406 NORTH AMERICAN BIRDS. 
Genus RHYNCHOPHANES Bairp. (Page 383, pl. CVIIL, fig. 1.) 
Species. 
Tail-feathers (except middle pair) white, broadly tipped with black (outer 
feathers almost entirely white). Adult male in summer: Middle, and posterior 
lesser, wing-coverts rufous; crown, rictal stripe, and crescentic patch on chest 
black; sides of head grayish ; back, etc., gray or brownish, streaked with dusky ; 
lower parts (except chest) white, tinged laterally with grayish. Adult male in win- 
ter: Crown and other upper parts dull brownish buff, streaked with dusky ; black 
rictal streak obsolete, and black patch on chest hidden by light dull buffy tips to 
feathers. Adult female: Similar to winter male, but without concealed black on 
chest or rufous on wing-coverts; the colors brownish above and dull buffy be- 
neath in winter, grayer above and whiter beneath in summer. Young: Upper 
parts dusky, the feathers broadly bordered with pale grayish buff; beneath white,. 
distinctly washed with buff across chest, where sometines indistinctly streaked. 
Length about 5.12-6.50, wing 3.30-3.80, tail 2.25-2.80. Nest on ground in open 
places, composed of dried grasses, etc., lined with the same, usually mixed with hair 
and feathers. Eggs 3-6, .79 X .60, similar to those of Calcarius ornatus, but usually 
with ground-color more olive. Hab. Great Plains, breeding from western Kansas 
north to the Saskatchewan, migrating south, in winter, through Texas, New Mex- 
ico, and Arizona to plateau of Mexico..........:cesccsseees 539. R. mccownii (Lawr.). 
McCown’s Longspur. 
Genus POOCAETES Bairp. (Page 384, pl. CVIIL., fig. 2.) 
Species. 
Adult: Above brownish or brownish gray, everywhere streaked with dusky ; 
lesser wing-coverts more or less distinctly rusty, sometimes inclining to rufous; 
outer tail-feathers partly white; lower parts dull white, streaked along sides of 
throat and across chest with dark grayish brown. Young: Similar to adult, but 
markings less sharply defined. Vest on ground, in open grassy places, composed of 
dried grasses, etc. Eggs 3-6, pale buffy, pinkish buffy, or dull whitish, stained with 
rusty brownish and speckled or otherwise marked with a deeper shade of the same, 
usually mixed with darker spots or lines. 
a, Colors browner, with broader streaks; wing and tail averaging shorter, and bill 
stouter ; length 5.50-6.70, wing 2.95-3.40 (3.17), tail 2.40-2.75 (2.57), exposed 
culmen .38-.45 (.42), depth of bill at base .30-.35 (32), tarsus .80-.87 (.83). 
Eggs 81 X .60. Hab. Kastern United States, north to Nova Scotia and On- 
tario, west to edge of Great Plains, breeding from Virginia, Kentucky, and 
Missouri northward............ 540. P. gramineus (GmMEL.). Vesper Sparrow. 
a’. Colors grayer, with narrower streaks; wing and tail averaging ionger, and bill 
more slender; length about 6.00-6.75, wing 3.00-3.50 (3.27), tail 2.40-2.80 
(2.65), exposed culmen .40-.48 (.43), depth of bill at base .25-.28 (.26), tarsus 
