512 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



cc. Above lirownish gray (nearly smoke gray); wing-bands broader, dull white; 

 abdomen white or yellowish white. (Western Ecuador and northwestern 



p^.j-u.) Myiochanes punensis (extralimital) « 



bb. Under parts not extensively, if at all, whitish or i)al<' yellowish, but mostly 

 "•ray or olive, the center of abdomen only whitish, or whole abdomen yellow. 

 c. Under parts, including throat, slate-grayish, the abdomen and chin sometimes 

 whitish: pileum dark slaty or blackish. 

 (/. Smaller (wing 73-76.5). (Southern Brazil ; Paraguay.) 



Myiochanes cinereus (extralimital)^ 

 dd. Uarger (wing 82.5-99). 

 e. Slate-gray beneath, paler, l)ut not whitish or pale yellowish, on lower 

 abdomen; upper parts deep slate color. ((\)l()m])ia to Peru, northern 



Bolivia, and British Guiana.) Myiochanes ardosiacus (extralimital) c 



ee. Olivaceous slate-gray beneath, the lower abdomen dull yellowish white or 

 pale dull yellowish; upper parts (jlivaceous-slate. (Costa Rica and 

 northern Panama.) Myiochanes lugubris (p. 516) 



"Contopus punensis Lawrence, Ann. Lye. Nat. Hist. N. Y.. ix, 1869, 237. (Puna 

 I., near Guayaquil, w. Ecuador; coll. LT. S. Nat. Mus.; ^ young); Baird, Brewer, 

 and Ridgway, Hist. N. Am. Birds, ii, 1874, 352, footnote; (?) Taczanowski, Proc. 

 Zool. Soc. Lond., 1877, 744 (Lechugal, n. w. Peru; crit.); Orn. du Perou, ii, 1884, 

 319; Berlepsch and Taczanowski, Pro(;. Zool. Soc. Lond., 1883, 558 (Guayaquil); 

 1885, 122 (w. Ecuador). — Confopus brachytarsus (not 'Empidonax bradiytarsns Sclaterj 

 Sclater, Cat. Birds Brit. Mus., xiv, 1888, 240, part (in synonymy). — Blaricus punensis 

 Oberholser, Auk, xvi, Oct. ,1899, 336. 



'> Platyrhynchus cinereus Sjiix, Av. Bras., ii, 1825, 11, pi. 13, fig. 2 (Amazon River, 

 coll. Munich Mus.). — M[yiarchus] cinereus Cabanis, in Wiegmann's Archiv. fiir Naturg., 

 1847, i, 248. — [Tyrannula] cinerea Bonaparte, Consp. Av., i, 1850, 190. — C[o7itopus] 

 cinereus Cabanis, Journ. fiir Orn., i, 1855, 479. — M[yiochanes] cinereus Cabanis and 

 Heine, Mus. Hein., ii, 1859, 71. — Myiochanes cinereus Sclater, Cat. Am. Birds, 1862, 

 232; Cat. Birds Brit. Mus., xiv, 1888, 245. — Blacicus cinereus Oberholser, Auk, xvi, 

 Oct., 1899, 337. — Tyrannula curtipes Swainson, Orn. Drawings, pt. v, 1836?, pi. 54 

 (Brazil). — Contopus pileatus Ridgway, Proc. U. S. Nat. Mus., viii, Apr. 20, 1885, 21 

 (locality unknown; coll. Am. Mus. N. H.). — Blacicus pileatus Oberholser, Auk, 

 xvi, Oct., 1899, 337; Ihering, Rev. Mus. Paul.,vi, 1904, 326 (Paraguay).— [J5Zoc(chs] 

 pileatus Sharpe, Hand-list, iii, 1901, 143. 



cTyrannula ardosiaca Lafresnaye, Rev. Zool., vii. Mar., 1844, 80 (Colombia; coll. 

 I>afresnaye; type now in coll. Bost. Soc. X. IL). — M[yiobius] ardosiacus Gray, Gen. 

 Birds, i, 1846, 249. — Sayornis ardosiaca Sclater, Proc. Zool. Soc, Lond., 1855, 149 

 (Bogota.) — C[o7itopus] ardesiaais Cabanis, Journ. fiir Orn., 1855, 479. — Contopus arde- 

 siacus Sclater, Proc. Zool. Soc. Lond., 1859, 44, 144 (Pallatanga, Ecuador); Cat. Birds 

 Brit. Mus., xiv, 1888, 237; Salvin and Godman, Biol. Centr.-Amer., Aves, ii, 1889, 83 

 (excf. ref. Sayornis ardosiacus Cassin!). — M[yiochanes] ardesiacus Cabanis and Heine, 

 Mus. Hein., ii, 1859, 71, footnote. — Myiochanes ardisiacus Sclater, Cat. Am. Birds, 

 1862, 2Z2.—[Pyrocephalus] ardesiacus Gray, Hand-list, i, 1869, 362, no. 5516.— ifomo- 

 pus ardosiacus Oberholser, Auk, xvi, Oct., 1899, 332. 



This species, which is the South American representative of M. lugubris, was included 

 in the Biologia Centrali- Americana (Aves, ii. p. 83) through erroneous identification of 

 specimens obtained on the Rio Truando, northern Colombia (not in Panama, how- 

 ever) by Wood. The specimen on which Cassin's "Sayornis ardosiacus" (Proc. Ac. 

 Nat. Sci. Phila., 1860, 144) is based, and which is in the collection of the U. S. National 

 Museum, does not, however, represent this species, but is Sayornis cineracca 

 (Lafresnaye;! 



