246 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Crown, brown, like back; throat and underparts, pale brown; whitish on 



belly; breast, usually with indistinct streaks; back, brown, without streaks. 



Indigo Bird, 

 indigo Bunting. 



Passcrina cyancn {ft'imde). 

 See No. 446. 



Crown, black, with white stripe in centre; stripe over eye, white; usually 

 more or less yellow in front of eye; throat, white; breast, a;rayish; carpal 

 joint (bend of wing), pale yellow ; back, streaked. 



White=throated Sparrow. 



Zonotrichia alhiroUis. 

 See No. 423. 



^/t.^'^^^J^^ 



Crown, black, with white stripe in centre; no distinct white patch on throat; 

 carpal joint (bend of wing), not yellow; back, streaked. 



White=crowned Sparrow 



Zonotrichia leiicophrys- 

 See No. 422. 



Crown, brown, with grayish brown centre; nape, gray; bill, reddish brown ; 



back, streaked,- wing coverts, tipped with white. 



White-crowned Sparrow. 



Zonotrichia leucoj^hrys {immature] 



See No. 422. 



Crown, light chestnut brown (streaked with black in young birds) ; rump, 



slaty gray; bill, black; back, streaked. Young birds in fall have the bill 



brownish. 



Chipping Sparrow 



Spizella socialis. 



See No. 425. 



Crown, rufous brown ; rump, pale olive brown ; upper mandible, black ; 

 under mandible, pale, with dark tip ; back, streaked. 



Tree Sparrow. 



Sjnzella monticola. 

 See No. 424. 



