516 SORTU AMERICAN BIRDS. 



dull brownish graj", the wing-cov- 

 erts tipped with light huffy; chin and 

 throat whitish ; rest of lower parts 

 yellowish white, the chest und sides 

 streaked Avith 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 j'oung cedars) in open 

 situations. Eggs .03 X •■1", white or 

 buffy white, speckled, chieflj' on oir 

 round larger end (often wreathed), 

 with burnt-umber or vandyke-brown 

 and lilac-gray. Ilab. Eastern United 

 States, north to Michigan and south- 

 ern Now England ; in winter, southern 

 Florida, Bahamas, and most of "West 

 Indies... G73. D. discolor ("\'ieill.). 

 Prairie Warbler. 

 i\ 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 j-cllow or dull 

 whitish ; inner web of outer tail-feather 

 with less than terminal third white, this 

 with anterior outline only moderatelj- 

 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 gra3"ish brown or olive-brown, 

 streaked with dusky.) 

 /. 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.) mi.xed j-cllow and dull whitish, 

 the latter usuall}' prevailing ; imma- 

 ture birds with superciliary stripe 



