238 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 
Part 5. The following species have the underparts not marked with red, 
blue, yellow, or green; the breast, not distinctly streaked, and no yellow on 
the carpus (bend of the wing): — 
Crown and back, the same color, brown without streaks. 
Indigo Bunting. 
Passerina cyanea (female). 
See No. 446. 
Crown and back, bright olive green, without streaks. 
Painted Bunting. 
Passerina ciris (female). 
See No. 448. 
Back, streaked with black; rump, olive brown, streaked with black ; Wing coverts 
and secondaries, broadly edged with rufous brown; sides of body, clear olive 
brown ; middle of belly, whitish. 
Swamp Sparrow. 
Melospiza georgiana. 
Bill, black or dark brown; back, streaked with 
black; rump, slate gray; adult birds have the 
crown rufous. 
Chipping Sparrow. 
Spizella socialis. 
See No. 425. 
Bill, reddish brown; crown and back, rufous 
brown; back, streaked with black; rump, pale 
grayish brown, 
Field Sparrow. 
Spizella pusilla. 
See No. 428. 
Bill, pale brown (not reddish brown); underparts, 
dull white (not grayish on sides as in socialis) ; 
crown and back, pale grayish brown, streaked 
with black ; rump, grayish brown (not slate gray 
as in socialis). 
Clay-colored Sparrow. 
Spizella pallida. 
See No. 426. 
