194 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Jose), British Honduras (Belize), etc., to eastern Nicaragua (Grey- 

 town, February). 



Vireo ochraceus Salvin, Proc. Zool. Soc. Lond. , 1863, 188 (San Jose, Guatemala; 

 coll. Salvin and Godman). — Baird, Review Am. Birds, 1866, 366 (Mazat- 

 lan, w. Mexico; Merida, Yucatan; San Jos^, Sakluk, and near Peten, Guate- 

 mala). — Lawkence, Mem. Best. Soc. N. H., ii, 1874, 272 (Mazatlan) . — Salvix 

 and Godman, Biol. Centr.-Am., Aves, i, 1881, 201, pi. 12, fig. 1 (Progreso, 

 Yucatan; Corosal, British Honduras; Sakluk, near Peten, Guatemala; etc. ). — 

 Gadoav, Cat. Birds Brit. Mus., viii, 1883, 302.— Richmond, Proc. U. S. Nat. 

 Mus., xvi, 1893, 486 (Greytown, Nicaragua, Feb. 1 and Apr. 10; crit. ). — 

 Chapman, Bull. A ii. Mus. N. H., viii, 1896, 278 (Chichen Itza, Yucatan). 



I Vireti] ochraceus Sclater and Salvin, Nom. Av. Neotr., 1873, 12. 



r[?Vco] ochraceus Ridgway, Man. N. Am. Birds, 1887, 476. 



Vireo semiflavus Salvin, Proc. Zool. Soc. Lond., 1803, 188 (plains of Peten, 

 Guatemala; coll. Salvin and Godnian). 



VIREO FALLENS Salvin. 

 PALE VIREO. 



Similar in size, details of form, and pattern of coloration to Y. 

 ochraccnx^ but \ipper parts grayish olive or dark olive-gray and under 

 parts dull white. 



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

 coverts and lesser wing-coverts plain grayish olive or deep olive-gray;; 

 wings and tail dusky with pale olive edgings (these whitish on tertails), 

 the middle and greater wing-coverts tipped with dull white, producing 

 two distinct bands across wing; broad supraloral streak and mark 

 above posterior angle of eye dull yellowish white, separated by a 

 dusky space occupying most of upper eyelid; lower portion of lores 

 pale dull grayish; auricular and suborbital regions pale grayish olive; 

 malar region, chin, throat, and rest of under parts dull white, faintly 

 tinged with j^ellowish olive; axillars and under wing-coverts yellowish 

 white; maxilla brown with paler tomia; mandible pale brown (in dried 

 skin); legs and feet horn color (in dried skin — grayish blue in life?); 

 length (skin), 118; wing, 55; tail, 46; exposed culmen, 12; tarsus, 

 20.5; middle toe, 11. « 



Western Nicaragua (Realejo) and Costa Rica (Punta Arenas). 



Vireo pallens Saln'in, Proc. Zool. Soc. Lond., 1863, 188 (Punta Arenas, w. Costa 

 Rica; coll. Salvin and Godman) ; Ibis, 1866, 193 (Realejo, \v. Nicaragua). — 

 Baird, Review Aid. Birds, 1866, 365 (Realejo). ^Lawrence, Ann. Lye. N. Y., 

 ix, 1868, 97 (Punta Arenas, Costa Rica). — Salvin and Godman, Biol. Centr.- 

 Am., Aves, i, 1881, 202, pi. 12, flg 2.— Zeledon, Anal. JIus. Nac. Costa Rica, 

 i, 1887, 108 (Costa Rica).— Cherbie, Proc. U. S. Nat. Mus., xiv, 1891, 528 

 (Punta Arenas, Costa Rica; crit.). 



\_Vireo'] pallens Sclater and Salvin, Nom. Av. Neotr., 1873, 12. 



V\ireo'] pallens Ridgway, Man. N. Am. Birds, 1887, 478. 



[Viri'D ochraceus.] Subsp. n. Vireo pallens (Jadow, Cat. Birds Brit. Mus., viii, 

 1S83, 302. 



n()ne specimen (acotype), no. 33601, coll. U. S. Nat. Mus., Realejo, Nicaragua, 

 May 16, 1863; 0. Salvin. 



