394 BtTLLETIir 50, XTNITED STATES NATIONAL MTTSETJM. 



ee. Posterior half of head and entire neck slate-color; remiges slate-black 

 blackish slate, broadly edged with slate-gray, not contrasting strong: 

 with color of wing-coverts. 

 /. Larger (wing averaging 128.1, tail 117.9, exposed culmen 32.6); whi 

 capistrum larger. (Eastern Brazil, south of Amazon River.) 



Monasa morphoeus (extralimital) 



ff. Smaller (wing averaging 126.5, tail 112.7, exposed culmen 30.5); whi 



capistrum more restricted. (Eastern Ecuador, eastern Peru, ar 



Bolivia) Monasa peruana (extralimital) 



cc. Only the forehead and lores white or rusty (the chin and malar apex black 

 d. Wing-coverts slate-gray, concolor with lower back and rump; under win: 

 coverts slate-gray, 

 e. Chest slate-gray, like breast, abdomen, etc. (Central Colombia.) 



Monasa sclateri (extralimital) 

 ee. Chest black, like head and neck, abruptly contrasted with slate-gray i 



breast, etc. (Eastern Panama) Monasa simiUs (p. 399 



dd. Wing-coverts pale gray, decidedly to much paler than color of lower bac 



and rump, at least toward humeral edge of wing; under wing-cover 



very pale gray to grayish white. 



e. Lower back and rump slate-gray; wing-coverts and under parts of bod 



lighter slate-gray, the former still paler toward humeral edge of win| 



(Southeastern Panama) .'.Monasa minor (p. 398 



ee. Lower back and rump light slate-gray (dark gull gray), the under parts ( 



body slightly paler (light neutral gray or deep gull gray); larger winj 



coverts light neutral gray or deep gull gray fading into pale or palli 



neutral gray on anterior lesser coverts. (Rio Truando, northwester 



Colombia) Monasa pallescens (p.397 



"■ Bucco morphoeus Hahn and Kiister, Vog. aus Asien, lief, xiv, 1822, p. 1, p 

 2. — Monasa morphoeus Cassin, Proc. Ac. Nat. Sci. Phila., 1860, 135. — Monasa mo 

 phssvts Sclater, Cat. Am. Birds, 1862, 274 (Brazil). — M[onasta\ morphea Cabanis an 

 Heine, Mus. Hein., iv, heft 1, 1863, 127 (Brazil). — Monacha morpheus Sclater, Moi 

 Jacam. and Puff-Birds, 1882, 151, pi. 50; Cat. Birds Brit. Mus., xix, 1891, 204.- 

 Monasa personata Vieillot, Gal. Ois., 1820-25, 23, pi. 36 (Brazil; "I'He de ] 

 Trinity.") — B[ucco] leucops Lichtenstein, Verz. Doubl., 1823, 8 (Brazil). — Lyporm 

 leucopsWsigler, Syst. Av., 1827, Ljrpomix, sp. 3. — C[apito] leucops Maximilian, Beitr 

 iv, 1832, 368. — Tlamatia] leucops Swainson, Birds Brazil, 1834, pi. 12. — M[onai 

 leucops Gray, Gen. Birds, i, Dec. 1846, 74. — Monasa leucops Burmeister, Syst. Uel 

 Th. Bras., ii, 1856, 293; Pelzeln, Orn. Bras., 1868, 22.— Bucco alUfrons Spix, A^ 

 Bras., i, 1824, 53, pi. 41, fig. 1 (Prov. Piauhy, Brazil). 



6 Monasa peruana Sclater, Proc. Zool. Soc. Lond., 1855, 194 (Chamicuros, e. Pen 

 coll. P. L. Sclater; ex Bonaparte and Verreaux, manuscript). — Monasa mxyrphoa 

 peruana Hellmayr, Novit. Zool., xiv, 1907, 84 (TeM, Brazil; ciit.). ~-M[onasta] pen 

 ana Cabanis and Heine, Mus. Hein., iv, heft 1, 1863, 128.— Monacha peruana Sclatei 

 Mon. Jacam. and Puff-Birds, 1882, 153, pi. 51; Cat. Birds Brit. Mus., xix, 1891, 2C 

 (Ega, Pebas, and Chamicuros, e. Peru; Sarayacu, e. Ecuador). 



c Monasa pallescens (not of Cassin) Wyatt, Ibis, 1871, 130, 374 (Paturia, Magdalei 

 Valley, Colombia); Sclater and Sal vin, Proc. Zool. Soc. Lond. ,1879, 536 (Remedies an 

 Nichi, Antioquia, Colombia); Berlepsch, Journ. fur Orn., 1884, 318 (Bucaramangi 

 Colombia); Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1896, 521, part.— 3f( 

 rmcM pallescens Sclater, Mon. Jacam. and Puff-Birds, 1882, 157, pi. 53; Cat. Birds Bri 

 Mus., xix, 1891, 206 (Medellin and Remedies, Antioquia; Magdalena Valley ;Bogot4).- 

 Monasa sclateri Ridgway, Proc. Biol. Soc. Wash., xxv, May 4, 1912, 89 (Bogotd, C( 

 lombia; coll. U. S. Nat. Mus.). 



