234 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



IJnderparts, blue ; geueriil pUimage, blue ; wings 

 and tail, black, edged with blue. 



Indigo Bird. 

 Indigo Bunting. 



Passerina cyanea {male). 

 See No. 446. 



Underparts, more or less lilotclied with blue. 



Indigo Bird. 



Passerina cyanea {immature). 

 See No. 446. 



Part 2. The following species have the underparts not marked with 

 red, blue, yellow, or green ; breast, distinctly streaked ; carpal joint (bend 

 of wing), edged with yellow: — 



Breast and flanks, tawny; a tawny stripe over the eye; outer tail feathers, 

 decidedly shorter tliau middle ones. 



Sharp-tailed Sparrow. 



Ammodramus caudacttis, and varieties. 

 See No. 414. 



Breast, white, heavily streaked with black; back, black, the feathers 

 edged with olive and gray; outer tail featliers, shortest. Occurs only in 

 Florida. 



Dusky Seaside Sparrow. 



Ammodramus nigrescens. 

 See No. 419. 



