BIRDS OF NORTH AND MIDDLE AMERICA. 



239 



Adult «;f//t^ --Length (skins), 393.7-457.2 (422.4); wing, 184.2-198.9 

 (189.2); tail, 195.6-235 (217.2); culmen, from base, 39.6-48 (44.7); 

 depth of bill at base, 14.2-15.7 (14.7); tarsus, 47-52.8 (51.3); middle 

 toe, 33. 5-38. J (35.8).^ 



Adult female.— \jQ\\g\ki (skins), 284.5-355.6 (322.6); wing, 142.2-158.5 

 (150.1); tail, 129-165.1 (147.8); culmen, from base, 33.8-39.4 (37.1); 

 depth of bill at base, 11.7-14 (12.7); tarsus, 38.4-44.5 (41.1); middle 

 toe, 25.7-30.7 (29). » 



Southern Texas, and southward through eastern and southern Mexico 

 (including Yucatan and island of Cozumel) and Central America to 

 northern Colombia (Turbo); westward in southern Mexico to edge of 

 the plateau in States of Michoacan (Patzcuaro), Jalisco (Etzatlan, 

 June), and Guadalajara. 



(juiscnlus major Vieillot, Nouv. Diet. d'Hist. Nat., xxviii, 1819, 487, part 

 (Mexico). 



Quiscalus major (not of Vieillot) Bon.vparte, Proe. Zool. Soc. Lond., 1837, 110 

 (Mexico).— McCall, Proc. Ac. Nat. Sci. Phila., 1851, 218 (Rio Grande, 

 Texas). — Moore, Proc. Zool. Soc. Lond., 1859, 58 (Omoa, Honduras). — Sal- 

 viN, Ibis, 1866, 194 (Half Moon Cay, British Honduras). 



Quiscalus macrourus Swainson, Anim. in Menag., 1838, 299 (Real del Monte, 

 Hidalgo, Mexico) .—Baird, in Stansbury's Rep.. Gt. Salt Lake, 1852, 331 

 (Texas); Rep. Pacific R. R. Surv., ix, 1858, 554; ed. 1860 (Birds N. Am.), 

 atlas, pi. 58.— Cassin, Proc. Ac. Nat. Sci. Phila., 1860, 138 (Turbo and Carta- 

 gena, Colombia); 1866, 410 (monogr. ). — Lawrence, Ann Lye. N. Y., viii, 

 1865, 180 (Greytown, Nicaragua); ix, 1868, 104 (Costa Rica").— Frantzius, 

 Journ. fiir Orn., 1869, 303 (Costa Rica). — Sumichrast, Mem. Best. Soc. N. H., 

 i, 1869, 553 (hot, temperate, and alpine regions, Vera Cruz). — Coues, Check 

 List, 1873, no. 223. — Baird, Brewer, and Ridgway, Hist. N. Am. Birds, ii, 

 1874, pi. 36, figs. 1, 2.— Ridgway, Proc. U. S. Nat. Mus., viii, 1885, 570 

 (Cozumel I., Yucatan).— Ferrari-Perez, Proc. U. S. Nat. Mus., ix, 1886, 152 

 (Izucar de Matamoras, Puebla, Dec; Plan del Rio, Vera Cruz). — American 



' Seventeen specimens. 



There seems to be little variation in size with latitude, though Nicaraguan speci- 

 mens are the largest and Yucatan examples the smallest in the series examined. 

 Average measurements are as follows: 



Locality. 



Middle 

 toe. 



MALES. 



Eight adult males from Texas 



Seven adult males from Yucatan 



Two adult males from Nicaragua 



One adult male from northern Colombia (Turbo) . 



FEMALES. 



Eight adult females from Texas 



Six adult females from Yucatan 



Three adult females from Nicaragua 



One adult female from northern Colombia (Turbo) 



34.8 

 36.6 

 36.6 

 36.1 



27.7 

 29.7 

 30.2 

 29.5 



