SYLVICOLID^. XXVII. 65 



6. D. pennsylvanica, (L.) Bd. CHESTNUT - SIDED 

 WAKBLER. Blackish above ; much streaked ; crown 

 clear yellow; black patch about eye; pure white below; 

 a line of bright chestnut streaks along sides; wing patch 

 yellowish (never clear white); $ similar but with less 

 chestnut and black; L. 5; W. 2; T. 2. E. U. S.j 

 abundant, especially northward. A pretty species. 



7. D. casfanea, (Wils.) Bd. BAY-BREASTED WARBLER. 

 AUTUMN WARBLER. Back black and olive; thickly 

 streaked; forehead and sides of head black enclosing a 

 deep chestnut crown patch; chin, throat and sides, dull 

 chestnut, otherwise pale buffy below; $ more olivaceous 

 with less chestnut; young scarcely distinguishable from 

 striataj L. 5; W. 3; T. 2J. E. U. S. Not very common. 



8. D. striatUf (Forst.) Bd. BLACK-POLL WARBLER. 

 Black and olivaceous, almost every where streaked; whole 

 crown pure black; $ more olivaceous, slightly yellowish 

 below; rather large; L. 5f; W. 3; T. 2. E. U. S.; the 

 last to migrate. "When the Black -Polls appear in 

 force, the collecting season is about over," (Cones.) 



9. D. blackburnice, (Gm.) Bd. ORANGE - THROATED 

 WARBLER. BLACKBURNIAN WARBLER. HEMLOCK 

 WARBLER. Black above with whitish streaks; crown 

 patch, superciliary line, sides of neck and the whole 

 throat brilliant orange or flame color, fading into yellow- 

 ish on the belly; $ similar, but olive and bright yellow 

 instead of black and orange; L. 5J; W. 2f ; T. 2. E. 

 U. S. ; abundant among the tree-tops. The most brilliant 

 species. 



10. D. dominion, (L.) Bd. YELLOW-THROATED WARB- 

 LER. Ashy blue; throat bright yellow; belly white; 

 cheeks black ; superciliary line white or yellowish in 

 front; L. 5; W. 2f: T. 2$. Southern States; N. to 



