BIRDS OF NORTH AND MIDDLE AMERICA. 



183 



VIREO NOVEBORACENSIS NOVEBORACENSIS (Gmelin). 

 WHITE-EYED VIREO. 



Adults {sexes alike). — Above plain greenish olive or dull olive-green, 

 usually passiiio- into grayish on hindnock; Avinos and tail dusky grayish 

 brown with light olive-green edgings, the middle and irreater wintr. 

 coverts rathcn- broadly tipped with pale yellow or yellowish white, pro- 

 ducing two distinct l)ands across wing, the tertials })roadly edged with 

 the same (except in worn plumage); broad supraloral stripe and nar- 

 row orbital ring canary or sulphur yellow; a dusky loral streak, 

 extending to anterior angle of eye, where interrupting the yellowish 

 orbital ring; auricular and suborbital regions and sides of neckgraj'ish 

 olive or olive-gray, fading into very pale gray or grayish white on 

 malar region; chin, throat, median portion of chest and breast, abdo- 

 men, and under tail-coverts dull white, passing laterally into pale 

 yellow, more or less washed with olive, on sides and flanks, the chest 

 and breast more or less tinged with yelloAV or grayish (or both), the 

 anal region and shorter under tail-coverts also tinged with yellow; 

 axillars and under wing-coverts pale yellow (primrose) or 3'ellowish 

 white; inner webs of remiges edged with grayish white; maxilla black, 

 with paler tomia; mandible grayish black in dried skins, bluish gra}' in 

 life; iris white; legs and feet dusky (grayish blue in life). 



Young. — Similar to adults, but upper parts duller and browner; 

 supraloral stripe and orbital ring grayish white or brownish white, 

 instead of yellow; chin, throat, and chest ver}" pale gray or brownish 

 gray; sides and flanks pale olive-yellow: iris brownish. 



Adult ;//^/7./. —Length (skins), 108-122 (110.1); wing, 60-65 (61.4); 

 tail, 46-53 (49); exposed culmen, 9.5-11 (10.1); tarsus, 18-20 (19.5); 

 middle toe, 9-11 (10.2).« 



Adult femcde.—hQwgth. (skins), 108-121 (114.8); wing, 57-63 (60.5); 

 tail, 44-51 (47.3); exposed culmen, 9.5-11 (10.1); tarsus, 18.5-21 (19.7); 

 middle toe, 10-11 (10.4).* 



« Eighteen (specimens. 

 * Thirteeu specimens. 

 Eastern and western specimens compare in average measurements as follows: 



Loeiilitv. 



Ten adult males from Atlantic States 



Eight adult mules fntm Mississippi Valley 



i-EMALES. 



Ten adult females from Atlantic States 



Three adult females from. Mississippi Valley. 



19.3 

 19. 7 



20 



18. S 



Middle 

 toe. 



10 

 10.3 



10.6 

 10.3 



