212 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



lesser and middle wing-coverts, rump, upper tail-coverts, lower abdo- 

 men, and anal region glossy blue-black, the first, also the upper por- 

 tion of the rump, tinged with violet; wings (except smaller coverts), 

 tail, and under tail-coverts glossy greenish black; bill, legs, and feet 

 black; length (skins), 165.1-185.4 (172. Y); wing, 93.2-98.3 (95); tail, 

 69.6-74.9 (71.9); culmen, from base, 17.3-18.5 (17.8); depth of bill at 

 base, 9.7-9.9 (9.7); tarsus, 21.3-22.1 (21.6); middle toe, 19.3.^ 



Admit female. — Pileum dark grayish brown; rest of upper parts 

 lighter grayish brown, palest (dark smoke gray or brownish mouse 

 gray) on rump, the scapulars and interscapulars with rather distinct 

 dusky mesial streaks; wings and tail dusky with grayish brown edg- 

 ings; under parts light grayish brown (hair brown) medially, darker 

 hair brown laterally, the chin and upper throat verj' pale hair brown 

 or pale buffy grayish; bill, legs, and feet black; length (skin), 150.9; 

 wing, 87.1; tail, 64.5; culmen, from base, 16.5; depth of bill at base, 

 8.9; tarsus, 19.1; middle toe, 17.3.' 



Northern coast district of South America, in Guiana and Venezuela; 

 Trinidad; Tobago; Grenadines (Curriacoa), Lesser Antilles; Vieque 

 (near St. Thomas), Greater Antilles (introduced?). 



Moloihrus atroniiens Oaeanis, in Schomburgk's Reis. Brit. Guiana, iii, 1848, 682 

 (British Guiana) . — Finsch, Proc. Zool. Soc. Lond., 1870, 576 (Trinidad).— 

 Pblzeln, Orn. Bras., 1871, 200.— (?) Berlepsoh, Journ. fiir Orn., 1873, 249 

 (Prov. Santa Catarina, s. Brazil). — Sclatee, Ibis, 1884, 6 (monogr.); Cat. 

 Birds Brit. Mus., xi, 1886, 337, excl. syn. part (Venezuela; Trinidad; Dem- 

 erara, British Guiana; Oyapoc, Cayenne; Mexiana I., lower Amazon).— 

 Stone, Auk, viii, 1891, 346 (monogr. ) .—Coky, Auk, x, 1893, 220 (Tobago). 



Moloihrus atro-nitens Chapman, Bull. Am. Mus. N. H., vi, 1894, 36 (Trinidad). 



M[olothrus] atronitens Caeanis, Mus. Hein., i, 1851, 193 (Cayenne?). 



IMoloihrus'] atronitens Sclatek and Salvin, Nom. Av. Neotr., 1873, 37. 



Mlolothrii.s'] bonariensis (not Tanagra bonariensis Gmelin) Cabanis, Mus. Hein., 

 i, 1851, 193, part (Venezuela). 



(?) Molothrus bonariensis Coey, Revised List Birds W. I., 1886, 35 (St. Thomas; 

 introduced ?); Cat. W. I. Birds, 1892, 124 (Vieque; introduced?), 



Molothrus sericeus (not Icterus sericeus Lichtenstein) Sclatee, Cat. Am. Birds, 

 1862, 135, part (Trinidad).— (?) Newton, Ibis, 1860, 308, in text (Vieque, 

 West Indies). 



Lampropsar guianensis (not of Cabanis) Cassin, Proc. Ac. Nat. Sci. Phila., 1866,22. 



(?) Molothrus discolor (not Passerina discolor Vieillot) Cassin, Proc. Ac. Nat. 

 Sci. Phila., 1866, 20, part (Trinidad). 



Genus QUISCALUS Vieillot. 



QttiscaZMs Vieillot, Analyse, 1816, 36. (Type, Q. versicolor Vieillot, = OacM/o 



quiscula Linnaeus.) 

 Quiscala Lichtenstein, Verz. Doubl., 1823, 18. 

 (ScopWdurus SwAiNsoN, Philos. Mag., new ser., i, 1827, 437 (substitute for Qaiscalus 



Vieillot). 

 Scaphura (emendation) Gloqee, Hand-u. Hilfsb., 1842, 261 { = Qu,iscalus). 



1 Three specimens. ^ q^^ specimen. 



