BIKDS OF NORTH AND MIDDLK AMERICA. 623 



ff. Moro rufescent or c-iiinami>nieous brown above, the secondariep less 

 (li.-iHnctly barred; median under part.>; more broadly white; smaller 

 (adult male averaging:, wing 64, tail 48.7, exposed culmen 17; adult 

 female, wing 58.5, tail 44.2, exposed tulmen 16). (Western Nicara- 

 gua; western Costa Riea? ) Thryophilus plenrostictus ravnB (p. 631 ) 



ee. Throat and median portion of chest and breast barnd, streaked, orother- 

 wise marked with blackish. (Southern Mcxicu, in States <>\ Morelos 



and Puel )la. ) Thryophilus pleurostictus nisorius (p. 631 ) 



(/(/. Sides and flanks not l)arred. 

 ('. Un<ler tail-coverts barred. 

 /". LTpper part* chestnut-rufous or brownish rufous. ( Thri/ophilus rnfnlbus. ) 

 g. Blackish bai-s on tail much less than half as wide as the rufescent 

 interspaces; sides and flanks grayish. (Guatemala; Honduras?) 



Thryophilus rufalbus rufalbus (p. 632) 

 (jij. Blackish bars on tail nut less than half as wide as rufescent inter- 

 spaces; sides and Hanks fulvous brown. 

 /(. Larger and l)righter colored (adult male averaging, wing 70.1, tail 

 52.1, exposed culmen 19.1, tarsus 24.3; adult female, wing 68, 

 tail 50.5, exposed culmen 18.6, tarsus 23.4. (Eastern Nicaragua 



to Colombia. ) Thyrophilns rufalbus castanonotus (p. 633) 



/(/*. Smaller and duller colored (adult male, wing 68, tail 50, exposed 

 culmen 17.5, tarsus 23; adult female, wing 62, tail 45, exposed 

 culmen 16.5, tai"sus 22.5). (Coast of Venezuela and adjacent 

 portion of Colombia. ) 



Thryophilus rufalbus cumanensis (extralimital)" 

 If- Cpp^r parts grayish brown to russet lyrown. i Tltnioiy^iihis sinaloa.) 

 g. Biowner above. 



li. Deep russet-brown above, becoming cinnamon-rufous or light 

 chestnut on upper tail-coverts, i Southwestern Mexico, in State 



of Guerrero. ) Thryophilus sinaloa russeus ( p 637) 



////. Raw-umber l)rown above, becoming russet on upper tail-coverts. 

 (Western Mexico, in States of Jalisco, Sinaloa, and southern 

 Sonora, and Territory of Tepic. ) 



Thryophilus sinaloa sinaloa (p. 635) 

 gg. Grayer above, the back, etc., broccoli Itrown. becoming cinnamome- 

 ous wood brown on upper tail-coverts. (Northwestern Mexico, 

 in States of Sonora, Chihuahua, and Durango. ) 



Thryophilus sinaloa cinereus (p. 636) 

 ee. Under tail-coverts immaculate. 

 /. Rem iges distinctly barred with blackish; under parts of body entirely 

 buffy or tawny. 

 g. Fuller parts tawny-ochraceous, deeper on flanks and under tail- 

 coverts; pileum and back raw-umber brown. (Thrgophihis gal- 

 liraithii.) 



a Thryophilus rufalbus aimanemis Chapman, Auk, xiv, Oct., 1897, 363, 367 (ex 

 Trogloihjlcs cumanensis Lichtenstein, Nom. Av. !Mus. Berol., 1854. 34; type, in coll. 

 Berlin Mus., said by Cabanis, in .Tourn. fiir Orn., 1860, 408, to be from Cartagena, 

 Colombia). 



Although I have not seen specimens from Cartagena, those from Cumanacoa, 

 Venezuela, mentioned by ^Mr. Chapman, as cited above, are certainly different from 

 T. r. castanonotuK. 



