FAMILY MNIOTILTID.Z. — WARBLERS. 309 
Throat and sides, more or less chestnut; crown, olive, streaked with 
black (usually with trace of chestnut) ; back, grayish olive, streaked with 
black. 
Bay-breasted Warbler. 
Dendroica castanea (female). 
See No. 503. 
Throat and underparts, cream white, shading to pale buff white on flanks ; 
crown and back, green, indistinctly streaked with black ; wing bars, white. 
(Often difficult to distinguish from female of Black-poll Warbler, D. striata, 
which resembles it very closely in immature plumage, but has the underparts, 
usually yellowish. ) 
Bay-breasted Warbler. 
Dendroica castanea (émmature) 
See No. 503. 
Throat and underparts, dull white; crown and back, grayish olive; wing 
bars, white; an oblique white spot on inner webs of two outer tail feathers, 
rest of tail feathers, without white; under tail coverts, whitish. 
Pine Warbler. 
Dendroica vigorsii (fall, and immature 
See No. 511. 
Throat and underparts, whitish, faintly tinged with yellow; breast, with rather 
indistinctly dusky streaks; crown, grayish olive, usually with an indication of 
chestnut; back, grayish olive; rump, olive green; under tail coverts, 
yellow. 
Palm Warbler. 
Red-poll Warbler. 
Dendroica palmarum. 
See No. 512. 
