194 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Jose), Britifsli Plonduras (Belize), etc., to eastern Nicaragua (Grey- 

 town, February). 



Virt'o or hroceus H Alexis, Proc. Zool. .Soc. Lond., 1863, 188 (San Joee, Guatemala; 

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

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

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

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

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

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

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

 Chapman, Bull. An. Mus. N. H., viii, 1896, 278 (Chichen Itza, Y'ucatan). 



[ Vu-eo'] oc/(race«s ScLATER and Salvin, Nom. Av. Neotr., 1873, 12. 



r[ir€o] ochraceus Ridgway, Man. N. Am. Birds, 1887, 476. 



Vireo .trmiflavus Salvin, Proc Zool. Soc. Lond., 1863, 188 (plains o£ Peten, 

 Guatemala; coll. Salvin and Goilman). 



VIREO FALLENS Salvin. 

 PALE VIREO. 



Suuiiar iu size, details of form, and pattern of coloration to V. 

 (H'ltracri'-'i, but upper parts grayish olive or dark olive-gray and under 

 })arts dull v>^hitc. 



Adults. — Pileuni, hindneck, l)ack, scapulars, rump, upper tail- 

 coverts and lesser wing-coverts plain gra3asli olive or deep olive-gra}^; 

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

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

 tNvo distinct l)ands across wing; broad supraloral streak and mark 

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

 dusky space occupving most of Uj,:;:^er 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 yellowish 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. J:6; exposed culmen. 12; tarsus, 

 20.5; middle toe, 11." 



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



Vireo j>allens Salvin, Proc. Zool. Soc. Lond., 1863, 188 (Punta Arenas, w. Costa 

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

 Baikd, Review Am. 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, fig 2.— Zeledon, Anal. Mus. Nac. Costa Rica, 

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

 (Punta Arenas, Costa Rica; crit.). 



[ T'irtJo] paZ/en.s ScLATER and Salvin, Nom. Av. Neotr., 1S73, 12. 



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



[Vireij^ocJirdceii.'i.l Subsp. a. Vireo pal/ens (rADow. Cat. Birds Brit. Mus., viii, 

 1883, 302. 



«One specimen (acotypej, no. 33601, coll. U. S. Nat. Mus., Realejo, Nicaragua, 

 May 16, 1863; O. Salvin. 



