28 



Bright yellowish-olive above ; rich yellow 



beneath ; no white ; no streaks or marks, 



Female Wilson's Warbler. 



Rich olive above, grayer on head ; rich 



yellow beneath, becoming whitish on belly, 



Female Maryland Yellow-throat. 



Brownish-olive above streaked with black ; 



two white bars on wing and much white 



on tail. Female Blackburnian Warbler. 



Yellowish-olive above spotted with black ; a 



little white on wings and tail ; breast and 



sides streaked with blackish, 



Female Cape May Warbler. 

 gg. Chin and throat not bright 3'ellow. 

 h. Chin and throat w^holly or largely black, often 

 more or less veiled with yellowish or ashy. 

 i. Upper parts yellow-olive or bright yellow^ 

 Much white on wings and tail, 



Black-throated Green Warbler. 

 No white on wings and tail, 



Male Mourning Warbler. 

 ii. Upper parts slaty-blue. 

 Patch on wing white, 



Male Black-throated Blue Warbler, 

 Patch on wing, and crown, yellow. 



Golden-winged Warbler. 

 hh. Chin and throat pure white. 



Crown gray ; much yellow on wings and 

 tail. Female Redstart. 



Crown yellow ; sides chestnut. 



Chestnut-sided Warbler. 



Center of (A'own, rump and sides of breast 



yellow ; breast and sides mostly black, 



Myrtle Warbler. 



