642 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



ThryothoruB modesius (not of Cabanis) Salvin, Ibis, 1866, 205 (Coban, Guate- 

 mala).— Sclatee and Salvin Proc. Zool. Soc. Lend., 1870, 836 (San Pedro, 

 Honduras). 



Thryophilus modesius pullus Ridgway, Proc. Biol. Soc. Wash., xvi, Nov. 30, 1903, 

 167 (Huehuetan, Chiapas; coll. U. S. Nat. Mus.). 



THRYOPHILUS ZELEDONI Ridgway. 

 ZELEDON'S WREN. 



Most like T. modesius, but decidedly larger, with relatively larger 

 bill and feet and shorter tail; coloration much grayer above, the flanks, 

 etc., light olive-brown instead of fulvous. 



Admits {sexes alike). — Pileum and hindneck plain dax'k brownish graj^ 

 (dark mouse gray to olivaceous hair brown) changing gradually on back 

 and scapulars into olive, the rump and upper tail-coverts similar but 

 slightly lighter and inclining very slightly toward raw-umber; tail 

 light grayish brown (prouts brown to hair brown) broadly barred with 

 dull black; wings same color as back, the remiges narrowly and indis- 

 tinctly barred with dusky, the greater coverts sometimes showing 

 traces of fainf bars; a rather narrow but sharply defined and conspicu- , 

 ous superciliary stripe of white; a narrow postocular stripe of dark 

 brownish gray, occupying upper portion of auricular' region; a loral 

 streak of dusky gray; suborbital, malar, and auricular regions (except 

 upper portion of latter) white, narrowly streaked (more or less) with 

 grayish dusky; chin, throat, and median under parts of body white, 

 the chest more or less strongly shaded with gray, at least laterally; 

 sides, flanks, and under tail-coverts light buffy olive or olivaceous 

 wood brown, the last without bars or other markings; under wing- 

 coverts white; maxilla blackish, with paler tomia; mandible pale gray- 

 ish (pale bluish gray in life?); legs and feet dusky or horn color (bluish 

 gray in life?). 



Adult maZe.— Length (skins), 132-148 (141); wing, 64-68(65.4); tail, 

 50-54 (52.6); exposed culmen, 19-21 (20); tarsus, 25-27 (26); middle 

 toe, 16-18 (17).'' 



Adult female.— \ji.^g^ (skins), 132-134 (133); wing, 60-63 (61.5); 

 tail, 47-48 (47.5); exposed culmen, 19; tarsus, 25; middle toe, 17.* 



Atlantic lowlands of Costa Kica( Pacuare, Talamanca) and Nicaragua 

 (Grey town; Los Sabalos). 



TkryophUm zeledoni Ridgway, Proc. U. S. Nat. Mus., i, Dec. 10, 1878, 252 (Tala- 

 manca, e. Costa Rica; coll. U. S. Nat. Mus.; ex Lawrence MS.) — Salvin 

 and GoDMAN, Biol. Centr.-Am., Aves, i, 1880, 84.— Shakpe, Oat. Birds Brit. 

 Mus., vi, 1881, 210.— Zeledon, Cat. Aves de Costa Rica, 1882, 3; Proc. U. S. 

 Nat. Mus., viii, 1885, 105 (CoataEica); Anal. Mus. Nac. Costa Rica, i, 1887, 

 105 (Pacuare, Costa Rica).— NnTTiNC, Proc. U". S. Nat. Mus., vi, 1884, 398 (Los 

 Sdbalos, Nicaragua).— Cherrie, Proc. U. S. Nat. Mus., xiv, 1891, 520 (Costa 

 Rica;, crit.).— Richmond, Proc. U. S. Nat. Mus., xvi, 1893, 483 (Greytown, 

 Nicaragua). 



"Five specimens. i>Two specimens. 



