684 



BULLETIN" SO, TTNITED STATES NATIONAL MTTSETJM. 



(67.5); tail, 46.6-57 (50.1); exposed culmen, 17-20 (18.5); tarsus, 

 22-25.5 (23.6); middle toe, 14-17 (16.1).« 



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

 Mateo; Monte Eedondo; Alajuela; Bebedero; Volcandelrazfi; Lagarto; 

 Pozo Azul de Pirris; Guaitil; La Palma de Nicoya) to northern Colom- 

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



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

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

 bia). — Caeanis, Journ. fiir Orn., 1860, 408 (Costa "Rica). — Lawkence, Ami. 

 Lye. ]Sr. Y., viii, 1863, 5 (Panama R. R.), 175 (David, Chiriqui).— Sclatee 

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

 Journ. fiir Orn., 1869, 291 (San Jos6, Costa Rica). — Salvin, Proc. Zool. Soc. 

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



[Thryothorusl rufalbus Baibd, Review Am. Birds, 1864, 122 (diagnosis). 



Thryophilus rufalbus, var. rufalbusBAiRB, Review Am. Birds, Aug., 1864, 128, part 

 (Panama R. R. ; Costa Rica). 



Thryophilus rufalbus Lawkence, Ann. Lye. N". Y., ix, 1868, 92 (San Mateo, Costa 

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

 Jos6, Volcan de Irazu, San Mateo, and Bebedero, Costa Rica; David, Boquete 

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

 bia). — Shahpb, 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. 



ITroglodytes'] rufalbus Gray, Hand-list, i, 1869, 190, no. 2593. 



Ihryophilus 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.). 



Thryophilus rufalbus castanonotus Rid_gway, 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.). — Zeledon, Anal. Mus. Nac. Costa Rica, i, 1887, 

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

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

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

 Mus. N. H., xiii, 1900, 179 (Cacagualito, Bonda, and Minca, Santa Marta, 

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



« Nine specimens. 



Specimens from different localities average, respectively, as follows: 



