736 BLUE BIOUNTAIN WARBLER. 



and thighs yellowish white : the two middle tail- 

 feathers ash-coloured; the rest black, with the 

 bases of their inner webs white : legs grey. In- 

 habits Canada. 



BLUE MOUNTAIN WARBLER* . 

 (Sylvia montana.) 



Sy. olivaceo-Jlava, suhtus dilute fiana, f route, genis, mentOf lateri- 

 busque colli flavis, cauda rotundata ; rectricibus duobus laterali- 

 bus apice interne albis. 



Olive-yellow Warbler, beneath pale yellow, with the forehead, 

 cheeks, throat, chin, and sides of the neck, yellow; tail 

 rounded, its two outer feathers white at the tip within. 



Sylvia montana. fVils, Amer. Orn, 5. 113. 



Blue Mountain Warbler. Wils. Amer, Orn, 5, 113.^^. xliv. 

 f,2. 



The male of this bird is four inches and three 

 quarters in length : the upper parts rich olive- 

 yellow : front, cheeks, and chin, and sides of the 

 neck, yellow : breast and belly pale yellow, streaked 

 with blackish : vent plain dull yellow : wings black ; 

 first and second row of coverts broadly tipped with 

 pale yellowish white ; tertials the same : the rest 

 of the quills edged with whitish: tail rounded, 

 black, edged with pale olive ; the two exterior 

 feathers, on each side, white on their inner vanes 

 from the middle to the tips, and on their outer 

 edges: legs and feet purple-brown: beak dark 



