DESCRIPTION. 191 



177. White-throated Sparrow. 



Length about 7 inches, tail about 3 inches long. 

 Top of head with a narrow grayish-white median 

 and two broader black lateral stripes ; superciliary 

 stripe yellow ; back brownish, streaked with black- 

 ish ; throat white, and chest ash-gray. Immature : 

 Markings more brownish, and superciliary stripe 

 not so yellowish. Young : Markings duller, chest 

 streaked with dusky. 



178. Tree Sparrow. 



Length about 6 inches, tail about 2f inches long ; 

 lower mandible yellow. Adult : Above, rufous, 

 streaked with black, wings with two whitish 

 bands ; below, pale-ashy, sides tinged with buffy, 

 dusky spot in centre of chest. Young : Above, 

 brownish, streaked with dusky ; below, buffy, 

 streaked with dusky. 



179. Chipping Sparrow. 



Length about 5J inches, tail about 2| inches 

 long. Above, brownish, streaked with black, top 

 of head rufous ; below, whitish, sides of head with 

 whitish and blackish stripes. Young : Top of head 

 brownish, streaked with blackish ; below, streaked 

 with dusky. 



180. Field Sparrow. 



Length about 5J inches, tail about 2J inches 



