282 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



{f.) Icterus virescens (not of Vigors, 1828) Dubois, Bull. Ac. Roy. Belg., ser. 2, xl, 

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



ICTERUS MELANOCEPHALUS AUDUBONII (Giraud). 

 AUDUBOirS ORIOLE. 



Similar to I. m. vielanocephaVus, but much larger and with broad white 

 edgings to innermost secondaries, the greater wing-coverts also usually 

 broadly edged with white near tips. 



AdMlt male.— Length (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.— Length (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 bill 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 City; Hidalgo; 

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



Icterus auduhonii Giraud, Sixteen Species Texan Birds, 1841, 3 (Texas; type in coll 

 U. S. Nat. Mus. ).— Baird, Rep. Pacific R. R. Surv., ix, 1858, 542 (Matamoras, 

 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, Tamaulipas; 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., 

 ili, 1880, 183, 233.— American Ornithologists' Union, Check List, 1886, no. 

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

 13).— JouY, 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 auduboni Sclater, Proc. Zool. Soc. Lond., 1859, 381 (Juquila).— Baied, 

 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. 

 {^Icterus'] auduboni Sclater and Salvin, Nom. Av. Neotr., 1873, 36. 

 I[cterus'\ audubonii Ridgway, Man. N. Am. Birds, 1887, 374. 

 [Icterus] {melanocephalus var.?) audubomi CouES, Key N. Am. Birds, 1872, 159. 

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

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



Birds, ii, 1874, 186. 

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

 I[cterus] m [elanocephalus] auduboni CouBS, Key N. Am. Birds, 2ded., 1884, 410. 



' Five specimens. 



