COMPSOTHLYPIS. 491 



laris) ; lower parts yellow, for anterior half at least, the color usually deepening 

 on chest into orange-brownish. {Females and immature males of certain species 

 with whole upper parts tinged, more or less, with olive-green, and yellow of lower 

 parts paler.) 



a'. Eyelids white ; yellow of lower parts not extending farther back than breast, 

 the sides and flanks white, tinged with bluish gray and rusty bi'own. 



Adult male : Above bluish gray (more blue on head), the back bright 

 olive-green ; wing with two broad white bands ; chin, throat, and breast 

 yellow; chest more or less tinged with orange-brown, this often bor- 

 dered anteriorly by a blackish band across lower throat ; rest of lower 

 parts white, the sides tinged with bluish gray and reddish brown. 

 Adult female : Similar to the male, but paler, all the colors less pro- 

 nounced. Young in first autumn : Upper parts in general tinged with 

 olive-green ; yellow of lower parts paler. Young : Yellow of lower 

 parts replaced by light grajash, the chin tinged with yellow ; above 

 dull grayish, more olive on back, the wings and tail much as in adult 

 female, but duller grayish. Length 4.12-4.95, wing about 2.20-2.40, 

 tail 1.60-1.85. Nest placed within hanging tufts of lichens or " beard- 

 mosses," or bunches of dead leaves and other rubbish caught on hang- 

 ing branchlets during freshets. Eggs 3-5, .64 X -46, white, or creamy 

 white, thickly speckled with reddish brown, chiefly round larger end. 

 Hah. Eastern United States and Canada, breeding throughout; in win- 

 ter, southern Florida, more northern West Indies, eastern Mexico, and 



Guatemala 648. C. americana (Linn.). Parula Warbler. 



a?. Eyelids dusky; yellow of lower parts extending back over sides and upper 

 part of belly (sometimes over whole surface except lander tail-coverts). 

 6\ Belly chiefly, or entirely, white ; wing with two broad white bands. 



&. White spot on inner web of outer tail-feather extending quite to shaft, 

 for greater part of its extent, in adult male, and very nearly to shaft 

 in female. 



Adult male : Above bluish gray, or plumbeous, relieved by olive- 

 green patch on back and two broad white wing-bands; lores 

 deep black ; chin, throat, chest, breast, and sides gamboge-yel- 

 low, deepening into a more saffron tint on chest ; rest of lower 

 parts white, the flanks usually tinged with brown. Ad.ult fe- 

 male : Much duller than male, the upper parts tinged with 

 olive-green, lores dull grayish dusky, yellow of lower parts 

 paler and duller, etc. Length 4.25-4.75, wing 2.00-2.20, tail 

 1.58-1.75. Hah. Lower Eio Grande Valley in Texas (and, 

 doubtless, adjacent portions of Mexico). 



649. C. nigrilora (Coues). Sennett's Warbler, 

 c'. White spot on inner web of outer tail-feather scarcel}^ if at all touching 

 shaft in adult male, and nearly obsolete in female. 

 d}. Otherwise similar in color to C. nigrilora, but rather less bluish 



