WARBLERS 486 



h*. White eye ring present, 

 i.'. Back ashy greenish. Orange-crowned Warbler, 



(immature), 

 i''. Back olive green, washed with brownish. Nash- 

 ville Warbler, (immature) . 

 §§. Throat not yellowish, yellow or orange colored. 

 ?. Bell)' yellow, 

 a^ Throat black. Hooded Warbler, 

 a*. Throat not black. 



b'. White eye ring present. Connecticut Warbler, 

 b^ White eye ring not present. Mourning Warbler. 

 ??. Belly not yellow but white or whitish, 

 a'. Back and crown blue. Black-throated Blue Warbler, (male), 

 a*. Back and crown not blue, 

 b'. Back and crown bright olive green. Black-throated Green 



Warbler, 

 b^. Back and crown not bright olive green. 

 c\ Center of wings and base of tail salmon color. American 



Redstart, (male). 

 c*. Center of wings and base of tail not salmon color, 

 d'. Cap, throat and sides chestnut; no white line through 



center of crown. Bay-breasted Warbler, (male), 

 d*. Cap, throat and sides not chestnut ; a white line through 

 center of crown. Black and White Warbler, (male). 

 B. Plumage streaked or spotted below on breast, sides or belly. 

 1. Throat white, streaked or unstreaked. 

 §. Back not spotted or streaked. 

 ?. No white or yellow spots in tail. 



a\ Center of crown rufous, bordered by black. Oven-bird, 

 a*. Center of crown not rufous, not bordered by black, 

 b^ Line over eye white; wing over 3.00. Louisiana Water 



Thrush, 

 b^. Line over eye buffy ; wing under 3.00. Water Thrush. 

 ??. Tail with white or yellow spots. 



a\ Base of primaries and base of tail feathers yellow. American 



Redstart, (female and immature). 

 a''. Base of primaries and of tail not yellow, 

 b'. Back greenish; cheeks yellow. Black-throated Green 



Warbler, (immature), 

 b^. Back and cheeks grayish. Cape May Warbler, (female 

 and immature). 

 §§. Back spotted or streaked. 



?. Sides streaked with chestnut. 



a'. Wing bars white ; wing over 2.50. Bay-breasted Warbler, 

 (female). 



