80 Synopsis of the Birth 



Yellow-throated Warbler, Sylvia fiavicollis, Wils. Am. 

 Orn. ii.p. 54. pi. 12. fig> 6. 



Inhabits the northern parts of the United States during 

 summer : extremely rare as far north as Pennsylvania : win- 

 ters in the West Indies. 



11 1. Sylvia virens. Lath. Yellowish-green; front, cheeks, 

 sides of the neck, and line over the eye, yellow ; beneath 

 white ; throat black ; wings bifasciate with white, and with 

 the tail, dusky ; three lateral tail feathers marked with white. 



Black-throated green Warbler, Sylvia virens, Wils. Am. 

 CVn. ii. p. vil.pl. \i.fig. 3. 



Inhabits the United States during summer; in Pennsyl- 

 vania a few days only in the spring on their way northward, 

 and in the autumn on their return ; rather rare. 



112. Sylvia blackburni^:, Lath. Head striped with black 

 and orange; throat and breast orange, bounded by black 

 spots ; wings with a large white spot ; three lateral tail 

 feathers white on the inner web. 



Blackburnian Warbler, Sylvia Blackbuniia, Wils. Am. 

 Orn. Hi. p. 64. pi. 28. fig. 3. 



Inhabits the United States during summer ; for a few days 

 only in the spring and autumn in Pennsylvania : rare. 



US. Sylvia icterocephala, Lath. Crown yellow; beneath 

 white ; sides, from the bill, chesnut ; wings bifasciate with 

 yellow ; three lateral tail feathers marked with white. 



Female destitute of chesnut on the sides. 



Chesnut-sided Warbler, Sylvia Pennsylvanica, Wils. Am. 

 Orn. i. p. 99. pi. ^4. fig. 5. 



Inhabits the United States during summer ; a few days 

 only in Pennsylvania in spring and autumn : rare. 



114. Sylvia cAbTAivEA, Wils. Forehead and cheeks black; 

 crown, throat, and sides under the wings, chesnut; wings 

 bifasciate with white ; three lateral tail feathers marked with 

 white. 





