_Strix nebulosa_, FORST. Phil. Trans. XXII, 386 & 424, 1772.—GMEL. Syst. Nat. p. 291, 1789.—LATH. Ind. Orn. p. 58, 1790; Syn. I, 133; Gen. Hist. I, 338.—DAUD. Tr. Orn. II, 191, 1800.—SHAW, Zoöl. VII, 245, 1839; Nat. Misc. pl. xxv.—VIEILL. Ois. Am. Sept. pl. xvii, 1807; Nouv. Dict. Hist. Nat. VII, 32; Enc. Méth. III, 1292.—AUD. Birds Am. pl. xlvi, 1831; Orn. Biog. I, 242.—TEMM. Man. Orn. pt. i, p. 88; pt. iii, p. 47.—WERN. Atl. Ois. Eur.—MEYER, Taschenb. Deutsch Vogelk. III, 21; Zusätze, p. 21.—WILS. Am. Orn. pl. xxxiii, f. 2, 1808.—RICH. & SWAINS. F. B. A. II, 81.—BONAP. Ann. Lyc. N. Y. II, 38; Isis, 1832, p. 1140.—JARD. (WILS.) Am. Orn. II, 57, 1832. _Ulula nebulosa_, STEPH. Zoöl. XIII, pl. ii, p. 60, 1815.—CUV. Reg. An. (ed. 2), I, 342, 1829.—JAMES. (WILS.) Am. Orn. I, 107, 1831; IV, 280.—BONAPARTE, List, page 7, 1838; Conspectus Avium, p. 53.—GOULD, Birds Eur. pl. xlvi.—LESS. Man. Orn. I, 113, 1828; Tr. Orn. p. 108.—GRAY, Gen. B. fol. (ed. 2), p. 8, 1844.—DE KAY, Zoöl. N. Y. II, 29, pl. x, f. 21, 1844. _Syrnium nebulosum_, GRAY, Gen. B. fol. sp. 9, 1844; List Birds Brit. Mus. p. 104.—CASS. Birds Cal. & Tex. p. 184, 1854; Birds N. Am. 1858, 56.—GIRAUD, Birds Long Island, p. 24, 1844.—WOODH. in Sitgr. Rept. Expl. Zuñi & Colorad. p. 63, 1853.—BREW. (WILS.) Am. Orn. p. 687, 1852.—KAUP, Monog. Strig. Cont. Orn. 1852, p. 121.—IB. Tr. Zoöl. Soc. IV, 256.—STRICKL. Orn. Syn. I, 189, 1855.—MAX. Cab. Jour. VI, 1858, 28.—DRESSER, Ibis, 1865, 330 (Texas, resident).—COUES, Key, 1872, 204.—GRAY, Hand List, I, 48, 1869.