228 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



2, 1859, 4 (Fort Davis, w. Texas) ; Cat. North Amer. Birds, 1859, No. 32.— 

 Heermann, Journ. Acad. Nat. Sci. Philadelphia, ii, 1853, 259; Rep. Pacific 

 R. R. Surv., X, pt. 4, 1859, 32 (Sacramento Valley and mountains near San 

 Diego, Calif.; habits). — Cassin, Illustr. Birds California, Texas, etc., 1854, 

 54, pi. 21; in Baird, Rep. Pacific R. R. Surv., ix, 1858, 34; Proc. Acad. Nat. 

 Sci. Philadelphia, vi, 1853, 452 (California); vii, 1855, 283; ix, 1857, 212.— 

 Brewer, North Amer. Ool., i, 1857, 37, pi. 3, fig. 26 (egg).— Henrt, Proc. 

 Acad. Nat. Sci. Philadelphia, xi, 1859, 105 (New Mexico). — Xantus, Proc. 

 Acad. Nat. Sci. Philadelphia, xi, 1859, 190 (Fort Tejon, Calif.). — Cooper and 

 SucKLET, Rep. Pacific R. R. Surv., xii, pt. 2, 1860, 149 (The Dalles, Oreg.).— 

 Blakiston, Ibis, 1861, 318 (between n. and s. branches of Saskatchewan 

 River, breeding; descr. nest and eggs); 1863, 46 (Saskatchewan Prairie, 

 breeding, descr. eggs). — Coues, Ibis, 1865, 537 (Arizona); 1866, 267 (s. 

 California); Proc. Acad. Nat. Sci. Philadelphia, 1866, 46 (Fort Whipple, 

 Ariz.; descr.; anatomy, habits, etc.); Key North Amer. Birds, 1872, 218; 

 Check List North Amer. Birds, 1873, No. 357; Birds Northwest, 1874, 363; 

 Amer. Nat., viii, 1874, 597; Bull. Nuttall Orn. Club, ii, 1877, 26 (Illinois, 

 near Mississippi River); U. S. Geol. and Geogr. Surv. Terr., Bull. 4, 1878, 626 

 (Pembina Mountains, N. Dak., breeding; Twin Forks of Milk River, Mont., 

 breeding) ; Check List North Amer. Birds, ed. 2, 1882, No. 526; Key North 

 Amer. Birds, ed. 2, 1884, 551.— Dresser, Ibis, 1865, 325 (Fort Stockton, 

 Tex.).— Gray, Hand-list, i, 1869, 10, No. 83.— Cooper, Orn. California, 

 Land Birds, 1870, 482.— Ridgwat, Proc. Acad. Nat. Sci. Philadelphia, 1870, 

 142; Bull. Essex Inst., v, 1873, 186 (Colorado); vii, 1875, 39 (Nevada); in 

 Baird, Brewer, and Ridgway, Hist. North Amer. Birds, iii, 1874, 300; Field 

 and Forest, ii, 1877, 210, 212 (Colorado; first descr. of melanistic phase); 

 Orn. 40th Parallel, 1877, 590 (Carson, Nev.) ; Proc. U. S. Nat. Mus., iii, 

 1880, 194; Nom. North Amer. Birds, 1881, No. 448; Man. North Amer. 

 Birds, 1887, 241; Orn. Illinois, i, 1889, 481.— Allen, Proc. Boston Soc. 

 Nat. Hist., xvii, 1874, 35 (Montana and Dakota; young; common), 65 (North 

 Dakota; descr. nest). — Henshaw, Ann. Lye. Nat. Hist. New York, ser. 4, 

 xi, 1874, 9 (Ogden, Utah) ; Zool. Expl. W. 100th Meridian, 1875, 425 (n. 

 New Mexico and s. Colorado, Nov.); Rep. Orn. Spec. Wheeler's Surv., 1876, 

 264.— Sharpe, Cat. Birds Brit. Mus., i, 1874, 199 (Real del Monte, Hidalgo; 

 California); Hand-list, i, 1899, 262. — Hoffman, Proc. Boston Soc. Nat. 

 Hist., xviii, 1875, 174 (Grand River Agency, Dakota Terr.; Oak Creek). — 

 Nelson, Bull. Essex Inst., viii, 1876, 151 (ne. Illinois; Rock Island). — 

 Bendire, Proc. Boston Soc. Nat. Hist., 1877, 135 (Camp Harney, e. Oregon; 

 near Camp McDermitt, Nev., breeding) ; Life Hist. North Amer. Birds, i, 

 1892, 259, pi. 9, figs. 1, 2, 4.— Allen and Brewster, Bull. Nuttall Orn. 

 Club, viii, 1883, 197 (Colorado Springs, Colo.). — Gurney, List Diurn. 

 Birds Prey, 1884, 61; Cat. Birds Prey, 1894, 24. — American Ornitholo- 

 gists' Union, Check-list, 1886, No. 348; ed. 2, 1895, 135; ed. 3, 1910, p. 161.— 

 Goss, Hist. Birds Kansas, 1891, 271 (Kansas; descr.; habits). — Hatch, 

 Notes Birds Minnesota, 1892, 194, 452 (Minnesota; straggler). — Fisher, 

 North Amer. Fauna, No. 7, 1893, 38 (Pahrump and Vegas Valleys, Vegas 

 Wash, Ash Meadows, and Mount Magruder, Nev.) ; Hawks and Owls 

 United States, 1893, 91, pi. 12.— Thompson, Auk, x, 1893, 49 (near Lake 

 Winnipeg, Manitoba.). — Beristain and Laurencio, Mem. y Rev. Soc. 

 Cient. "Antonio Alzate," vii, 1894, 225 (Mexico; distr.). — Cooke, Colorado 

 State Agr. Col. Bull. 37, 1897, 75 (Colorado; habits) ; 56, 1900, 204 (Brecken- 

 ridge, Colo.; breeds). — Dawson, Auk, xiv, 1897, 173 (Okanogan County, 

 Wash., breeding). — Lantz, Trans. Kansas Acad. Sci. for 189&-97 (1899), 



