Bu 256 U S Dept of Agr cu hire. 
P_-.-E Y. 
Fig. 1 .— A Row of Sprayed Orange Trees Before Picking. [The Tree in Fore- 
ground Representative of All Sprayed Trees.] (Original.) 
F 3. 2.— View in an Experimental Orchard in California. Original.) 
CONTROL OF KATYDIDS ON ORANGES. 
