FAMILY VIKKONID^E. VIKEOS. 



27;] 



Group 3. Wing, from 2.75 to 3.25 inches long. 



Bi41, with small but distinct liool< ; no streaks on back or breast ; 

 breast or throat, never spotted. 



First pnmaiy, longer than fourth ; back aud rump, olive; crown, pluml.eous 

 gray, or bluish gray; no dusky streak from base of bill on sides of throat : 

 underparts, white, tinged with pale yellowish green on sides of body. 



Red-eyed Vireo. 



Vireo oliraccns. 

 See No. 470. 



Similar to Vireo oUvacens^ but having a 

 tlusky streak or line extending from 

 base of lower mandible on side of 

 throat. 



Black^whiskered Vireo. 



Vireo calidris barhatiilns. 

 See Xo. 469, 



^'lttTZ7:r7:'Z\ "' "y ' ''■^^" ^"^ back, grayish olive; under- 

 wCbars. ' ^ ^ '^"^'^ ^''^ olive, or yellowish on sides; no white 



Warbling Vireo. 



Vireo gilviis. 

 See No. 473. 



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