Bui. 273, U. S. Dept. of Agriculture. 
Plate ill. 
Fig. 1.— Screen at Salisbury Beach, Mass., where 266 Larv/e were Caught 
During May and June, 1913, and 96 in May, 1914. Showing Beach and 
Ocean in Background. (Original.) 
Fig. 2 —Screen at Plum Island, Mass., where 42 Larv/e were Caught in May, 
1914. Newburyport in Background 2 Miles West— Nearest Infested Tree 
Growth in that Direction. (Original.) 
SCREEN TRAPS FOR WIND-BLOWN GIPSY-MOTH LARV/E ON 
MASSACHUSETTS COAST. 
