, the orifice d coming in juxtaposition with e shown 
in the section 2. These parts should meet accurately. The 
face of the cap is shown at c. 
