408 BULLETIN 50, FNITED STATES NATIONAL MUSEUM, 



TYRANNISCUS VILISSIMUS VILISSIMUS (Sclater and Salvin). 

 PALTRY FLYCATCHER. 



Adults (sexes alU'e). — Pileum plain dull dusky slate or blackish 

 mouse gray, the hindneek similar but tinged with olive, passing into 

 plain greenish olive on back, scapidars, rump, up})er tail-coverts and 

 lesser wing-coverts; tail deep grayish l)rown (dark hair brown), the 

 outer webs of rectrices edged with greenish olive; wi]jgs dusky, the 

 greater coverts and secondaries edged w4th light yellow, the primaries 

 more narrowly edged with olive-yellow or yellowish olive, except 

 the four innermost; a rather indistinct superciliary stripe of gray- 

 ish white, becoming better defined and more purely white ante- 

 riorly; auricular region brownish; malar region, chin, throat, and 

 chest plain pale gray, rather more whitish anteriorly; sides, flanks, 

 and under tail-coverts olive-yellow washed with olive-green, fading 

 to yellowish white on median portion of breast and abdomen; axil- 

 lars and under wing-coverts mostly pale sulphur or primrose yellow; 

 maxilla brownish black or dusky, mandible slightly paler; legs and 

 feet dusky (in dried skins) . 



Adult male (supposed). — Length (skins), 102-123 (112); wing, 

 58-60 (59.3); tail, 46.5-48 (47.5); exposed culmen, 8.5-9.5 (9); tar- 

 sus, 18-19 (18.5); middle toe, 9-10 (9.5).« 



Adult female (supposed). — Length (skin), 99; wang, 52; tail, 39; 

 exposed culmen, 8.5; tarsus, 17; middle toe, 8.5.^* 



Guatemala (Coban; Calderas; Volcan de Fuego; Tactic; Choc- 

 tum; El Peten) and Honduras (San Pedro). 



Elainea vilissima Sclater and Salvin, Ibis, April, 1859, 122, pi. 4, fig. 1 (Coban, 

 Vera Paz, Guatemala; coll. Salvin and Godman). 



Elainia vilissima Salvin, Ibis, 1860, 194, in text (Coban). 



Tyranniscus vilissimns Sclater, Cat. Am. Birds, 1862, 216 (Coban); Cat. Birds 

 Brit. Mus., xvi, 1888, 132 (Coban, Calderas, and Volcan de Fuego, Guate- 

 mala). — Sclater and Salvin, Proc. Zool. Soc. Lcmd., 1870, 84.3 (San Pedro, 

 Honduras). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1888, 33. 



\^Tyrannisais] vilissimus Sclater and Salvin, Nom. Av. Neotr., 1873, 48. — Sharpe 

 Hand-list, iii, 1901, 121. 



[Elainia] vilissima Gray, Hand-list, i, 18()9, 350, no. 5414. 



TYRANNISCUS VILISSIMUS PARVUS (Lawrence). 

 LESSER PALTRY FLYCATCHER. 



Similar to T. v. vilissimus, but decidedly smaller and with the sides 

 and flanks less strongly olive and yellow. 



Adult maZe.— Length (skins), 94-109 (98); wing, 47-56.5 (51); 

 tail, 35-47 (38.4); exposed culmen, 7.5-9 (8.3); tarsus, 15.5-18.5 

 (16.5); middle toe, 7.5-9.5 (8.7).^^ 



a Three specimens, sex not determined. bQne specimen, sex not determined. 



<= Sixteen si)eeimens. 



