BIRDS OF KOETH AND MIDDLE AMERICA. 637 



THRYOPHILUS SINALOA RUSSEUS Nelson. 

 RTTSSET WREN. 



Similai- to T. s. sinaloa, but coloration decidedly darker and richer, 

 the back, etc., deep russet-brown, upper tail-coverts cinnamon-rufous 

 or light chestnut, flanks between Isabella color and raw-uraber. 



Adult OT.«fo.— Length (skins), 133-137 (135); wing, 62-64 (63.2); 

 tail, 49-51 (60); exposed culmen, 16-16.5 (16.3); tarsus, 22-22.5 (22.3); 

 middle toe, 14-14.5 (14.3). « 



Adult female. — Length (skins), 124-130 (127); wing, 55.5; tail, 

 41.5-42.5 (42); exposed culmen, 15.5-17 (16.2); tarsus, 20.5-21.5 (21); 

 middle toe, 13-14.5 (13.7). " 



Southwestern Mexico, in State of Guerrero (Acahuitzotla). 



Thn/ophilas sinaloa russeus 'NeTuSOI^, Proc. Biol. Soc. Wash., xvi, Nov. 30, 1903, 157 

 (Acahuitzotla, Guerrero; coll. U. S. Nat. Mus.). 



THRYOPHILUS GALBRAITHII GALBRAITHII (Lawrence). 

 GALBRAITH'S WREN. 



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

 upper tail-coverts plain brown (nearest raw-umber) duller (between 

 raw-umber and broccoli brown) on pileum, brighter (nearly russet) on 

 rump and upper tail-coverts; tail clear russet broadly barred with 

 black; wings intermediate in color between color of back and tail, dis- 

 tinctly barred with black, the greater coverts more narrowly and less 

 distinctly barred, the middle and lesser coverts plain brown, or the 

 former wi^ very narrow and indistinct bars or faint indications of 

 bars; a rather narrow but distinct superciliary stripe of white; a rather 

 narrow but distinct postocular stripe of grayish brown (broccoli), 

 occupying upper portion of auricular region; lores, suborbital region, 

 and auricular region (except upper portion) dull white, the last some- 

 times narrowly and indistinctly streaked with grayish brown; malar 

 region, chin, and upper throat (sometimes whole throat) white or buffy 

 white; chest and breast light ochraceous-buff (sometimes decidedly 

 paler, in worn plumage approaching buffy white), deepening on sides, 

 flanks, lower abdomen, anal region, and under tail-coverts into deep 

 tawny -buff or tawny-ochraceous, the under tail-coverts without trace 

 of bars or other markings;" maxilla dusky horn color with paler 

 tomia; mandible pale grayish horn color (in dried skins);" legs and 

 feet dusky brown or blackish (in dried skins). 



Young. — Very similar in coloration to adults, but bars on wings 

 and tail duller black or dusky, brown postocular streak and white 



« Three specimens^, 

 6 Two specimens. 



c In one young example 1 find a single dusky spot near tip of the two longest 

 coverts. 



