100 



KEY AND DESCRIPTION 



Elne-headed Vireo 



Length, 5| ; whig, 2f (2^-3); tail, 2J ; tarsus, |; culmen, |. North 

 America, from the Plains eastward ; breeding from New England to Hud- 

 son Bay, and wintering in Mexico to Central America. The Mountain 



Solitary Vireo (629=. V. 

 s. altlcola), of the higher 

 southern AUeghanies, 

 is a similar bird but 

 larger, and with the en- 

 tire upper parts a nearly 

 uniform dark lead-color 

 with almost no tinge of 

 green. Wing, 3^ (3-3|) ; 

 tail, 21. 



8. Black-capped Vi- 

 reo (630. Vireo atri- 

 capillus). — A small, 



rare, Texan, black-headed, olive-green-backed, white-bellied 



vireo, with olive-shaded sides. 



Length, 4| ; wing, 2^ ; tail, 2 ; tarsus, | ; culmen, ^. Central and 

 western Texas, north to southwestern Kansas. 



\j 9. White-eyed Vireo (631. Vireo noveboracinsis). — A small, 

 olive-green-backed, vs^hite-bellied vireo, with much yellowish on 

 wings, tail, and sides 

 of head, including two 

 distinct wing bars. A 

 ring around the eye, 

 and line from eye to 

 bill yellow. This is 

 a saucy inhabitant 

 of underbrush, with 

 mocking bird powers, 

 which it uses in in- 

 tricate " medleys " of 

 bird notes. 



White-eyed Vireo 



Length, 5; wing, 2|; tail, 2; tarsus, f; culmen, J. United States 

 from the Rocky Mountains eastward ; breeding north to southern New 

 England and Minnesota, and wintering from Florida as far south as 

 Central America. 



