160 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



coverts, plain brownish olive-o-reen, the rump liohter and more 

 decidedly olive-green, the back browner; wings and tail dusky with 

 light olive-green edgings, the outer webs of greater wing-coverts and 

 tertials mostly gravish brown (hair Ijrown); a very distinct super- 

 ciliar}' stripe of dull Avhite, becoming pale brownish gray at posterior 

 extremity; below this a dusky brown loral or anteorbital triangular 

 spot and a rather broad brown postocular streak; lower portion of 

 postocular region pale brownish gray; suborbital and malar regions, 

 chin, throat, and upper portion of chest gravish white, sometimes 

 faintl}^ tinged with pale yellow; rest of under parts, including axillars 

 and under wing-coverts, pale vellow (pale lemon to between sulphur 

 and straw yellow), the sides and flanks faintly tinged with olivaceous; 

 bill brown, the mandible paler; iris brown; legs and feet grajdsh 

 duskv (grayish blue or bluish gray in lifeQ. 



Young. — Pileum, hindneck, back, scapulars, rump, upper tail- 

 coverts, and smaller wing-coverts, plain pale wood brown or fawn- 

 color; remiges and rectrices as in adults; greater wing-coverts as in 

 adults, but more olive-greenish and indistinctly tipped with pale yel- 

 lowish olive; superciliary stripe and under parts white, passing into 

 very pale olive 3'ellow on sides, flanks, and under tail-coverts. 



Adult male,— hength (skins), 121-12-1: (122.5); wing, 62-68 (65); 

 tail, 46-51 (48.5); exposed culmen, 10.5-11 (lo.T); tarsus, 17-17.5 

 (17.2); middle toe, 9.5-10 (9.7).« 



Adult female. — Length (skin), 124; wing, 67; tail, 49; exposed 

 culmen, 10.5; tarsus, 16.5; middle toe, 10.* 



Highlands of Costa Rica (San Jose, Dota, Barranca, Rancho 

 Redondo, etc.) 



Vireo josephse (not of Sclater, 1859) Salvin and Godman, Biol. Centr.-Am., 

 Aves, i, 1881, 194, part (Barranca, Rancho Redondo, and DotaMts., Costa 

 Rica).— Gadow, Cat. Birds Brit. Mus., viii, 1883, 297, part (Costa Rica). — 

 Zeledon, Anal. Mus. Nacj Costa Rica, i, 1887, 108 (Rancho Redondo de San 

 Jose, Costa Rica). 



Vireosylvia jonephse Baird, Review Am. Birds, May, 1866, 344, part (Barranca 

 and Dota, Costa Rica). — Lawrence, Ann. Lye. N. Y., ix, 1868, 96 (Barranca, 

 Rancho Redondo, and Dota Mts., Costa Rica). — Frantzius, Journ. fiir 

 Orn., 1869, 295 (Costa Rica).— Boucard, Proc. Zool. Soc. Lond., 1878, 53 

 (Naranjo, Costa Rica). 



IVireosylvia'] Josephs Sclater and Salvin, Nom. Av. Neotr., 1873, 12, part 

 (Costa Rica). 



V\ireosylvia gilva'] \ar. joseph.r Ridgwav, Am. Journ. Sci., iv, Dec, 1872, 456, 

 in text, part (Costa Rica). 



Vlireosyhial gilraYar.joi^epIiiv Baird, Brewer, and Kidcway, Hist. N. Am. Birds, 

 i, 1874, 360, footnote, part (Costa Rica). 



« Two specimens. ^ One specimen. 



