250 



KEY TO THE BIKDS OF EASTERN NORTH AMERICA. 



*''^»^^^*^*-* — -Sfe== 



Shoulder (lesser wing coverts), rufous brown; at least half of outer tall 

 feathers, white; back, streuked. 



Vesper Sparrow. 



Pooccetes gramiiieus. 

 See No. 408. 



Back, tinged with rufous brown, and 

 streaked with black ; carpal joint (beud 

 of wiug), edged with pale yellow; tail, 

 over 2.50; usually an indication of yellow 

 iu front of the eye; no white on tail 

 feathers. 



White-throated Sparrow. 

 Zonotrichia alhicollis. 

 See Xo. 423. 



Bill, sharj); tail, under 2 inches; entire 

 upper plumage, olive buff, streaked 

 with black ; under plumage, buffy 

 white, or ashj^ white, heavily streaked 

 with black ; more or less yellow on 

 edge and base of wing feathers, and 

 base of tail feathers. 



Pine Siskin. Pine Finch. 



Spimis pinus. 



See No. 402. 



Crown and back, dull brown, without 

 streaks ; uuderparts, brownish, whitish 

 on belly; breast streaks, not very pro- 

 nounced, often indistinct (female). 



Indigo Bird. Indigo Bunting. 

 Passerina cyanea. 



See No. 446. 



Pine Finch. 



