JAN., 1909. BIRDS OP ILLINOIS AND WISCONSIN -CoRY. 235 



PART 2. The following species have the throat, breast and belly, 

 yellow; breast, with more or less streaks; no white on tail feathers 



More or less yellow, on inner webs of primaries and tail feathers. 



Dendroica <zstiva. 

 Yellow Warbler. 

 See No. 311. 



PART 3. The following species have the throat, breast, and belly, 

 yellow without streaks; some tail feathers marked with white: 



Crown and sides of head, grayish or slate color; no yellow on fore- 

 head; adult birds have patch of chestnut on crown; some tail feathers, 

 very narrowly edged with white; under wing coverts, yellow; no 

 black streaks on sides of body. Vermivora rubric apilla. 



Nashville Warbler. 

 See No. 306. 



Wing bars, white; under wing coverts, white; some tail feathers 

 with much white on inner webs; adult birds have forehead and more 

 or less of crown yellow; immature birds have crown yellowish green. 



Vermivora pinus. 

 Blue-winged Warbler. 

 See No. 304. 



Wing bars, yellowish; sides of body, more or less streaked with 

 black. Dendroica discolor. 



Prairie Warbler. 

 See No. 325. 



PART 4. The following species have the throat, breast, and belly, 

 yellow without streaks ; no white on tail feathers : 



Crown and back, greenish yellow; more or less yellow on inner 

 webs of primaries and tail feathers; crown, yellowish green. 



Dendroica cestiva (female or immature}. 

 Yellow Warbler. 



See No. 311. 



Crown, slate color, with patch of chestnut in some plumages; sides 

 of head, slate color; wing, longer than tail; lower belly, tinged with 

 white; rump and upper tail coverts, bright yellowish green. 



Vermivora rubric apilla. 

 Nashville Warbler. 

 See No. 306. 



