228 Field Muskum ok Nati'kal Histouv -Zoch.ogy, Vol. IX. 



Bell's \'ireo. 



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

 yellow. ]^irco griseus. 



White-eyed Vireo. 



See No. 298. 



White-eyed Vireo. 



GROUP 2. Wing, from 2,37 to 2.75 inches long. 



First primary, very short; lores and eye ring, whitish; throat, 

 w^hitish ;1 breast and sides, faintly tinged with yellow; no wnng bars; 

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



Warbling Vireo. 



See No. 295. 



First primary, short, but longer than 

 in V. gilva; lores and eye ring, yellow; 



back, olive; w^ng coverts, edged with 

 white, forming wing bars. 



Vireo griseus. 

 White-eyed Vireo. 

 See No. 298. 



