ZONOTRICHIA. 415 



light buffy bi-own, broadly streaked with dusky ; adult with whole chin and 

 throat, lores, and top of head uniform black. 



Adult : Sides of head dull brownish white or light grayish brown ; rest 

 of head mainly uniform black ; breast (except centrally) and belly pure 

 white. Immature : Top of head black, but this much obscured by 

 whitish or buflfy borders to feathers ; whole side of head, including sides 

 of forehead and superciliary region, buffy ; chin and throat white, bor- 

 dered along each side by a blackish streak (sometimes blotched with 

 black) ; middle of chest blotched or spotted with black or dark brown ; 

 otherwise like adult ; length 6.75-7.75, wing 3.20-3.60 (average about 

 3.40), tail 3.30-3.75. Eggs (identification somewhat doubtful), .87 X -68, 

 buffy whitish, thickly speckled with burnt-umber, slightly mixed with 

 purplish gray. Hab. More eastern Great Plains and more western 

 prairies, breeding from eastern Montana (?) north to Manitoba ; south, 

 in winter, to Texas, and east to Iowa, western Illinois, Missouri, etc. 



553. Z. querula (Nutt.). Harris's Sparrow. 

 Top of head black or brown, divided by a distinct median stripe of white, buff, 

 yellow, or gray ; sides and flanks grayish brown, without distinct streaks, 

 or else with sides of forehead yellow and back rusty brown ; adults with 

 chin and throat whitish or light grayish. 

 b^. Back gray, grayish brown, or smoky brown, streaked with broM'n or black; 

 chin and throat not abruptlj^ white ; sides of forehead not yellow. 

 c\ Middle crown-stripe entirely white, ashy, or buflpj^ ; top of head without 

 yellow. 



Adults with lateral crown-stripes deep black, median stripe white or 



pale ashy; a broad white superciliary sti-ipe, below which is a 



narrower black stripe behind eye (sometimes continued in front of 



it). Immature, with lateral crown-stripes and streak behind eye 



chestnut-brown or burnt-umber brown, middle crown-stripe dull 



buffy, superciliary stripe dull light buflfy grayish. 



d^. Edge of wing white ; white or buflfy median crown-stripe broad as 



or broader than lateral black or brown stripes ; adidts with 



back ashy streaked with burnt-umber or vandyke-brown, and 



chest ashy. 



e\ Lores black or dark brownish, the white, grayish, or dull buflf 



superciliary stripe not reaching to bill ; length 6.50-7.50, 



wing 3.00-3.30 (3.19), tail 2.80-3.20 (3.00), exposed culmen 



.38-.45 (.41), tarsus .90-.98 (.91). Eggs .85 X -61, pale 



greenish blue, varying to pale cinnamon-brown, speckled, 



sprinkled, or spotted with reddish brown. Hab. Breeding 



from higher mountain ranges of western United States, 



Sierra Nevada, Eocky Mountains, and eastward, north of 



Great Lakes, to Labrador ; in winter, over whole of United 



States, and south into Mexico. 



554. Z. leucophrys (Forst.). White-crowned Sparrow. 



