174 CHECK-LIST OF NORTH AMERICAN BIRDS. 
i. Otus asio macfarlanei (BREWsTER). MacFarlane’s Screech Owl. [373h.] 
Megascops asio macfarlanei Brewster, Auk, VIII, April, 1891, 140. 
(Fort Walla Walla, Washington.) 
RanceE.— Interior of British Columbia south to eastern Washington, 
Oregon, and western Montana. 
Otus trichépsis (WAGLER). Spotted Screech Owl. [373.1.] 
Scops trichopsis WAGLER, Isis, XXV, 1832, 276. (Mexico.) 
RanGE.— Southern Arizona to Guatemala. 
Otus x4ntusi (BREWSTER). Xantus’s Screech Owl. [373.2.] 
Megascops xantusi BREwstTER, Bull. Mus. Comp. Zodl., XLI, 1902, 93. 
(Santa Anita, Lower California.) 
RanGE.— Southern Lower California. 
Otus flamméolus (Kaup). 
Rance.— Interior and western North America from southern 
British Columbia south to the highlands of Guatemala, and east to 
Colorado. 
a. Otus flammeolus flammeolus (Kaur). Flammulated Screech Owl. [374.] 
Scops flammeola Katp, Trans. Zogl. Soc. Lond., IV, Pt. 6, 1859, 226. 
(Mexico.) 
Rance.— Arizona and northern Colorado south to central Mexico and the 
highlands of Guatemala. 
b. Otus flammeolus idahoénsis (MeRRIAM). Dwarf Screech Owl. [374a.] 
Megascops flammeolus idahoensis Merriam, N. Amer. Fauna, No. 5, 
July, 1891, 96, pl. i. (Ketchum, Idaho.) 
RaneGe.— Southern British Columbia, eastern Washington, and Idaho 
south to San Bernardino Mountains, California. 
GENUS BUBO DuMERIL. 
Bubo Dumérit, Zool. Analytique, 1806, 34. Type, by tautonymy, Strix 
bubo LINN &US. 
