BIRDS OF NORTH AND MIDDLE AMERICA. 167 



loral stripe and orbital ring (the latter interrupted at anterior angle 

 of eye by a dusky loral mark) dull white; malar region, chin, throat, 

 and median portion of chest and breast dull white faintly tinged with 

 pale yellow, the last two more strongly so; abdomen, anal region, and 

 under tail-coverts white; sides and iianks mixed pale olive-green and 

 sulphur yellow, this encroaching on sides of breast; under wing- 

 coverts pale sulphur or primrose yellow; maxilla blackish with paler 

 tomia; mandible grayish (grayish blue or bluish gray in life?); legs 

 and feet grayish dusky (grayish blue in life ?) ; length (skin), 127; wing, 

 77; tail, 52; exposed culmen, 11; tarsus, 18; middle toe, 12.*' 



Highlands of Guatemala (Coban, Vera Paz). 



This bird, of which only one specimen is known, is intermediate in 

 wing-structure and coloration between Z. solitarius and L. flavifrons, 

 and may be a hybrid between these two species. 



Vireo solitarius (not Museicapa solitaria Wilson) Salvin and Sclater, Ibis, 1860, 



31, part (Coban, Vera Paz, Guatemala). 

 Vireosylvia propinqua Baied, Eeview Am. Birds, May, 1866, 348 (Coban, Vera 



Paz, Guatemala; coll. U. S. Nat. Mus.). 

 [Laniirireo solitarivis'] var. propinquus Baied, Beewee, and Kidgway, Hist. N. 



Am. Birds, i, 1874, 373. 

 Vlireo^ propinquus Salvin and Godman, Biol. Centr.-Am., Aves., i, Dec, 1881, 



197, in text.— BiDGWAY, Man. N. Am. Birds, 1887, 472. 



LANIVIREO SOLITARIUS SOLITARIUS (Wilson). 

 SOLITARY VIREO. 



Adult male.^ — Pileum, hindneck, sides of neck, auricular region, 

 suborbital region and malar region slate -color or deep slate-gray, 

 deepening into slate-blackish on posterior portion of lores; anterior 

 and upper portions of lores and broad orbital ring (interrupted ante- 

 riorly by blackish loral mark) white; back, scapulars, rump, and upper 

 tail-coverts, plain olive-green, the first usually more or less intermixed 

 with slate-gray; wings and tail slate-blackish with light olive-green 

 edgings, the outermost rectrix with outer web white; middle and 

 greater wing-coverts broadly tipped with yellowish white or pale sul- 

 phur yellow, forming two distinct bands; tertials with outer webs 

 broadly edged with yellowish ^hite or pale sulphur yellow; chin, 

 throat, and median under parts of body white; sides and flanks mixed 

 sulphur yellow and olive-greenish, in broad, ill-defined stripes; under 

 tail-coverts pale sulphur yellow, yellowish white, or white faintly 

 tinged with yellow; axillars and under wing-coverts pale sulphur yel- 

 low, the carpo-metacarpal coverts dusky gray margined with white; 

 inner webs of remiges and rectrices edged with white; maxilla black; 

 mandible grayish (pale grayish blue in life), becoming blackish ter- 



«One specimen, the type. 



^In adult birds there is, apparently, no seasonal difference in plumage. 



