FINCHES, SPARROWS, ETC. 
373 
b. Head not the same color as the back. 
b 1 . A bright red crown-cap. 
b 2 . Rump and flanks always heavily streaked with blackish. 
528. Redpoll and races. 
6 3 . Rump white, generally without streaks; flanks lightly 
streaked; more or less white in the feathers of the back. 
527. Greenland Redpoll. 527a. Hoary Redpoll. 
c 1 . Crown-cap black 553. Harris’s Sparrow. Ad. 
B. Tail-feathers narrow and generally sharply pointed, the outer ones 
always much shorter than the middle pair. 
a. Crown of a different color from the back, or a buffy line oyer the 
eye. 
a 1 . Center of crown with a more or less distinct brownish or buffy 
line. 
a 2 . Nape dull, pale olive-green, of the same color as the line over 
the eye, but finely streaked with black; back rufous-brown, 
streaked with black .... 547. Henslow’s Sparrow. 
a 3 . Nape bright rufous-brown, the feathers bordered by gray; 
the feathers of the back black, bordered by buffy whitish. 
548. Leconte’s Sparrow. 
b 1 . Center of crown with a more or less distinct stripe of ashy blue. 
b 2 . Breast and sides distinctly streaked with black or blackish. 
549. Sharp-tailed Sparrow. 
6 3 . Breast and sides buffy or brownish, the former generally 
without distinct black streaks. 
549a. Nelson’s Sharp-tailed Sparrow. 
5495. Acadian Sharp-tailed Sparrow. 
b. Crown of the same color as the back; no buffy line over the eye. 
a. A yellow spot before the eye and on the bend of wing. 
a 1 . Upperparts very dark brown or black; the feathers edged 
with olive-gray or ashy, breast generally with black streaks. 
(Florida.) . . 550 a. Scott’s Seaside Sparrow and races. 
551. Dusky Seaside Sparrow. 
a 2 . Back olive-gray; breast with grayish brown streaks. 
550. Seaside Sparrow. 
b. No yellow before the eye. 
b l . Bend of wing yellow. 
575. Pine-woods Sparrow. 575a. Bachman’s Sparrow. 
b 2 . A broad cream-buff band across the breast. 
583. Lincoln’s Sparrow. 
5 3 . No cream-buff band on the breast; streaks on the breast 
tending to form a spot in its middle . 581. Song Sparrow. 
2. Tail with white patches or base of tail yellow. 
A. Base of the tail yellow 533. Pine Siskin. 
B. Outer tail-feathers with white patches. 
a. Hind toe-nail shorter than the bill from the nostril. 
a 1 . Lesser wing-coverts rufous; breast streaked with black. 
540. Vesper Sparrow. 
a 2 . Sides of crown and ear-coverts chestnut; a black spot on the 
center of the breast 552. Lark Sparrow. 
b. Hind toe-nail longer than bill from nostril. 
b 1 . Underparts cream-buff ; two outer tail-feathers mostly white. 
537. Smith’s Longspur. 
b 2 . Underparts whitish; breast streaked or spotted with black or 
entirely black; second outer tail-feather with but little white. 
536. Lapland Longspur. 
