212 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



lesser and middle wiug-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 gloss}' greenish ])lack; bill, legs, and feet 

 black; length (skins), 165.1-185.4 (172.7); wing, 93.2-98.3 (95); tail, 

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

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



Adidt female. — Pileum dark grajash brown; rest of upper parts 

 lighter grayish brown, palest (dark smoke gray or })rownish mouse 

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

 dusky mesial streaks; wings and tail duskj^ wdth grajdsh brown edg- 

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

 hair brown laterally, the chin and upper throat ver}' pale hair brown 

 or pale bufl'y grayish; liill, 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; Viecpie 

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



Moloihrus utronUens Cabanis, in Schomburgk's Reis. Brit, (iuiana, iii, 1848, 682 

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

 Pelzeln, Orn. Bras., 1871, 200.— (?) Berlepsch, Journ. fiir Orn., 187;^, 249 

 (Prov. Santa Catarina, s. Brazil). — Sclater, 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.).— Cory, Auk, x, 1893, 220 (Tobago). 



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



Mlololhrus'} rt/roHi'tens Cabanis, Mus. Hein., i, 1851, 193 (Cayenne?). 



[Molothrus'] atronitens SchATER and Salvin, Nom. Av. Neotr., 1873, 37. 



Mlolofhriis} boiiarlmsix (not Tatiagra bonariensis Gmelin) Cabanis, Mus. Hein., 

 i, 1851, 193, part (Venezuela). 



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

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



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

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

 West Indies). 



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



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

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



Genus QUISCALUS Vieillot. 



(Juisralus YiEii^hoT, Analyse, 1816, 36. (Type, Q. versicolor \ieil\oi, = (jr(irHl(t 



quiscula Linneeus.) 

 Quisccda Lichtenstein, Verz. Doubl., 1823, 18. 

 Scapkidurus^w \issoy, Philos. Mag., new ser., i, 1827, 437 (substitute for Quisculus 



Vieillot). 

 Scaphura (emendation) Gloger, Hand-u. Hilfsb., 1842, 261 { — Qaisc(d,us). 



* Three specimens. " One specimen. 



