KENTUCKY WARBLER. 399 



deep black ; the wings and tail dusky black ; the primaries marked 

 with a spot of white, and edged with olive green. Tail wedge-shaped, 

 edged with dusky blue, the feathers pointed ; 2 and sometimes 3 of 

 the external ones with a large white spot. Belly and vent white. 

 Legs and feet dusky yellow. Bill black. — The black of the female 

 inclined to dusky ash, or wanting. — The blue feathers of the hind 

 part of the head and back, as well as the dark ones on the flanks, 

 are edged with bright olive green ; perhaps a mark of the young 

 bird. 



CONNECTICUT WARBLER. 



{Sylvia agilis, Wilson, v. p. 6-1. pi. 39. fig 4.) 



Sp. Charact. — Bright yellow-olive ; beneath yellow ; throat pale 

 ash ; wings dusky. — Female, with the throat pale buflT. 



This very rare bird is a spring visitor in Pennsylva- 

 nia, New York, and New England. It appears to fre- 

 quent low thickets, and is exceedingly active in pursuit 

 of its prey, scarcely remaining a moment in the same 

 place. It probably winters in tropical America. 



Length 5| inches ; alar extent 8. Above rich yellow-olive, nearly 

 green ; wings dusky-brown, edged with olive. Throat dirty-white 

 or pale ash ; upper part of the breast dull greenish-yellow ; below 

 pure yellow. Round the eye a narrow ring of yellowish- white. 

 Bill, upper mandible pale brown ; the lower whitish. Iris hazel. 

 Legs long and slender, pale flesh-color. 



KENTUCKY WARBLER. 



{Sylvia formosa, Wilsox, iii. p. 85. pi. 25, fig. 3, Audubon, pi. 38. 

 Orn. Biog. i. p. 196. 



Sp. Charact. — Deep olive-green; beneath and line over the eye 

 golden yellow ; crown black, spotted behind with pale ash ; lores 

 and space curving down the neck, black. — Female without the 

 black under the eye, and nearly destitute of it on the crown, and 

 with the sides under the wings pale green. 



This beautiful species, first described by Wilson, fre- 

 quents the dark forests of the southwestern parts of the 

 Union, being particularly abundant in Louisiana, and 



