752 BULLETIN 50, UNITED STATp:S NATIONAL MUSEUM. 



toniia; iiuuidil)le brownish white (in dried .skins); legs and feet pale 

 horn brow nish (in dried skins). 



Young, first plimiage. — Pileuni and sides of head plain deep soot}'-' 

 brown or sepia; rest of upper parts plain olive-])rown, the remiges and 

 rectriees as in adults; middle and greater wing-coverts tipped with 

 pale brownish buff, forming two distinct narrow bands across wing; 

 a supra-auricular streak of brownish l)uff; chin and upper throat dusky, 

 the feathers partl}^ dull grayish white; lower throat dull brownish 

 buffy white; chest, breast, sides and flanks grayish brown, intermixed 

 with nioi'c rusty brown; median portion of breast and abdomen dull 

 l)ufly white. 



Adult 7iiale.—ljQn^i\v (skins), 121-132 (126); wing, 59-66 (63); tail, 

 58-62 (59.7); exposed culmen, 10-12 (11); tarsus, 23.' 



Adult female.— l^Qw^ih (skins), 120-131 (127.2); wing, 58-65 (61); 

 tail, 55-61 (58); exposed culmen, 11; tarsus, 23.' 



Highlands of Costa Rica (San Jose; La Palma; Volcan de Irazii) 

 and Cliiricpd (Volcan de Chiriqui; Boquete). 



Bamleuterus melamH/eniia Bairjj, Review Am. Birds, May, 1865, 248 (San Jose?, 

 Costa Rica; coll. U. 8. Nat. Mus. ).— Lawrence, Ann. Lye. N. Y., ix, 1868, 95 

 (San Jose). — Salvin, Proc. Zool. Soc. Lond., 1870, 183 (Volcan de Chiriqui, 

 Veragua). — Salvin and (todman, Biol. Centr.-Am., Aves, i, 1881, 174, pi. 10, 

 fig. 3 (San Jose and Volcan de Irazii, Costa Rica; Volcan de Chiriqui). — 

 Sharpe, Cat. Birds Brit. Mus., x, 1885, 398.— Zeledon, Anal. Mus. Nac. 

 Costa Rica, i, 1887, 107 (La Palma de San. Jose).— Cherkie, Proc. U. S. Nat. 

 Mus., xiv, 1891, 528 (descr. young).— Bangs, Proc. New Kngl. Zool. Club, iii, 

 1902, 60 (Boquete and Volcan de Chiriqui, Chiriqui, 4,500-10,200 ft.). 



[Basileuterus'] melauof/cnijs Sclateh and Salvin, Nom. Av. Neotr., 1873, 10. 



BASILEUTERUS MELANOTIS Lawrence. 

 BLACK-EARED WARBLER. 



Adults {sexes alike). — Pileum with two broad lateral stripes of black, 

 inclosing a broad median stripe of pale grayish buff*, the former extend- 

 ing to and including sides of nape, the latter more grayish on median 

 portion of nape, the middle portion (on crown) sometimes pure ])uff'; 

 rest of upper parts plain greenish olive; a bi'oad superciliary stripe, 

 involving anterior portion of lores, pale buffy gray; spot in front of 

 eye and postocular streak black, this extending to sides of neck and 

 sometimes involving posterior and lower portions of auricular region; 

 suljorl)ital region, at least part of auricular region, and malar region 

 pale buffy grayish, like superciliary stripe; chin and upper throat dull 

 white; rest of under parts pale yellow (betw^een canar}^ and sulphur 

 yellow), passing into greenish olive on sides and tianks and more or less 

 strongly shaded with the .same, or with gi-ayish olive, on cJiCot; max- 

 illa brown, darker basally; mandible pale brown or brownish w^hite (in 

 dried skins); iris yellow;^ legs and feet pale brown (in dried skins). 



^Four specimens, from Chiriqui. ^ Jose C. Zeledon, manuscript. 



