VIREO. Soa 
Bill large and robust; .30 or more from nostrils to tip. 
First quill more than half 2d. 
Superciliary stripe reaching only totheeye. Two 
whitish wing bands. 
Second quill about equal to the secon- 
daries. 
Above bright olive green; beneath 
greenish-yellow, with buffy or 
ochry tinge. Wing bands and 
margins of secondaries’ broad. 
Eyelids and region behind eye 
uniform with the cheeks . ochraceus. 
Aboveashy olive. Wing bands and 
light outer margins of inner 
secondaries broad. Eyelids 
and region behind eye yellow- 
ish, in moderate contrast with 
the cheeks . é 4 - crassirostris, 
Second quill decidedly shorter than the 
secondaries. 
Above plumbeous olive. Wing 
bands very narrow; light 
edgings of inner secondaries 
almost inappreciable. Eyelids 
and region behind the eye yel- 
lowish, in strong contrast with 
the cheeks . 2 : - gundlachi. 
Superciliary stripe reaching to the nape. No 
bands on the wing. 
Second quill about equal to secondaries. 
Above bright olive green ; beneath, 
with superciliary stripe, deep 
olivaceous-yellow. Tail length- 
ened. (Largest and most deep- ; 
ly colored of all the species.) . hypochryseus. 
Vireo, Vieill. 
Vireo atricapillus. 
Vireo atricapillus, Woopuovuse, Pr. A. N. Sc. 1852, 60 (San Pedro, Tex.). 
—Is. Sitgreave’s Rep. 1853, 75, pl. i, Birds. —Cassin, Illust. 1854, 
153, pl. xxiv.—Barrp, Birds N. Am. 1858, 337. 
Hab. Southern border of Western Texas. 
(No. 6,818, 4.) Top and sides of head and neck black; rest of upper parts 
olive green. Wing- and tail-feathers almost black on their upper surface, 
the quills and rectrices edged with olive (paler on the exterior primaries), 
23 May, 1860. 
