78 



29. Upper parts decidedly, generally conspicuously, darker streaked, 



never with white ones (52) 



30. Outer tail feathers with a conspicuous amount of white (31) — 



without white (42) 



31. Plain dark and white, without any bright red, brown or yellow; tail 



under 3 inches (32) 



31. Some bright red, brown or yellow in plumage; tail over 3 inches .... (39) 



32. Three outer tail feathers white; generally two white wing- 

 bands White-winged Junco. 



32. Third outer tail feather mostly dark; no wing-bands (33) 



33. Sides gray like chest,with no pinkish tinge < (34) 



33. Sides pinkish, cinnamon or buffy . (35) 



34. Back with a triangular cinnamon rufous patch ; head ashy . . 



Gray-headed Junco. 



34. Back plain slate or slightly brownish tinged ; head slate .... 



Slate-colored Junco. 



35. Head, neck and upper chest sooty black; a squarish brownish back 



patch Shufeldt Junco, male. 



35. Head, neck, and chest gray or slaty (36) 



36. Second outer tail feather nearly or entirely white; throat 



and chest ashy Pink-sided Junco. 



36. Second outer tail feather with much dark; throat and chest 



slaty '. (37) 



37. Wing 3 inches or less long (38) —wing 3 to 3} long. .Montana Junco, male. 



38. Throat and chest grayish slate Shufeldt Junco, female. 



38. Same paits ash-gray or slaty-gray Montana Junco, female. 



39. Plumage mostly black and white; under wing-coverts and breast 



rose Rose-breasted Grosbeak, male. 



39. *Plumage mostly black and white; under wing-coverts yellow, 



breast tawny Black-headed Grosbeak, male. 



39. Under wing-coverts white ; upper parts largely black; sides chestnut- 

 brown , (40) 



40. Head and back solid black without white streaks Townee. 



40. Head and back black, the latter streaked with white and 



often with brownish edgings to feathers (41) 



41. Outer web of primaries with white edging often forming a patch; 



whole outer web of outer tail feather white, the white patch on 



inner web generally over 1} inches long; hind claw moderate. . . . 



Arctic Towhee. 



41. Outer web or primaries without distinct white edging, never forming 



a patch; only outer edge of outer web of outer tail feather white, 



the white patch on inner web generally under 1£ inches long; hind 



claw large, stout Spurred Towhee. 



42. Olive green above, whitish below, crown reddish 



Green-tailed Towhee. 



42. Not olive green above, or if so, no reddish crown (43) 



43. Black, with a large white wing-spot Lark Bunting, male 



