572 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



dd. Paler, the throat and chest cinnamon-buff, the upper parts grayer. ( North- 

 ern Mexico, in States of Sonora, Chihuahua, Coahuila, Nuevo Leon, 

 Tamaulipas, Durango, Jalisco, and Zacatecas. ) 



Troglodytes brunneicollis cahooni (p. 588) 

 cc. Feathers of rump without concealed white spots; ground color of tail gray. 

 (Mountains of Santa Marta, Colombia.) 



Troglodytes monticola (extralimital)" 

 aa. Tail less than three-fourths as long as wing. 

 6. Culmen not more than 14; under parts neither white nor rufous-cinnamon, 

 c. Flanks heavily barred with dusky brown (except in young); throat and super- 

 ciliary stripe tawny or tawny-ochraceous; tail 35 or more. (Highlands of 



Guatemala. ) Troglodytes rnfooiliatus (p. 588) 



cc. Flanks very slightly if at all barred; throat and superciliary stripe ochra- 

 ceous-buft; tail less than 35. 

 d. Flanks without trace of bars; upper parts paler and duller brown; tarsus 

 17.5-18. (High mountains of Costa Eica and Chiriqui.) 



Troglodytes ochraoens (p. 590) 

 dd. Flanks barred with dusky; upper parts darker and brighter brown; tar- 

 sus 19-20. (Ecuador; Peru?; Colombia?) 



Troglodytes solstitialis (extralimital) ^ 

 bb. Culmen 15 or more; under parts white (becoming rufescent laterally), rufous- 

 cinnamon, or pale cinnamon, 

 c. Under parts white, becoming rufescent or tawny on sides and flanks. 

 d. Smaller (adult male averaging, wing 53, tail 38, exposed culmen 17, tarsus 

 18.2). (Islandiof Santa Lucia, Lesser Antilles.) 



Troglodytes mesoleucus (p. 591) 

 dd. Larger (adult male averaging, wing 59.2, tail 43.4, exposed culmen 17, 

 tarsus 20.8). (Island of St. Vincent, Lesser Antilles.) 



Troglodytes musicus (p. 591) 

 cc. Under parts rufous-cinnamon or pale cinnamon. 

 d. Larger (wing 53-59, exposed culmen 16-18) . 

 e. Tawny rufescent brown above; under tail-coverts plain cinnamon-rufous; 

 pale cinnamon of under parts deepening into cinnamon-rufous on 

 flanks. (Island of Grenada, Lesser Antilles.) 



Troglodytes grenadensis (p. 592) 

 ee. Deep grayish brown aboveif under tail-coverts tipped with white and 

 broadly barred with black; pale cinnamon of under parts duller, but 

 little deeper on flanks. (Island of Martinique, Lesser Antilles.) 



Troglodytes martinicensis (p. 593) 

 dd. Smaller (wing 48-53.5, exposed culmen 15-16.5). 

 e. Under parts deep rufous-cinnamon, the under tail-coverts spotted with 

 black, but without white tip; brown of upper parts brighter, more 

 chestnut. (Island of Dominica, Lesser Antilles.) 



Troglodytes rufescens (p. 594) 



ee. Under parts buffy cinnamon, the under tail-coverts barred with black 



and broadly tipped with white; brown of upper parts duller. (Island 



of Guadeloupe, Lesser Antilles.) ..Troglodytes gnadeloupensis (p. 595) 



(i Troglodytes monticola Bangs, Proc. Biol. Soc. Wash., xiii, Nov. 11, 1899, 106 

 (Paramo de Chiruqua, province of Santa Marta, . Colombia, 15,000 ft. alt.; coll. 

 E. A. and 0. Bangs; also Paramo de Macotama, 11,000-15,000 ft. alt.). 



>> Troglodytes solstitialis Sclater, Proc. Zool. Soc. Lond., 1858, 550 (Matos and Pinipi, 

 centr. Ecuador; coll. P. L. Sclater); Sclater and Salvin, Exotic Orn., iii, 1867,45, 

 pi. 23, flg. ];(?) Proc. Zool. Soc. Lond., 1879, 493 (Antioquia, Colombia); Tacza- 

 nowski, Orn. du P^rou, i, 1884, 521 (Maraynioc and Punamarca, centr. Peru); Salvjn 

 and Godman, Biol. Centr. -Am., Aves, i, 1880, 102, part; Sharpe, Cat. Birds Brit. Mus., 

 vi, 1881, 260, part. 



