JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 



245 



Crown, back, and rump, green (tinged with gray ) , without streaks ; 

 two outer tail feathers with oblique white spots; lores, yellow. 



Dendroica vigor sii. 

 Pine Warbler. 



See No. 323. 



Crown, back, and rump, green; sides of head, yellowish; at least 

 half of outer web of outer tail feather, edged with white ; sides more 

 or less faintly streaked; rump, same color as back. 



Dendroica virens (female and fall plumage ) . 

 Black-throated Green Warbler. 

 See No. 321. 



Crown, olive; more or less speckled with black; back, olive; 

 rump, yellow or greenish yellow; breast with numerous streaks; no 

 white on outer web of outer tail feathers; sides of head and neck, more 

 or less tinged with yellow. 



Dendroica tigrina (female and immature at some seasons}. 



Cape May Warbler. 

 See No. 310. 



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. 



Oporornis agilis. 

 Connecticut Warbler. 



See No. 330. 



Throat, grayish or ashy, chang- 

 ing to blackish on breast in adult 

 male birds; no white eye ring. 



Oporornis Philadelphia. 

 Mourning Warbler. 

 See No. 331. 



