RED-EYED VIREO. 

 Length, 6"25 inches. Crown gray, bordered by black and white ; back, wings, 

 and tail olive-green ; under parts, white. 



YELLOW-THROATED VIREO. 

 Length, 5'95 inches. Crown and back greenish yellow ; rump gray ; breast 

 bright yellow ; belly white ; wing-bars white. 



