30(3 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Part 7. The following species have the throat, not yellow ; belly, 

 yellow, and more or less white on the tail feathers : 



Throat, black; forehead and sides of head, 

 yellow; crown, black. 



Hooded Warbler. 



Sylvania mitrata. 

 See No. 525. 



Upper throat, chestnut ; breast, streaked with black ; back, greenish ; rump, 

 yellow ; wing coverts, showing much white. 



Cape May Warbler. 



Dcndroica tigrina (adult male} . 

 See No. 495. 



Part 8. The following species have the throat, not yellow ; belly, not 

 yellow, and no white on the tail feathers ; breast, not streaked or spotted 

 with black or dark brown : 



Crown, with stripe of tawny buff, bor- 

 dered by black stripe ; a black stripe 

 through the eye. 



Worm Eating Warbler, 



Helmitherus vermivorus. 

 See No. 485. 



Crown, dull cinnamon brown; a white 

 stripe over the eye ; uuderparts, white, 

 faintly tinged with yellow ; sides, tinged 

 with grayish olive. 



Swainson's Warbler, 

 Helinaia swainsonii. 

 See No. 484, 



