Family MNIOTILTID^. Warblers. 



First primary, not short, never less than two-thirds as long as third, 

 and often nearly the same length ; bill, slender and pointed ; back of 

 tarsus, thin and sharp, not rounded as in front; hind toe and claw, 

 not longer than middle toe and claw. 



Setophaga ruticilla. 



Dendroica. 



Seiurus. 



Wilsonia. Dendroica. 



Helmitherus. 



Setophaga. 



