657 



BLUE-GREEN WARBLER. 

 (Sylvia rara.) 



SY. cceruleo viridis subtus albidis, cauda alisque nigricanlibus, rcc- 

 tricibus lateralibus extus albis, margine viridibus. 



Blue-green Warbler^ beneath whitish, with the tail and wings 

 dusky; the lateral tail-feathers white on their outer webs, and 

 edged with green. 



Sylvia rara. Wils. Amer. Orn. a. lip. 



Blue-green Warbler. Wils. Amer. Orn. 3. 1 19. pi. xxvii./ 2. 



THIS bird appears about Cumberland River in 

 North America in April : it is four inches and 

 a half in length : the upper parts are verditer, 

 tinged with pale green, brightest on the forehead; 

 lores, line over the eye, throat, and under parts, 

 pale cream-colour : cheeks tinged with greenish : 

 tail and wings dusky ; the former marked on the 

 three outer webs with white, and edged with 

 greenish ; and the greater and middle wing-coverts 

 tipped with white : beak with the upper mandible 

 dusky, the lower, and the legs, blue. 



