240 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
and middle rectrices sooty blackish, faintly glossed with purplish, 
the feathers of rump sometimes indistinctly margined with grayish; 
remaining rectrices light brownish gray with white shafts and (some- 
times at least) margined terminally with white; lesser and middle 
wing-coverts deep brownish gray, darker and faintly glossed with 
purplish centrally and margined terminally with grayish white or 
pale gray, the greater coverts similar but tipped with pure white; 
secondaries like greater coverts but more narrowly tipped with 
white, the innermost (proximal) ones mostly white; primaries and 
primary coverts dusky grayish brown, the proximal primaries edged, 
especially toward base, with white; shaft of outermost and proximal 
primaries white, of the intermediate ones more or less tinged with 
brownish gray; a superciliary stripe of grayish white, narrowly 
streaked with dusky, beneath this a broad stripe, involving lores, 
suborbital region, and auriculars, of grayish dusky streaked with 
paler; malar region, chin and throat white, or grayish white, nar- 
rowly streaked with dusky, the chin, however (sometimes upper 
throat also), immaculate; foreneck and chest more broadly streaked 
with dusky, the breast grayish white or pale grayish irregularly 
spotted with dusky; rest of under parts white, the sides streaked 
and spotted with dark grayish, the under tail-coverts narrowly 
streaked with dusky; axillars and under wing-coverts white, the 
more anterior of the latter, together with those along edge of wing, 
spotted with brownish gray; bill dusky terminally, brownish (yel- 
lowish in life) basally; iris dark brown; legs and feet dull yellowish 
in life. 
Winter plumage.—Above gray (approximately light mouse gray, 
quaker drab, or light purplish gray), nearly uniform on head and 
neck, the scapulars, interscapulars, and tertials sooty blackish 
faintly glossed with purplish and broadly margined with gray; a 
whitish crescent on lower eyelid and an indistinct whitish spot’ on 
lores, between which and anterior angle of eye the gray is darker; 
chin and upper throat white, the latter broadly streaked with pale 
gray; middle foreneck nearly plain pale gray; chest and upper 
breast brownish gray, the feathers margined with white, these white 
margins becoming gradually broader posteriorly; otherwise as in 
summer. 
Young.—Similar to the summer adult, but scapulars and inter- 
scapulars lacking the lateral ochraceous or buffy indentations and the 
pale margins rather more regular or more distinct, the pale margins 
to wing-coverts broader and more or less buffy, the hindneck and 
cheeks uniform brownish gray. 
Downy young.—Above mottled or marbled with blackish and 
buffy brown or wood brown,.the hindneck pale grayish buffy mottled 
with grayish dusky, the back and rump dotted with whitish; fore part 
