BIRDS OF INDIANA. 1041 



158. GENUS DBNDROICA GRAY. 



a 1 . Bill slender, very acute; gonys slightly concave near tip; notch wanting or 

 very indistinct, Subgenus PERISSOGLOSSA. Baird. D. tigrina (Gmel.). 264 

 a 2 . Bill conical; gonys convex; notch distinct. 



ft 1 . Tail feathers edged with yellow; plumage chiefly yellow. 



D. aestiva (Gmel.). 265 

 fc 2 -. Tail feathers blotched with white. 



c 1 . Primaries with white blotch near bases; no wing bars. 



D. cserulescens (Gmel.). 266 

 c 2 . Primaries without white blotch. 

 d l . Wing bars, if present, not white. 



e l . White below; crown and wing patch more or less yellow. 



D. pennsylvanica (Linn.). 270 

 e 2 . Yellow below. 

 f l . Sides reddish streaked; crown chestnut. 



D. palmarum (Gmel.). 278 

 / 2 . Sides black streaked. 



g l . Back olive with reddish spots. D. discolor (Vieill.). 279 



g 2 . Back ashy. D. kirtlandi Baird. 276 



d 2 . Wing bars or wing patch white. 

 h l . Rump yellow. 



1 1 . Crown clear ash; yellow and streaked below. 



D. maculosa (Gmel.). 268 



1 2 . Crown with yellow spot; white and streaked below. 



D. coronata (Linn.). 267 

 h~. Rump not yellow. 



j 1 . No distinct yellow anywhere. 



k 1 . Crown, blue or greenish, like the back. 



D. rara (Wils.). 269 

 k 2 . Crown not blue or greenish. 

 I 1 . Crown black, much streaked. 



D. striata (Forst.). 272 

 /'-'. Crown and throat chestnut; buffy below. 



D. oastanea (Wils.). 271 

 j 2 . More or less yellow or orange. 



m 1 . Crown with orange or yellow spot; throat orange or 

 yellow. D. blackburniae (Gmel.). 273 



m 2 . Crown bluish or yellowish ; not as above. 



re 1 . Throat black (sometimes obscured by yellow tips 

 to feathers) ; outer tail feather white edged. 



D. virens (Gmel.). 275 

 n 2 . Throat yellow. 



o 1 . Back blue gray ; cheeks black. 



D. dominica albilora Ridgw. 274 

 o 2 . Back yellowish olive; cheeks the same color. 



D. vigorsii (Aud.). 277 



-GEOL. 



