282 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



{?)Jclcrus rirescens (not of Vigors, 1828) Dubois, Bull. Ac. Roy. Belg., ser. 2, xl, 

 Dec, 1875, 798 (Mexico; coll. Brussels Mus.). 



ICTERUS MELANOCEPHALUS AUDUBONII (Giraud). 

 AUDUBON'S ORIOLE. 



Similar to L m. melanocephalua^ ))ut much larger and with broad white 

 edging-.s to innermost secondaries, the greater wing-coverts also usually 

 broadly edged with white near tips. 



Adult male.— \^^wgi\i (skins), 214.6-233.7 (227.6); wing, 96.3-102.4 

 (100.6); tail, 102.6-106.2(104.6); culmen, from base 25.7-28.2(26.4); 

 depth of bill at base, 10.7-11.4 (10.9); tarsus, 26.9-27.9 (27.2); middle 

 toe, 17.5-19.6 (18.5).^ 



Adult female.— 'LQ\\^i\^ (skins), 203.2-236.2 (221.5); wing, 94-98 

 (96); tail, 99.6-105.9 (102.9); culmen, from base, 21.8-26.4 (24.6); 

 depth of l)ill at base, 9.9-10.9 (10.4), tarsus, 24.9-27.4 (26.9); middle 

 toe, 17.5-19.3 (18. 5). ^ 



Northeastern Mexico, in States of Nuevo Leon (Linares; Rodriguez; 

 Monterey), Tamaulipas (Matamoras; Charco Escondido; Victoria), 

 San Luis Potosi (Hacienda Angostura), and Mexico (Valley of Mexico), 

 and southern Texas (Ringgold Barracks; Rio Grande Cit}-; Hidalgo; 

 Brownsville; Lometa, etc., occasionally to San Antonio). 



IcleTii.". audnhonii Giraud, Sixteen Specie.'^ Texan Birds, 1841, 3 (Texas; type in coll 

 U. S. Nat. Mils.).— B.uiiD, Rep. Pacific R. R. Surv., ix, 1858,542 (Matainoras, 

 Tamaulipas; Ringgold Barracks, Texas); Cat. N. Am. Birds, 1859, no. 409; 

 Rep. U. S. and Mex. Bound. Surv., ii, pt. 2, 1859, 19 (Charco Escondido and 

 Matamoras, Tamauliijas; Ringgold Barracks, Texas). — Sclater, Proc. Zool. 

 Soc.Lond., 1864, 175 (Valley of Mexico); Ibis, 1883, 366 (monogr.).— Cassin, 

 Proc. Ac. Nat. Sci. Phila.,1867, 53 (monogr. ; Tamaulipas and Nuevo Leon, 

 • n. e. Mexico; Texas; "New Mexico"). — Ridgway, Proc. U. S. Nat. Mus., 

 iii, 1880, 183, 23.3. — American Ornithologists' Union, Check List, 1886, no. 

 503. — Attwater, Auk, viii, 1892, 238 (San Antonio, Texas, I\Iar. 27 and Feb. 

 13).— Jouv, Proc. U. S. Nat. Mus., xvi, 1893,781 (Hacienda Angostura, San 

 Luis Potosi, Dec. 10, 16).— Singley, Rep. Geol. Surv. Tex., 1894, 372 (Rio 

 Grande City; Hidalgo).— Bendire, Life Hist. N. Am. Birds, ii, 1895, 469, 

 pi. 6, figs. 25-27 (eggs).— Nehrling, Our Native Birds, etc., ii, 1896, 267. 

 Icterus audubtmi Sclater, Proc. Zool. Soc. Lond., 1859, 381 (Juquila). — Baird, 

 Brewer, and Ridgway, Hist. N. Am. Birds, ii, 1874, pi. 35, fig. 1. — Sennett, 

 Bull. U. S. Geol. and Geog. Surv. Terr., iv, 1878, 26 (Brownsville and Hidalgo, 

 Texas; habits, song, etc.); v, 1879, 399 (Lometa, Texas; habits; descr. nest 

 and eggs; measurements). — Merrill, Proc. U. S. Nat. Mus., i, 1879, 134 (Fort 

 Brown, Texas; song, etc.). — Ridgway, Nom. N. Am. Birds, 1881, no. 226. 

 [/derit.s] auduboui SchXTF.n and Salvin, Nom. Av. Neotr., 1873, 36. 

 I[cterus] iiudahonii Ridgway, Man. N. Am. Birds, 1887, 374. 

 [7c7cru.s] {melanoa'plmlus var.?) audubonii Coues, Key N. Am. Birds, 1872, 159. 

 Icterus melanocephalus . . . var. auduboni Coues, Check List, 1873, no. 220. 

 Icterus melnnoceplialus, var. auduboni Baird, Brewer, and Ridgway, Hist. N. Am. 



Birds, ii, 1874, 186. 

 Icterus melanocephahis auduboni Coues, Check List, 2d ed., 1882, no. 330. 

 I\^cterus'\ m [elanocephalus] auduboni Covks, Key N. Am. Birds, 2ded., 1884, 410. 



' Five specimens. 



