Bui. 38, Biological Survey, U. S. Dept of Agriculture. 



Plate II. 



Fig. 1.— St. Francis River Sunken Lands. Home of Wood Ducks, Tree Swallows, 

 Swifts, Redwings, Marsh Wrens, Etc. 



Fig. 2.— Canebrake in Primitive Hardwood Forest, Turrell, Ark. Home of 

 Bachman and Swainson Warblers. 



