BIRDS OF NORTH AND MIDDLE AMERICA 363 



Adult female. —Wmg 275-289 (282.3); tail 175-195 (186.9); culmen 

 from cere 22.5-25 (23.8); tarsus 71-79.5 (75.8); middle toe without 

 claw 40-44 (41.7 mm.).^^ 



Range. — Breeds in the lowlands and foothills of northern and north- 

 western Mexico from Sonora (San Javier, Saric, Magdalena, Chino- 

 bampo, Guirocoba), Sinaloa (Mazatlan) south to Tepic, east through 

 San Luis Potasi and Nuevo Le6n to northern Tamaulipas (Hidalgo) ; 

 north to Brownsville, Tex., southern New Mexico (Fort Bayard) and 

 to southern Arizona (Tucson, Rillito Creek, Camp Lowell, Patagonia, 

 Chiricahua, Pima County). 



Winters from northern Mexico (Sonora, Nuevo Leon, and northern 

 Tamaulipas) south to Guerrero (Acapulco), Colima, and Oaxaca 

 (Tehuantepec) . 



Accidental in Illinois (Fox Prairie, Richland County). 



Type locality. — San Javier, Sonora, Mexico. 



Asturina cinerea (not of Vieilot, 1816) Cassin, Proc. Acad. Nat. Sci. Philadelphia, 

 1855, 283, footnote (Nuevo Le6n). 



Asturina niiida Cassin, in Baird, Rep. Pacific R. R. Surv., ix, 1858, 35 (Nuevo 

 Le6n). — Baird, Cat. North Amer. Birds, 1859, No. 33; Rep. United States 

 and Mexican Bound. Surv., ii, pt. 2, 1859, 4 (Nuevo Le6n); in Cooper, Orn. 

 California, Land Birds, 1870, 486. — Salle and Parzudaki, Cat. Oiseaux 

 Mexique, 1862, 1 (Mexico), 



Astur nitidus Gray, Hand-list, i, 1869, 30, No. 281, part (New Mexico). 



Buteo nitida Ridgway, Ann. Lye, Nat. Hist. New York, x, 1874, 381 (Illinois; 

 summer) . 



Asturina plagiaia Sclater and Salvin, Proc. Zool. Soc. London, 1869, 130, part 

 (monogr); Exotic Orn., 1869, 179, pi. 90, part; Nom. Av. Neotr., 1873, 487, 

 part, — Cooper, Orn. California, Land Birds, 1870, 487, in text (Arizona). — 

 Ridgway, Amer. Nat., vi, 1872, 430, in text (Fox Prairie, Richland County, 

 111. (1 specimen seen Aug. 19, 1871); vii, 1873, 201, in text (Fox Prairie); 

 Proc. Boston Soc. Nat. Hist., xvi, 1874, 26 (lower Wabash Valley), 327 

 (Richland County, 111.); Man. North Amer. Birds, 1887, 240, part. — Coues, 

 Key North Amer. Birds, 1872, 218; Check List North Amer. Birds, 1873, No, 

 358, part. — Lawrence, Mem. Boston Soc. Nat. Hist., ii, 1874, 298 (Mazat- 

 Idn, Sinaloa; habits; descr. nest), — Sharps, Cat, Birds Brit. Mus., i, 1874, 

 204, part (Arizona and Illinois); Hand-list, i, 1899, 247, part. — Nelson, 

 Bull, Essex Inst., ix, 1877, 50, in text (s, Illinois: Fox Prairie). — Gurnet, 

 List Diurn. Birds Prey, 1884, 74, part; Cat. Birds Prey, 1894, 25, part. — 

 American Ornithologists' Union, Check-list, 1886 and ed, 2, 1895, 

 No. 346, 134, part; ed. 3, 1910, 160, part.— Scott, Auk, iii, 1886, 423 (near 

 Tucson, Ariz., common). — Bendire, Life Hist. North Amer. Birds, i, 1892, 

 251, pi. 7, fig. 7. — Beristain and Laurencio. Mem., Rev. Soc. Cient. 

 "Antonio Alzate," vii, 1894, 225 (Mexico). — Fisher, Hawks and Owls of 

 United States, 1893, 85. — Salvin and Godman, Biol. Centr.-Amer., Aves, 

 iii, 1900, 74, part (localities in states of Nuevo Le6n and Sinaloa, Mexico), — 

 Bailetj Handb. Birds Western United States, 1902, 161 (western United 

 States; descr.; distr.); Birds New Mexico, 1928, 175 (genl,; New Mexico). — 



8* Eleven specimens from Arizona, Sinaloa, and Nuevo Le6n. 



