714 



BAY-BREASTED WARBLER. 

 (Sylvia castanea.) 



Sy. griseo-^avescens, gula, pectore hyjjochondriisque pallide cas- 

 taneis, fronte, genis, superciliis, strigaque per oculos, nigris, 

 fascia alarum duplici alba. 



Greyish-yellow Warbler, with the throat, breast, and sides, pale 

 chesnut ; the forehead, cheeks, eyebrows, and stripe through 

 the eyes, black ; and a double white stripe on the wings. 



Sylvia castanea. Wils, Amer. Orn. 2. 97. 



Bay-breasted Warbler. Wils. Amer, Orn, 2. Q7.pl. ^i^'f. 4. 



The Bay-breasted Warbler is a very scarce 

 species, at least in Pensylvania, through which 

 place it passes during the month of May, in its 

 passage to the north : it soon disappears, and is 

 not seen again till the autumn, when very few, in 

 proportion to those seen in the spring, are ob- 

 served : it is an active, restless bird, and feeds 

 upon insects : the nest and eggs are unknown. 

 The length of it is five inches : the beak is black : 

 the irides hazel : the throat, breast, and sides of 

 the body, pale chesnut : the forehead, cheeks, eye- 

 brows, and stripe through the eye, black : the 

 crown deep chesnut : towards the nape yellowish: 

 hind head and back greyish buff-colour, striped 

 with black : wings brownish black, crossed with 

 two bars of white : tail forked, dusky black, with 

 cinereous margins, the three outer feathers marked 

 with a white spot on their inner webs : beneath 

 the eye is a broad oblong spot of yellowish white : 



