BIRDS OF NORTH AND MIDDLE AMERICA. 295 
rather indistinctly) streaked with dusky; rest. of under parts immac- 
ulate white; bill blackish; iris brown; legs and feet blackish (more or 
less olivaceous in life). 
Winter plumage.—General color of upper parts deep brownish 
gray or grayish brown, the feathers (especially scapulars and inter- 
scapulars) darker centrally; otherwise as in summer. 
Young.—Similar to summer adults but many of the scapulars 
and interscapulars margined terminally with white (these feathers 
without transverse markings), wing-coverts margined with buffy, 
and chest decidedly buffy and very indistinctly streaked. 
jDowny young.—Forehead and sides of head pale brownish buffy, 
the posterior half of the former with a median streak of blackish; 
a narrow black loral streak, extending from near base of bill to near 
anterior angle of eye; a very small and narrow dusky streak near 
rictus; auricular region with a blackish streak along middle portion, 
a much smaller and shorter one on upper-posterior portion, and a 
dusky spot beneath lower part; crown and occiput deep russet, 
the latter with a short median streak of black, bordered along each 
side by a broken and much less distinct one of pale dull buffy; rest 
of upper parts mixed russet and blackish, irregularly dotted or 
spangled with pale grayish buffy or dull buffy whitish, the wings 
nearly plain russet; under parts immaculate dull white, faintly tinged 
on chest with pale brownish or dull buffy. 
Adult male,—Wing, 82-88 (85.5); tail, 35-40 (38.2); exposed 
culmen, 16-19 (17.2); tarsus, 16.5-19 (17.7); middle toe, 15-17 (16). 
Adult female.—Wing, 83-91 (86.5); tail, 34-41 (87.1); exposed 
culmen, 17.5-20 (18.7); tarsus, 16-19 (18.1); middle toe, 15.5-17 
(16.4).° ; 
a Twenty-two specimens. 
b Sixteen specimens. 
Ex- 
Locality. Wing. | Tail. | 2984 | Tarsus,| Middle 
men. 
MALES, 
Ten adult males from Atlantic side of United States (migrants).| 85.4 37.8 17.7 17.6 16 
Ten adult males from Pacific side of United States (migrants)..| 85.9 38. 2 16.9 17.8 16.2 
One adult male from Mexico (migrant)............-...--------- 84.5 39.5 16 17.7 15.5 
FEMALES, 
Five adult females from Atlantic side of United States(migrants)} 88.3 39 19.3 17.9 16.2 
Four adult females from coast of Alaska (breeding specimens)..| 86.7 37.7 18 17.7 16.1 
One adult female from Nebraska (migrant) Ryde mae iqsenesacaeeie 85 37 19 18.5 16.5 
Six adult females from California (migrants) . 88. 2 38.5 18.5 18.4 16.5 
One adult female from Mexico (migrant)............---...--..- 87.5 39 18 19 17 
