302 AVES: PASSEKES. — XLVI. 



scurely marked, known by the blotch on the primaries. L. 6^. 

 W. 2|. T. 2^. E. N. Am. ; an elegant species, common. (Lat., 

 bluish.) 



cc. No white spot on primary quills. 



971. D. coronata (L.). Yellow-rumped Warbler. Bluish 

 ash above, streaked with black ; white below with large black area 

 on breast ; crown patch, rump and sides of breast bright yellow, 

 there being four definite yellow places; 9 and young brownish, 

 with less yellow on breast and head. L. 5|. W. 3. T. 2J. U. S., 

 very abundant. The earliest migrant ; represented W. of Eocky 

 Mts. by D. auduboni Townsend, very similar but with the throat 

 yellow. (Lat., crowned.) 



972. D. maculosa (Gmelin). Black and Yellow Warbler. 

 Back black, with olive skirtings ; rump yellow ; head clear ash ; a 

 white stripe behind eye ; sides of head black ; under parts rich yel- 

 low, with black streaks which are confluent on breast ; crissum 

 white ; 9 similar, more olivaceous, with much less black. L. 5. 

 W. 2^. T. 2|. E. N. Am. ; a brilliant little bird, common. (Lat., 

 spotty.) 



973. D. rara (Wilson). Cerulean Warbler. Bright blue 

 with black streaks ; white below ; breast and sides with streaks 

 of slaty blue ; 9 ^°^ streaked, greenish above, slightly yellowish be- 

 low. L. A\. W. 2J. T. 2. E. U. S., N. to L. Erie, common S. W. ; 

 a dainty species. 



974. D. penusylvanica (L.). Chestnut-sided Warbler. 

 Blackish above, much streaked with whitish and olive ; crown clear 

 yellow ; black patch about eye ; pure white below ; a line of bright 

 chestnut streaks along sides ; wing patch yellowish (never clear 

 white) ; 9 similar but with less chestnut and black. L. 5. W. 

 2^. T. 2J. E. N. Am., abundant, especially N. ; very pretty. 



975. D. castanea (Wilson). Bay-breasted Warbler. 

 Autumn Wakblbb. Back ashy olive, streaked with black ; 

 forehead and sides of head black, enclosing a large deep chestnut 

 crown patch ; chin, throat and sides chestnut, otherwise pale huffy 

 below ; 9 niore olivaceous with less chestnut ; young scarcely dis- 

 tinguishable from striata, but the latter has crissum white instead 

 of buffy ; castanea is less streaked on sides. L. 5. W. 3. T. 2^. 

 E. N. Am., not rare. (Lat., chestnut.) 



976. D. striata (Forster). Black-poll Warbler. Ashy 

 olive, white below ; almost everywhere streaked with black, the 

 streaks below narrow ; whole top of head pure black ; 9 niore oli- 

 vaceous, slightly yellowish below ; rather large. L. 5f . W. 3. 

 T. 2^. E. N. Am. ; the last to migrate, " bringing up the rear of 

 the warbler-hosts ; when the Black-Polls appear in force, the col- 

 lecting season is about over." (^Coues.') (Lat., striped.) 



