BIRDS OF NORTH AND MIDDLE AMERICA. 627 



with black; chest, breast, and abdomen white, regularly and broadlj- 

 barred with black, the sides, flanks, and under tail-coverts more broadly 

 barred with black and pale chestnut or light rusty; maxilla dusky, with 

 paler tomia; mandible pale; legs and feet dusky or horn color (in dried 

 skins); length (skin), 14:0.5;<* wing, 63-66.5 (64.7);'' tail, 49.5 ;« exposed 

 culmen, 18;" tarsus, 34.5-25 (24.7);* middle toe, 14.5-16.5 (15.5).* 



Northwestern Colombia (Rio Truando, Isthmus of Panama; Antio- 

 quia ?). 



Thryothorus nigricapUlus (not of Sclater) Cassin, Proc. Ac. Nat. Sci. Phila., 1860, 



193 (Rio Truando, Isthmus Panama). 

 (f) Thryophilus nigricapUlus Sclater and Salvin, Proc. Zool. Soo. Lond., 1879, 



493 (Antioquia, Colombia). 

 Thryophilus nigricapUlus Salvin and Godman, Biol. Oentr.-Am., Aves, i, 1880, 



39, part (Truando, Isthmus Panama; Colombia?). — Shahpe, Cat. Birds Brit. 



Mus., vi, 1881, 217, part. 

 ^Thryophilus'] nigricapUlus Scl/lTer and Salvin, Nom. Av. Neotr., 1873, 7, part. 

 [Thryothorus'] schottii Baikd, Review Am. Birds, Aug., 1864, 123 (diagnosis). 

 Thryothorus schottii Baihd, Review Am. Birds, Sept., 1864, 133 (Rio Truando, 



n. Colombia; coll. U. S. Nat. Mus.). 



THRYOPHILUS SEMIBADIUS (Salvin). 

 SALVIN' S WREN. 



Adults {sexes alike). — Pileum, hindneck, back, scapulars, rump, and 

 upper tail-coverts uniform bright chestnut, the upper tail-coverts 

 sometimes indistinctly barred with dusky; tail black with narrow, 

 incomplete bars of pale vusty brown or brownish white, the inner 

 webs (except of middle rectrices) mostly or wholly uniform blackish; 

 wings dull black, the primaries duller, more brownish slaty; lesser 

 coverts narrowly barred with rusty brown; middle and greater coverts 

 barred with white; secondaries barred with light chestnut (sometimes 

 with pale buffy brown); outer webs of primaries with small spots 

 along edge, or serrated edging, of white or very pale brownish; a 

 narrow, more or less interrupted, superciliary streak of white, mar- 

 gined above by a narrow line of black; lores white, becoming grayish 

 or dusky toward eye; auricular, suborbital, and malar regions and 

 sides of neck white broadly streaked with black; chin and most of 

 throat white; rest of under parts very regularly barred with white 

 and black, the black bars narrower than the white ones anteriorilj'^, 

 broader on flanks and under tail -coverts, where the paler bars are more 

 or less strongly pale rusty brown or tinged with the same; maxilla 

 blackish with paler tomia; mandible pale yellowish or grayish (pale 

 yellow in life"); iris chestnut; '^ legs and feet black.'' 



Adult maZe.— Length (skins), 133-138 (135.6); wing, 63-64 (63.5); 



"One specimen. «Zeledon, manuscript. 



''Two specimens, neither with sex determined, 



