BIKDS OF NOETH AKD MIDDLE AMEBICA, 281 



Adult female. — Similar to adult male, but smaller and slightly duller 

 in color, the back, etc., inclining more decidedly to olive-green; length 

 (skins), 198. 1-21 J:. (204); wing, 89. 4-95. 8 (91.9); tail, 88.9-99.1 (92.2); 

 culmen, from base, 22.4-23.6 (23.1); depth of bill at base, 10.2-10.4 

 (10.4); tarsus, 25.4-26.9 (26.2); middle toe, 17.5-18 (17.8).^ 



fimnature {second year f). — Similar to adult female, but still more 

 decidedly olive-green above; wings and tail dusky brownish gray, the 

 former with pale olive-gra3dsh, the latter with yellowish olive-green 

 edgings; yellow of under parts shaded laterall}^ with olive-greenish. 



Young. — No black on head, neck, or chest, the color being j^ellow- 

 ish olive-green above, pale lemon yellow beneath; otherwise as in the 

 inunature stage described above. 



Southern portion of the Mexican plateau, in States of San Luis 

 Potosi (Valles; Toncanhuitz), Vera Cruz (Jalapa; Mirador; Orizaba; 

 Jico; Papantla), Puebla (Metlaltoyuca), Oaxaca (Pluma; Mount Zem- 

 poaltepec), Chiapas (Guichicovi), Mexico (Valley of Mexico), and 

 Jalisco (San Sebastian). 



Ps\^arocolius} melcmocephalus Wagler, Isis, 1829, 756 (Mexico). 

 . Icterus melanocephalus'H.AUN, in Kuster's Vog. aus Asien, Lief vi, 2, pi. 3. — Cassin, 

 Proc. Ac. Nat. Sci. Phila., 1848, 90 (Jalapa, Vera Cruz); 1867, 53 (monogr.; 

 Jalapa, Mirador, and Orizaba, V-eraCruz); Illustr. Birds Cal., Tex., etc., 

 1854, pi. 21 (not description, which = I.m. audubonii). — Sclater, Proc. 

 Zool. Soc. Lond., 1856, 301 (Mexico); 1858, 97, part (tierra caliente. Vera 

 Cruz; crit.); 1859, 365 (Jalapa); Cat. Am. Birds, 1862, 1.32 (s. Mexico); 

 Ibis, 1883, 365 (monogr.); Cat. Birds Brit. Mus., xi, 1886, 375, part.— Baird, 

 Rep. Pacific R. R. Surv., ix, 1858, 543; Cat. N. Am. Birds, 1859, no. 410.— 

 SuMiCHRAST, Mem. Bost. Soc. N. H., i, 1869, 553 (temperate region, Vera 

 Cruz). — Baird, Brewer, and Ridgway, Hist. N. Am. Birds, ii, 1874, 186. — 

 Lawrence, Bull. U. S. Nat. Mus., no. 4, 1876, 23 (Guichicovi, Chiapas, 

 Sept.).— RiDG WAY, Proc. U. S. Nat. Mus., iii, 1880, 236.— Salvin and God- 

 man, Biol. Centr.-Am., Aves, i, 1887, 468, part.— Chapman, Bull. Am. Mus. 

 N. H., X, 1898, 30 (Jalapa; song).— Lantz, Trans. Ivans. Ac. Sci. for 1896-97 

 (1899), 222 (S. Tomas, Guatemala). 



\_Icterus] melanocephalus Sclater and Salvin, Nom. Av. Neotr., 1873, 36. 



Ilcterusl melanocephalus Cabanis, Mus. Hein., i, 1851, 185 (Jalapa). — Ridgway, 

 Man. N. Am. Birds, 1887, 374. 



[Xanthornus'] melanocephalus Bonaparte, Consp. Av., i, 1850, 434, part. 



[Icterus melanocej)halus'] var. melanocephalus Baird, Brewer, and Ridgway, Hist. 

 N. Am. Birds, ii, 1874, 182. 



[Icterus melanocephalus'] b. Subsp. typica Sclater, Cat. Birds Brit. Mus., xi, 1886, 

 375, in list of specimens (Jalapa and Orizaba, Vera Cruz; Oaxaca). 



Icterus graduacaucla'LESsoN, Rev. Zool., 1839, 105 (Mexico). 



Ilcterusl graduacauda Gray, Gen. Birds, ii, 1844, 343. 



(?) Icterus audubonii (not of Giraud) Sclater, Cat. Am. Birds, 1862, 132 (Jalapa 

 and Orizaba, Vera Cruz). 



Icterus audubonii Sumichrast, Mem. Bost. Soc. N. H., i, 1869, 553 (temperate 

 region, Vera Cruz). — x\merican Ornithologlsts' Union, Check List, 2d ed., 

 1895, no. 503, part (Oaxaca). 



Icterus auduboni Ferrari-Perez, Proc. U. S. Nat. Mus., ix, 1886, 1.50 (Jalapa, 

 Aug., Sept.). 



^ Three specimens. 



