486 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



Check-list, 1886, and ed. 2, 1895, No. 352, part; ed. 3, 1910, 162.— Blake, 

 Auk, iv, 1887, 329 (Santa Cruz Island, Calif.; breeding). — Byuant, Proc. 

 California Acad. Sci., ser. 2, 1889, 281 (Estero and Santa Margarita Island, 

 Lower California; breeding). — Goss, Hist. Birds Kansas, 1891, 275 (Kansas; 

 rare; habits; descr.). — -Bendire, Life Hist. North Amer. Birds, i, 1892, 274, 

 part, pi. 9, fig. 7.— Scott, Auk, ix, 1892, 212 (Calloosahatchie River, Fla.; 

 breeding). — Fishek, Hawks and Owls United States, 1893, 97, pi. 14, part. — 

 McGregor, Pacific Coast Avif., No. 2, 1901, 6 (Santa Cruz County, Calif.) .— 

 Brewster, Bull. Mu?. Comp. Zool., xli, No. 1, 1902, 88 (Esplritu Santo 

 Island and Gulf coast opposite Carmen Island, Lower California; breeding). — 

 Bailey, Auk, xxi, 1904, 353 (upper Pecos River, N. Mex., 8,000 feet), 446 

 (Pecos Mountains, San Miguel County, N. Mex.; 8,000 ft.). — Stockard, 

 Auk, sxii, 1905, 152 (Mississippi; breeding habits). — Oberholser, U. S. 

 Biol. Surv. Bull. 27, 1906, 6, pi. 1, part (habits, range, food, etc.). — Anderson, 

 Proc. Davenport Acad. Sci., xi, 1907, 253, part (Iowa range). — Widmann, 

 Birds Missouri, 1907, 100 (once abundant, now rare; breeding). — Stephens, 

 Condor, xxiii, 1921, 96 (Coronados Islands, 1 spec. Mar. 1921). — Pember- 

 ton. Condor, xxx, 1928, 147 (Santa Rosa Island). — Howard, Condor, xxxii, 

 1930, 84 (Pleistocene remains, Rancho La Brea) ; Auk, Ivii, 1940, 529, in 

 text (preys on geese). — Bailey and Wright, Wils. Bull., xliii, 1931, 203 (s. 

 Louisiana). — Guthrie, Wils. Bull., xliv, 1932, 103, in text (eats snakes). — 

 Howard and Miller, Condor, xxxv, 1933, 16 (bones; Organ Mountains, 

 N. Mex.). — Howard and Dodson, Condor, xxxv, 1933, 235, in text (Point 

 Mugu, Calif.; shell mound remains). — Pierce, Condor, xxxv, 1933, 202, in 

 text (Big Bear Valley, Calif.; seen). — Dale, Condor, xxxviii, 1936, 209, in 

 text (Sacramento Valley, Calif.; econ. status). — Dixon and Bond, Condor, 

 xxxix, 1937, 97, in text (Tule Lake, Calif.; nesting). — Imler, Condor, xxxix, 

 1937, in text (Kansas; food habits). — Reimann, Auk, Iv, 1938, 524, in text 

 (Monroe County, Fla.; food). — Bond, Condor, xli, 1939, 56, in text (Tule 

 Lake, Calif.; food). — Hargrave, Condor, xli, 1939, 122, in text (Roosevelt 

 Lake, Ariz.; 1 rec), 207, 209, in text (Flagstaff, Ariz.; prehistoric bones). — 

 Monson, Condor, xli, 1939, 167, in text (Long Lake, N. Mex.; 1 rec). — 

 Engels, Auk, Iviii, 1941, 63, 64, in text (skeletal ratios). — Howell, Auk, 

 Iviii, 1941, 402 (Florida; nesting). — Monroe and Mengel, Wils. Bull., hii, 

 1941, 196 (Ballard County, Ky.; nest.).— Bryant, Condor, xliv, 1942, 41, in 

 text (n. Arizona desert). — Grater, Condor, xliv, 1942, 75, in text (Bryce 

 Canyon National Park). — Stevenson, Condor, xliv, 1942, 110 (c Panhandle 

 of Texas; winter). — Allan and Sime, Wils. Bull., Iv, 1943, 34 (Texas Pan- 

 handle; only 1 seen but reported as not unusual). — Baldwin, Condor, xlvi, 

 1944, 206, in text (Boulder Dam, Nev.).— Davis, Auk, Ixii, 1945, 634 (Wash- 

 ington, D. C, nesting in zoo). — Woodbury and Russell, Bull. Univ. Utah, 

 xxxv, 1945, 39 ("Navaho Country," se. Utah and ne. Arizona; rare bird; 

 probably only a vis.). — Alcorn, Condor, xlviii, 1946, 132 (Lahontan Valley, 

 Nev.). — Rett, Condor, xlix, 1947, 166 (San Nicolas Island, Calif.; nesting). 

 Haliaetus leucocephalus Lesson, Traits d'Orn., 1831, 40, part. — Audubon, 

 Synopsis, 1839, 10, part; Birds Amer., 8vo ed., i, 1840, 57, pi. 14, part. — 

 NuTTALL, Man. Orn. United States and Canada, Land Birds, ed. 2, 1840, 

 74, part.— Kaup, Isis, 1847, 274 (monogr.), 368, 373; in Jardine's Contr. 

 Orn., 1850, 73.— Gray, List Spec. Brit. Mus., pt. 1, ed. 2, 1848, 26.— Bona- 

 parte, Consp. Gen. Av., i, 1850, 15; Rev. Mag. Zool., vi, 1854, 531. — 

 Cassin, Illustr. Birds California, Texas, etc., 1854, 111; in Baird, Rep. 

 Pacific R. R. Surv., ix^ 1858, 43, part. — Brewer, North Amer. Ool., i, 1857, 

 48, pi. 4, fig. 37, part.— Baird, Cat. North Amer. Birds, 1859, No. 43, part.— 



