Bui. 109, Part I, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate I. 



Fig. 1.— Geared Traction Sprayer Suitable for the Treatment of Sugar Beets 

 Against the Hawaiian Beet Webworm. (Original.) 



Fig. 2.— Geared Traction Sprayer in Operation in Sugar-beet Field Against the 

 Hawaiian Beet Webworm. (Original.) 



