639- Worm-eating Warbler — Helmitheros ver- 

 m'worus. 



Length $ l / 2 inches. 



A black line from eye to "back of neck; a pale 

 ■olive-buffy line over eye, another through center 

 iof crown; sides of crown black; no wing-bars; 

 back, wings and tail olive-green; underparts pale 

 cream-buff, whiter on throat and belly. 



645. Nashville Warbler — V ermivorn ruhrica- 

 pilla rubricapilla. 



Length 4^4 inches. 



Top and sides of head bluish gray; an indis- 

 tinct chestnut patch in center of crown ; back and 

 rump bright olive-green; no wing-bars; under 

 parts bright yellow , whiter on belly. 



648a. Northern Parula Warbler — Compsoth- 

 Jypis americana usneae. 



Length 4^ inches. 



Male — Upperparts grayish blue; a greenish yel- 

 low patch in middle of back; two white wing-bars; 

 throat and breast yellow , splashed with pale 

 rufous; a dark band across breast; belly white; 

 sides sometimes marked with rufous; white spots 

 near end of outer tail-feathers Female — Similar, 

 but rufous breast-band sometimes absent. 



650. Cape May Warbler — Dendroica tigrina. 



Length 5 inches. 



Male — Cheeks rufous, bounded behind by yel- 

 low; a large white patch on wing coverts; outer 

 tail-feathers with each a large white patch near 

 its tip, underparts yellow, heavily streaked with 

 black; lower belly and under tail-coverts whitish; 

 crown black; back olive-green, heavily streaked 

 with black. Female — Less white on wings; no 

 rufous on cheek; rump yellowish; back grayish 

 olive green. 



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