5(5 WARRLICR SOXC^S. 



V. Throat Yellow^, Under-parts Streaked or 

 Spotted. 



A. Belly while. 



:. Line over eye yellow in front of eye. Yellow-throated Warbler. 



2. Line over eye entirely white. Sycamore Warbler. 



B. Belly yellow. 



1. Streaks on the unclerparts rnfons brown. 



a. Crown yellow, back .s^reenish. Yellow Warbler. 

 ( NoTK. — The sonth-western form, with back yellower and streaks 



underneath almost obsolete, is Sonora Warbler. 



The darker form inhabiting Alaska to British Columbia, is Alaskan 

 Yellow^ Warbler). 



b. Crown Chestnut, back brownish. 



( I ). Undeparts soiled yellowish-white. Palm Warbler. 



(2). Underparts entirely bright yellow. Yellow Palm Warbler. 



2. Streaks or spots on the underparts black. 



a. A yellow spot on crown and rump. (Western). 



Audubon's Warbler. 



b. Back grayish, unstreaked ; a necklace of black 



.spots on the breast. Canadian Warbler. 



c. Back greenish, streaked with black ; crown bluish. 



Kirtland's Warbler. 



d. Back greenish, streaked with black ; ear-coverts rufous. 



Cape May Warbler. 



e. Back greenish, with a patch of rufous Vjrown. Prairie Warbler. 



f. Back black ; crown grayish ; tail black with a white 



band across the middle. ^lagnolia Warbler. 



