642 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Thryothorus modeslus (not of Cabanis) Salvin, Ibis, 1866, 205 (Coban, Guate- 

 mala). — ScLATER and Salvin Proc. Zool. Soc. Lond., 1870, 836 (San Pedro, 

 Honduras). 



Thri/ophilus modestus puUus Eidgway, 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. modestus^ but decidedly larger, with relativel}" larger 

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

 etc., light olive-brown instead of fulvous. 



Adults {sexes alike). — Pileum and hindneck plain dark brownish gray 

 (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 gra3dsh brown (prouts brown to hair brown) broadl}'- barred with 

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

 tinctlj^ barred with dusky, the greater coverts sometimes showing 

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

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

 brownish gray, occup3"ing upper portion of auricular region; a loral 

 streak of dusk}^ Ri'^}^? suborbital, malar, and auricular regions (except 

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

 grayish dusk}^; chin, throat, and median under parts of bod}' white, 

 the chest more or less strongl}' 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 

 gra}^ in life?). 



Adult male.— 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.—ljQngth (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). 



Tliryophilus zeledo7ii Ridgway, Proc. U. S. Nat. Mus., i, Dec. 10, 1878, 252 (Tala- 

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

 and GoDMAN, Biol. Centr.-Am., Aves, i, 1880, 84. — Sharpe, Cat. Birds Brit. 

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

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

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

 Sabalos, 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. ^Two specimens. 



