276 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



(73.2); tail, 63.5-73.7 (66.5); exposed culmen, 15.2-17.3 (15.7); depth 

 of bill at base, 6.6-7.6 (7.4); tarsus, 20.6-23.1 (21.6); middle toe, 

 13.2-15.5 (14.6).^ 



Eastern United States and whole of Mexico; breeding from the Gulf 

 coast (northern Florida to southern Texas) north to Connecticut, south- 

 ern New York, southern Ontario (Hamilton, London, Dunnville), 

 southern Michigan (south of 43°), southern Wisconsin, centra^. Minne- 

 sota, and southern North Dakota, but occurring irregularly or casu- 

 ally as far north as southern New Brunswick, Maine (Androscoggin, 

 Knox, and Washington counties), and Vermont (Middlebury); west to 

 across the Great Plains; south in winter over whole of Mexico and 

 Central America to northern Colombia (Cartagena, Rio Atrato); Cuba. 

 (Southern limit of breeding range unknown, but probably extending 

 over part of Mexico, possibly to Guatemala.)^ 



[Oriolus] spurius Linnaeus, Syst. Nat., ed. 12, i, 1766, 162 (based on Icterus minor 

 Catesby, Carolina, i, 49; Icterus minor spurius Brisson) . — Gmelin, Syst. Nat., 

 i, pt. i, 1788, 389.— Latham, Index Orn., i, 1790, 180. " 

 Icterus spurius Temminck, Cat. Syst., 1807, 47.— Bonapaktb, Journ. Ac. Nat. Sci. 

 Phila., iii, 1823, 363; Ann. Lye. N. Y., ii, 1828, 51; Geog. and Comp. List, 

 1838, 29.— NuTTALL, Man. Orn. U. S. and Can., i, 1832, 165.— Audubon, 

 Orn. Biog., i, 1831, 221, pi. 42; v. 1839, 485; Synopsis, 1839, 144; Birds Am., 

 oct. ed., iv, 1842, 46, pi. 219.— Gikaud, Birds Long I., 1844, 144.— Baird, 

 Rep. Pacific R. R. Surv., ix, 1858, 547; Rep. U. S. and Mex. Bound. Surv., 

 ii, pt. 2, 1859, 19 (w. Texas); Cat. N. Am. Birds, 1859, no. 414.— Sclater, 

 Proc. Zool. Soc. Lond., 1856, 301 (Cordova, Vera Cruz); 1859, 365 (Jalapa, 

 Vera Cruz), 380 (Oaxaca, Mar.); Cat. Am. Birds, 1862, 130 (Pennsylvania); 

 Ibis, 1883, 357 (monogr.); Oat. Birds Brit. Mus., xi, 1886, 366 (Jalapa, Vera 



' Nine specimens. 



Dividing the collection of breeding birds, or those obtained during the months of 

 April to first half of August, inclusive, into five series, representing, respectively, the 

 Atlantic coast States, southern Florida, the Mississippi Valley, southern Texas, and 

 various parts of Mexico, their average measurements are foimd to be aa follows: 



'' Among Mexican specimens in the collection of the Biological Survey are one from 

 Lagos, Jalisco, taken in June, one from Santa Efigenia, Oaxaca, taken in July, and one 

 from Oatemaco, Vera Cruz, taken in May. 



