248 KEY TO THE BIKDS OF EASTERN NORTH AMERICA. 



Part 6. The following species have no red, blue, green, or yellow on 

 the underpants ; throat or chin, not black, and the breast, distinctly streaked 

 or spotted : 



Crown feathers, blackish, narrowly edged with light brown ; an imperfect 

 buff white line through centre of crown; tail, usually under 2.20; wing, 

 usually under 2.90 (more or less yellow over and in front of eye in some 

 plumages) ; outer tail feathers, not shorter than middle ones ; a black streak 

 on sides of upper throat ; back, streaked ; breast, streaked with dark brown ; 

 outer web of outer tail feather, edged with dull white. 



Savanna Sparrow. 



Ammodramus satidtcichcnsis savanna. 

 See No. 410. 



Rump and upper surface of tail feathers, rufous brown. 



Fox Sparrow. 



Passerella iliaca. 

 See No. 439. 



Wing, usually over 2.90; tail, usually over 2.20; breast, streaked with pale 

 brown ; crown feathers, with small black centres edged with buff and 

 gray; outer tail feathers, not shorter than middle ones; no black streak on 

 sides of upper throat; back, pale brown, tinged with gray and more or less 

 streaked; very little or no white on outer tail feathers. 



Ipswich Sparrow. 

 Ammodramus princeps. 

 See No. 409. 



