228 Field Museum of Natural History — Zoology, Vol. IX. 



Bell's Vireo. 



Crown, grayish, often tinged with olive; orbital ring and lores, 

 yellow. Vireo griseus. 



White-eyed Vireo. 



See No. 298. 



White-eyed Vireo. 



GROUP 2. Wing, from 2.37 to 2.75 inches long. 



Firstyprimary, very short; lores and eye ring, whitish; throat, 

 whitish; breast and sides, faintly tinged with yellow; no wing bars; 

 crown, nearh- the same color as back. Vireosylva gilva. 



Warbling Vireo. 



See No. 295. 



\ A- «^ 



First primary, short, but longer than 

 in V gilva; lores and eye ring, yellow; 



■.>^^ back, olive; wing coverts, edged with 

 B^:" . 'J*"*""'' *' white, forming wing bars. 



Vireo griseus. 

 White-eyed Vireo. 



See No. 298. 



