Bul. 1268, U. S. Dept. of Agriculture PLATE II 
FIG. |.—COLLAPSIBLE DROP-TRAP 
Used under cover for protection from the weather, at the station of Richard B. Harding, 
Cohasset, Mass. 
B2438 
FiG. 2.—COLLAPSIBLE DROP-TRAP (CLOSE VIEW) 
The trap illustrated above, with cover removed to show food hopper, by means of which a 
constant supply of bait is maintained during days when the trap is not operated. At such 
times birds are free to enter and leave at will 
