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KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Part 6. The following species have the throat not yellow ; belly, 

 yellow, and no white on the tail feathers : 



Throat, grayish or brownish; eye ring, 

 white; back, olive green. 



Connecticut Warbler. 



Geothlypis agilis. 

 See No. 520. 



Throat, grayish or ashy, changing to black 

 in adult male birds; no white eye ring. 



Mourning Warbler. 



Geothlypis Philadelphia. 

 See No. 521. 



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

 yellow, and more or less white on tail feathers : 



Upper throat, chestnut; breast, streaked 

 with black ; back, greenish ; rump, yellow ; 

 much white on wing coverts. 



Cape May Warbler. 



Dendroica tigrina (advM male) . 

 See No. 495. 



