796 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Panama (Panama City; Sabana de Panama; Paraiso Station; 

 Divala; David), and southward through Colombia (Bonda, Santa 

 Marta; Remedios, Antioquia; Bucaramanga ; Bogota) to northwest- 

 ern Ecuador (Pambilar; San Javier), eastern Peru (upper Ucaj^ali; 

 Chyavetas; Pebas; Yurimaguas; Sarayacu), Amazon Valley (Hjti- 

 taripa near Falls of Rio Purus; Diamantina; Santarem) and Vene- 

 zuela (Nericagua; Altagracia; Maipures; Suapure).'^ 



I'yrunnuhis elatus (not Sylvia elata Latham) Sclater, Proc. Zool. Soc. Lond., 

 1855, 150 (Bogota, Colombia); 1856, 141 (David, Panama); Cat. Am. Birds, 

 1862, 215 (Brazil; Bogota, Colombia); Cat. Birds B4-it. Mus., xiv, IBS, 1288, 

 part (Brazil; Amazonia; Pebas, e. Peru; Bogota, Remedios, and Bucara- 

 manga, Colombia; Paraiso Station, Panama). — Burmeister, Syst. XJeb. Th. 

 Bras., ii, 1856, 483.— Sclater and Salvin, Proc. Zool. Soc. Lond., 1866, 188 

 (upper Ucayali, o. Peru); 1867, 147, 751 (Huallaga and Ucayali rivers, 

 e. Peru); 1873, 279 (upper Ucayali, Chyavetas, and Pebas, e. Peru); 1879, 

 512 (Colombia)— Salvin, Proc. Zool. Soc. Lond., 1867, 147 (Veragua).— 

 Pelzeln, Orn. Bras., ii. Abth., 1869, 106; iv. Abth., 1870, 424.— Tacza- 

 NOWSKI, Proc. Zool. Soc. Lond., 1882, 19 (Yurimaguas, e. Peru); Orn. 

 du Perou, ii, 1884, 256.— Berlepsch, .lourn. fiir Orn., 1884, 300 (Bucara- 

 manga, Colombia; crit.); 1889, 302 (Sarayacu, Yurimaguas, etc., e. Peru). — 

 Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1888, 31, part (David and 

 Paraiso Station, Panama; Colombia; Amazon Valley; Bi-azil*^). — Saivadori 

 and Festa, Boll. Mus. Zool., etc., Torino, xv, no. 362, 1899, 8 (Balzar, w. 

 Ecuador; crit.).— Allen, Bull. Am. Mus. N. H., xiii, 1900, 148 (Bonda, Santa 

 Marta, Colombia). — Berlepsch and Hartert, NoA-it. Zool., ix, 1902, 42 

 (Nericagua, Altagracia, Maipures, and Suapure, Venezuela). 



T[yrannulus] elatus IL'i.RTLAUB, Syst. Verz., 1844, 35 (Brazil). — Cabanis and 

 Heine, Mus. liein., ii, 1859, 58 (Brazil). 



[Tyramiulus] elatus Sclater and Salvin, Nom. Av. Neotr., 1873, 48, part. — 

 Sharpe, Hand-list, iii, 1901, 120, part. 



Pipra elata Spix, Av. Bras., ii, 1825, 7, pi. 8a, fig. 2. 



Ellania] elata Gray, Gen. Birds, iii, 1849, App. p. 306. 



[Elainia] elata Gray, Hand-list, i, 1869, 356, no. 5408. 



Tyranniscus elatus Salvin, Proc. Zool. Soc. Lond., 1867, 147 (David, Panama). 



Tyrannulus elata Hartert, Novit. Zool., ix, 1902, 607 (Paml^ilar and San Javier, 

 n. w. Ecuador). 



Tyrannulus regvloides Ridgway, Proc. U. S. Nat. Mus., x, sig. 33, Aug. 6, 1888, 

 521 (Diamantina, near Santarem, lower Amazon Valley; coll. C. B. Riker; tyi^e 

 now in coll. U. S. Nat. Mus.). — Chapman, Auk, vii, 1890, 270 (Santarem). — 

 Bangs, Auk, xviii, 1901, 362 (Divala, Panama; crit.). 



Tyramiulus reguloides panamensis Thayer and Bangs, Bull. Mus. Comp. Zool., 

 xlvi, Jan., 1906, 218 (Sabana de Panama; coll. E. A. and O. Bangs). 



GenLis IDIOTRICCUS Ridgway. 



Idiotnccus b Ridgway, Proc. Biol. Soc. Wash., xviii, Sept. 2, 1905, 210. (Type, 

 Pogonotriccus zeledoni Ivawrence.) 



Superficially resembling the Tyrannine genus Pogonotriccus Cabanis 

 and Heine, but tarsal envelope pycnaspidean, with scutella on lower 

 portion of both acrotarsium and planta tarsi roughened and subtu- 



o Venezuelan specimens not seen by me. b"I8ios, distinct; TfjiKKoi, a small bird. 



