218 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Southern Mexico, in States of Vera Cruz (Cordova, Buena Vista, 

 Motzorongo), Oaxaca, Tabasco, Yucatan (Puerto Morelos, La Vega), 

 and Chiapas, and southward through Central America to Isthmus of 

 Panama (Panama City, etc.). 



Sylvicola decartata Bonaparte, Proc. Zool. Soc. Lond., 1837, 118. 



[Pachysylvial decurfafa Bonaparte, Consp. Av., i, 18o0, 309. 



ParJiysi/lritt denirtnta Baird, Rep. Pacifie R. R. Surv., ix, 1858, 305. 



Hj/hphilus decnrtatus Baird, Review Am. Birds, May, 1866, 380 (s. Mexico; 

 Guatemala). — Salvin, Proc. Zool. Soc. Lond., 1867, 137 (Santa Fe, Veragua; 

 crit.); 1870, 184 (BugaM, Veragua); 1872, 314 (Chontales, Nicaragua).— 

 Lawrence, Ann. Lye. N. Y., ix, 1868, 97 (Costa Rica); Bull. U. S. Nat. 

 Mus., no. 4, 1876, 18 (Chimalapa, Oaxaca). — Boucard, Proc. Zool. Soc. 

 Lond., 1878, 53 (San Jose, Costa Rica).— Sclater, Ibis, 1881, 298 (monogr. ).— 

 Salvin and Godman, Biol. Centr.-Am., Aves, i, 1881, 206. — Nutting, Proc. 

 U. S. Nat. Mus., V, 1882, 391 (LaPalma de Nicoya, w. Costa Rica).— Gadow, 

 Cat. Birds Brit. Mus., viii, 1883, 307. — American Ornithologists' Union, 

 Check List, 1886, 355 (hyj^othetical list, no. 19). — Zeledon, Anal. Mus. Nac. 

 Costa Rica, i, 1887, 108 (Pozo Azul de Pirris, Costa Rica). — Ridgway, Proc. 

 U. S. Nat. Mus., X, 1887, 579 (Truxillo, Honduras).— Richmond, Proc. U. 

 S. Nat. Mus., xvi, 1893, 487 (Greytown, etc., Nicaragua). — Cherrie, Anal. 

 Inst. Fis.-Geog. Nac. Costa Rica, vi, 1893, 13 (RioNaranjo, Costa Rica). 



[^HyloiihUuH] cZa^wrto<M.s' Sclater and Salvin, Nom. Av. Neotr., 1873, 12. 



H[ijlophUuiC\ decurtatufi Ridgway, Man. N. Am. Birds, 1887, 479. 



HyJophUus pusilliis Lawrence, Ann. Lye. Nat. Hist. N. Y., vii, 1862, 323 (Panama 

 R. R.; coll. G. N. Lawrence); viii, 1865, 180 (Greytown, Nicaragua); ix, 

 1868, 97 (Dota Mts. and Angostura, Costa Rica). — Baird, Review Am. Birds, 

 1866, 381 (San Juan, Nicaragua; Santa Rosa, Dota, and Angostura, Costa Rica; 

 Panama ) . 



Helinai brevipennis Giravd, Ann. Lye. N. Y., v, 1852, 40, pi. 3, fig. 1 ("Mexico 

 and Texas"). 



Vermirora brevipennis Baird, in Stansbury's Rep. Gt. Salt Lake, 1852, 328 (Texas). 



Helmintherosf Sclater, Proc. Zool. Soc. Lond., 1856, 291 (Cordova, Vera Cruz). 



Hylophilus cinereiceps Sclater and Salvin, Proc. Zool. Soc. Lond., 1860, 299 

 (Choctum, Vera Paz, Guatemala; coll. Salvin and Godman). — Salvin and 

 Sclater, Ibis, 1860, 397 (Vera Paz) ; Proc. Zool. Soc. Lond., 1864, 348 (Pan- 

 ama R. R. ). — Sclater, Cat. Am. Birds, 1862, 44 (Choctum; Cordova, Vera 

 Cruz). 



Hylophilus plumbiceps (error for cinereiceps) Lawrence, Ann. Lye. N. Y., vii, 

 1862, 323 (Panama R.R.). 



PACHYSYLVIA OCHRACEICEPS OCHRACEICEPS (Sclater). 

 TAWNY-CROWNED PACHYSYLVIA, 



Adults {sexes alike).- — Forehead and crown tawn>"-olive or olive- 

 tawn}', the former becoming lighter and more 3'ellowish anteriorly, 

 sometimes distinctly j^ellow, especially above upper margin of lores; 

 occiput duller or more olive than crown, the hindneck decidedly olive; 

 back, scapulars, and outer surface of wings olive- brown or russet- 

 brown, paler on edges of primaries, the alula and primar}^ coverts 

 plain dusky, in strong contrast with general color of wings; rump and 

 upper tail-coverts light olive or greenish olive; tail, russet; loral, 



