502 VIREOS. 



574. KEY WEST VIREO. 



Differs from last in being larger, much 

 grayer above and on sides of head, fig. 397. 

 Breeds from Middle Fla. south to Key West. 



575. BERMUDAN VIREO. 



Differs from last in being mnch more 

 gray with little yellow on sides. Bermuda 

 Islands. 



. 397 



.V 

 Key West Vireo. 



576. BELL VIREO. 



Smaller, 4.75; head, gray-brown; back, 

 dull olive green; line over eye, ring around 

 it, wing-bands and beneath, white, much 

 tinged with yellow below. Breeds in prairie 

 districts-of Mississippi Valley from southern 



