658 BXJLLETIlSr 50, UNITED STATES NATIONAL MUSEUM. 



Auk, xviii, 1901, 38 (Elmsdale and Port Sydney, n. w. Ontario, rare); xxiv, 

 1907, 74 (Toronto, Ontario, breeding). — Wilson (B. H.), Wilson Bull., no. 

 54, 1906, 3 (Scott Co., Iowa, breeding).— Jones, Wilson Bull., no. 57, 1906, 

 115 (Cleveland, Ohio, common resident). — Miller (W. DeW.), Bull. Am. 

 Mus. N. H., xxii, 1906, 164 (Las Bocas, n. w. Durango, Feb.). — Beard, Auk, 

 xxiii, 1906, 337 (Flushing, Long Island, breeding). — Holmes, Wilson Bull., 

 no. 58, 1907, 23 (Summit, New Jersey, rare summer resident). — Sharp, Con- 

 dor, ix, 1907, 87 (San Diego Co., California, breeding). — Thayer and Bangs, 

 Condor, ix, 1907, 137 (Rosario, Lower California, Nov.). — Larsen, Wilson 

 Bull., no. 60, 1907, 114 (Lyman Co., South. Dakota, resident). — Roberts, in 

 W^ilcox's Hist. Becker Co., Minn., 1907, 174 (summer resident). — Bent, Auk, 

 XXV, 1908, 25 (s. w. Saskatchewan, breeding). — Harlow, Auk, xxv, 1908, 

 278 (e. Pennsylvania; breeding?).— Deanb (W.), Auk, xxvi, 1909, 78 (Shel- 

 burne, New Hampshire, Oct. 12, 1908).— Van Rossem, Condor, xi, 1909, 208 

 (Los Coronados Islands, Lower California). — Hess, Auk, xxvii, 1910, 23 (Lynn 

 Grove, Champaign Co., Illinois, breeding). — Ferry, Auk, xxvii, 1910, 198 

 (Prince Albert, Saskatchewan, breeding). — Miller (R. F.), Auk, xxvif, 1910, 

 340 (Philadelphia Co., Pennsylvania, breeding). — Swarth, Univ. Calif. Pub. 

 ZooL, vii, 1911, 64 (Taku R., s. Alaska; crit.).— Smith (A. P.), Auk, xxix, 

 1912, 255 (near Brownsville, Texas, Jan. 4, 1912). 



A[sio] wilsonianus Coues, Key N. Am. Birds, 2d ed., 1884, 507. — Ridgway, Man- 

 N. Am. Birds, 1887, 257. 



[Asio] wilsonianus Sharps, Hand-list, ii, 1900, 280. 



Nyctalops wilsonianus Stone, Auk, xx, July, 1903, 275. — Grinnell (J.), Auk, 

 xxii, 1905, 383 (Mt. Pinos, California). 



0[tu^] wilsonius Gray, Gen. Birds, i, 1844, 40. 



Otus wilsonius Drew, Bull. Nutt. Orn. Club, vi, 1881, 141 (Colorado). 



Asia wilsonius Bowles, Auk, xxiii, 1906, 143 (Tacoma, Washington, rare visitant). 



Otus vulgaris (not of Fleming) Jardine, ed. Wilson's Am. Orn., ii, 1832, 278. — 

 AupuBON, Synopsis, 1839, 28; Bu-ds Am., oct. ed., i, 1840, 136, pi. 37.— 

 Martens, Journ. fvir Orn., 1859, 212 (Bermudas). — Bland, An. Rep. Smith- 

 son. Inst., 1859, 287 (Bermudas). 



{?)0[tus] zonurus Kaup (Gray MS.), Jardine's Contr. Orn., 1852, 113. 



Otus zonurus Kaup, Trans. Zool. Soc. Lond., iv, pt. vi, 1859, 234. 



[Otus] zonurus Gray, Hand-list, i, 1869, 50, no. 541. 



Bubo asio (not Strix asio Linnaeus) De K.\y, Zool. N. Y., ii, 1844, 25, pi. 12, fig. 25. 



Asio peregrinator Strickland, Orn. Syn., i, 1855, 207 (ex Strix peregrinator, capite 

 aurito, corpore versicolore, the sharp-winged owl, Bartram, Travels, p. 289). 



ASIO STYGIUS (Wagler). 



STYGIAN OWL. 



Adults {sexes alike). — General color of upper parts plain dark sooty 

 brown, but this broken by large, irregular spots or blotches of buff on 

 pileum, hindneck, back, and scapulars, the buff mostly concealed on 

 dorsal region, more in form of broad streaks on hindneck and pileum, 

 the forehead rather densely streaked with pale buff or whitish; lesser 

 wing-coverts mostly uniform dark sooty brown, but in part irregu- 

 larly spotted with buff or ochraceous ; middle and greater coverts, 

 in part, irregularly mottled or marbled with pale buff or dull white, 



