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 deciirtaia Bonaparte, Proc. Zool. Soc. Lond., 1837, 118. 



[Pachysylvia] decurtata Bonaparte, Consp. Av., i, 1850, 309. 



Pachysylvia decurtata Baied, Rep. Pacific E. E. Surv., ix, 1.858, 305. 



Hylophilus decurtatus Baird, Eeview Am. Birds, May, 1866, 380 (s. Mexico; 

 Guatemala). — Salvin, Proc. Zool. Soc. Lond., 1867, 13'/ (Santa F6, Veragua; 

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

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

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

 Lond., 1878, 53 (San Tob6, Costa Eica). — Sclatbr, Ibis, 1881, 298 (monogr. ).— 

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

 U. S. Nat. Mus., V, 1882, 391 (La Palma de Nicoya, w. Costa Eica).— Gadow, 

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

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

 Costa Eica, i, 1887, 108 (Pozo Azul de Pirris, Costa Eica). — Eidgway, Proc. 

 TJ. S. Nat. Mus., x, 1887, 579 (Truxillo, Honduras).— Eichmond, Proc. U. 

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

 Inst. Fis.-Geog. Nac. Costa Eica, vi, 1893, 13 (Eio Naranjo, Costa Eica). 



\_Hykyphilus\ decurtatvs Sclatee and Salvin, Nom. Av. Neotr., 1873, 12. 



fflylophilus] decurtatus Eidgway, Man. N. Am. Birds, 1887, 479. 



Hylophihxs pusUlus Lawrence, Ann. Lye. Nat. Hist. N. Y., vii, 1862, 323 (Panama 

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

 1868, 97 (Dota Mts. and A^%ostura»Costa Eica) . — Baird, Eeview Am. Birds, 

 1866, 381 (San Juan, Nicaragua; Santa Eosa, Dota, and Angostura, Costa Eica; 

 Panama). 



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

 and Texas"). 



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



Helmintheros? Sclatee, Proc. Zool. Soc. Lond., 1856, 291 (Cordova, Vera Cruz). 



Hylophilus cinereiceps Sclater and Salvin, Proc. Zool. Soc. Lond., I860, 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). 

 TAWITT-OROWUED PACHYSYLVIA. 



Adults {sexes alike). — Forehead and crown tawny-olive or olive- 

 tawny, the former becoming lighter and more yellowish anteriorly, 

 sometimes distinctly yellow, especially above upper margin of lores; 

 occiput duller or more olive than crown, the hindneck decidedlj'^ olive; 

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

 brown, paler on edges of primaries, the alula and primary coverts 

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

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



