fi84 



BULLETIN 50, TTNTTED STATES NATIONAL MtTSETTM. 



(()7.5); tail, -tO.a-oT (50.1); exposed culmen, 17-20 (Is.r)); tarsus, 

 22-25.5 (23.6); middle toe, M-IT (16.1)." 



Nicaragua (Sucuya) and Costa Rica (Angostura; San Jose; San 

 Mateo; Monte liedondo; Alajiiela; liebedero; Volcandelrazu; Lagarto; 

 Pozo Azul de Pirris; (luaitil; La Palma de JSIicoya) to northern Colom- 

 bia (Cacagualito; Bonda; Obispo; Massinga la Vega; Minca). 



Thryothorus rufalbus (not of Lafresnaye) Sclater, Proc. Zool. Soc. Lond., 1856, 

 140 (David, Chiriqui); Cat. Am. Birds, 1862, 20, part (Santa Marta, Colom- 

 bia). — Cabaxis, Journ. fiir Orn., 1860, 408 (Costa Rica). — Lawrence, Ann. 

 Lye. N. Y., viii, 1863, 5 (Panama R. R.), 175 (D^vid, Chiriqui).— Sclater 

 and Salvin, Proc. Zool. Soc. Lond., 1864, 345 (Panama R. R.). — Frantzius, 

 Journ. fur Orn., 1869, 291 (San Jose, Costa Rica). — Salvin, Proc. Zool. Soc. 

 Lond., 1870, 181 (Chitra, Castillo, and Calovevora, Veragua). 



[Tliri/utltontfi'] ?"./o76?(.s- Baird, Review Am. Birds, 1864, 122 (diagnosis). 



Thri/opltilus rufalbus, var. r»/oZ/^MsBAiuD, Review Am. Birds, Aug., 1864, 128, part 

 (Panama R. R. ; Costa Rica). 



Thryophilus rufaUms Lawrence, Ann. Lye. N. Y., ix, 1868, 92 (San Mateo, Costa 

 Rica). — Salvin and Godm.\n, Biol. Centr.-Am., Aves, i, 1880, 82, part (San 

 Jose, Volcan de Irazu, San Mateo, and Bebedero, Costa Rica; David, Boquete 

 de Chitra, Castillo, and Calovevora, Veragua; Panama R. R. ; Obispo, Colom- 

 bia).— Sharpe, Cat. Birds Brit. Mus., vi, 1881, 212, part (Paraiso station, 

 Panama R. R; Calobre, Veragua; Costa Rica). — Zeledon, Cat. Aves de 

 Costa Rica, 1882, 3; Proc. U. S. Nat. Mus., viii, 1885, 105 (Costa Rica).— 

 Nutting, Proc. U. S. Nat. Mus., v, 1882, 390 (La Palma de Nicoya, Costa 

 Rica; habits; song); vi, 1883, 381 (Sucuya, Nicaragua; habits; song). 



\_Thryophilus] rufalbus Sclater and Salvin, Nom. Av., Neotr., 1873, 6, part. 



{Troglodytes] rufalbus Gray, Hand-list, i, 1869, 190, no. 2593. 



llirijopJdlus rufalbus rufalbus Goode, Bull. U. S. Nat. Mus., no. 20, 1883, 345. 



Thryothorus longirostris (not Troglodytes longirostris Vieillot) Lawrence, Ann. 

 Lye. N. Y., vii, 1861, 320 (Panama R. R.). 



Tliryophilus rufalbus custanonotus Ridgway, Proc. Bost. Soc. N. H., xxiii. Mar., 

 1888, 386, in text (Nicaragua to Colombia; type from Angostura, Costa Rica, 

 in coll. U. S. Nat. Mus. ).— Zelepon, Anal. Mus. Nac. Costa Rica, i, 1887, 

 105 (Monte Redondo, Pozo Azul de Pirris, and Alajuela, Costa Rica). — 

 Cherrie, Proc. U. S. Nat. Mus., xiv, 1891, 519 (Costa Rica;crit.); Expl. 

 Zool. Merid. Costa Rica, 1893, 10 (Lagarto, Costa Rica). — Allen, Bull. Am. 

 Mus. N. H., xiii, 1900, 179 (Cacagualito, Bonda, and Minca, Santa :\rarta, 

 Colombia; crit. ). — Bangs, Auk, xviii, 1901, 368 (Divala, Chiriqui). 



« Nine specimens. 



Specimens from different localities average, respectively, as follows: 



