112 KEY AND DESCRIPTION 



I. Breast with yellow ; tail slightly douhle-rounded and the under 



feathers not white blotched 52. Dickcissel. 



I. Tail somewhat longer than the wings ; bend of wing yellow. (J.) 

 J. Head striped and two of the stripes white with yellow in front ; a 



white throat patch 30. White-throated Sparrow. 



J. No yellow on head ; upper tail feathers not barred 



36. Bachman's Sparrow. 



J. No yellow on head ; upper tail feathers barred ^ 



37. Cassin's Sparrow. 



K. liump, tail, and wings with much rusty-red ; large arrow-shaped 



spots on the white breast 41. Fox Sparrow. 



K. Male with much red ; female olive-brown ; tail an inch shorter than 



the wings and notched at tip ^ 3. Purple Finch. 



K. Under parts pure white, except black spots on the breast; tail 



rounded,^ and the under feathers black, with white tips 



27. Lark Sparrow. 



K. Wing with a uonspiouous, light-oolored (white or whitish) patch ; 



tail about square * 53. Lark Bunting. 



K. Tail rounded ; wing, 3\ or less long ; crown pure white or pale 



brownish, margined with darker 29. White-crowned Sparrow. 



K. Tail rounded ; wing, 31-3|; center of crown more or less black. . . 



28. Harris's Sparrow. 



L. Breast with yellow ; throat with more or less black ; bend of wing 



yellow 52. Dickcissel. 



L. Tail double-rounded ;5 middle and under pair of feathers about equal 



in length, the others gradually longer. (P.) 

 L. Tail rounded ; <> the middle pair of feathers about the longest ; the 

 under feathers gradually shorter. (M.) 

 M. Culmen, J or more long ; bend of wing yellow. (0.) 

 M. Culmen, less than J long. (N.) 

 N. Tall and wings almost exactly equal in length ; back feathers black, 

 bordered by bufiy ; no yellow in front of eye or on bend of wing. . . . 



23. Leconte's Sparrow. 



N. Tail measurably shorter than wing ; back brown streaked with 



black ; bend of wing pale yellow 22. Henslow's Sparrow. 



0. Back almost without streaks ; breast slightly streaked with dusky; 



yellow in front of eye 25. Seaside Sparrow. 



0. Back somewhat streaked ; breast broadly streaked with black ; 



yellow in front of eye 26. Dusky Seaside Sparrow. 



0. Center of crown with a distinct stripe of ashy ; breast and sides 

 distinctly streaked with blackish 24. Sharp-tailed Sparrow. 



