NORTH AMERICAN BIRDS. 
dull brownish gray, the wing-cov-. 
erts tipped with light buffy; chin and 
throat whitish; rest of lower parts 
yellowish white, the chest and sides 
streaked with color of back, this 
nearly uniform on chest. Length 
4.25-5.00, wing 2.10-2.30, tail 1.90- 
2.10. Nest in bushes or small trees 
(often in young cedars) in open 
situations. Lggs .63 x .47, white or 
buffy white, speckled, chiefly on or 
round larger end (often wreathed), 
with burnt-umber or vandyke-brown 
and lilac-gray. Hab. Kastern United 
States, north to Michigan and south- 
ern New England; in winter, southern 
Florida, Bahamas, and most of West 
Indies... 673. D. discolor (VIEILL.). 
Prairie Warbler. 
#. Above olive-brown, passing into olive-green 
on rump and upper tail-coverts, the back 
narrowly streaked with darker; top of 
head chestnut in adults; tips of wing- 
coverts paler than general color, but not 
forming obvious bands; a continuous 
superciliary stripe of yellow or dull 
whitish ; inner web of outer tail-feather 
with less than terminal third white, this 
with anterior outline only moderately 
oblique (often nearly transverse). (Win- 
ter adults with chestnut of crown ob- 
scured or even sometimes concealed by 
brownish tips to feathers; immature 
birds with chestnut wanting, the crown 
dull grayish brown or olive-brown, 
streaked with dusky.) 
j. Smaller and much duller colored, with 
bright or continuous yellow of lower 
parts confined to throat, chest, and 
under tail-coverts in adult, to the 
latter alone in immature birds; mid- 
dle portion of lower parts (belly, 
etc.) mixed yellow and dull whitish, 
the latter usually prevailing ; imma- 
ture birds with superciliary stripe 
