Bul. 1268, U. S. Dept. of Agriculture PLATE III 
B2439 
FiG. |.—TREE-TRUNK TRAP 
Operated at station of Richard B. Harding, Cohasset, Mass. 
B2367 
FIG. 2.—FOLDING WARBLER-TRAP 
Used by T. Donald Carter and R. H. Howland in conducting studies with Brewster warblers. 
The trap contains an adult male of this species 
