148 CHECK-LIST OF NORTH AMERICAN BIRDS. 



375. Bubo virginianus (Gmel.). 

 Great Horned Owl. 



Sirix virginiana Gmel. S. N. I. i. 1788, 287. 



Bubo virginianus Bonap. Geog. & Comp. List, 1838, 6. 



[B48, C 317, R 405, C462.] 



Geog. Dist. — Eastern North America, west to the Mississippi 

 Valley, and from Labrador south to Costa Rica. 



375 1;. Bubo virginianus subarcticus (Hoy). 



Western Horned Owl. 



Bubo subarcticus Hoy, Pr. Ac. Nat. Sci. Phila. VT. 1852, 211. 

 Bubo virginianus (3 subarcticus Ridgw. Orn. 40th Par. 1877, 572. 



[B a^,pari, C 2,'^'] a, part, R ^oi,a,part, C 463, /ar/.] 



Geog. Dist. — Western United States, from the Great Plains 

 westward ; southward to the Mexican tablelands ; east, casually, 

 to Wisconsin and Illinois; north to Manitoba and British Columbia. 



375 b. Bubo virginianus arcticus (Swains.). 

 Arctic Horned Owl. 



Strix (Bubo') arctica Swains, in Sw. & Rich. Fauna Bor. Am. II. 



1831,86, pi. 30. 

 Bubo virginianus var. arcticus Cass. lUust. B. Cal. etc. 1854, 178. 



[B 4.8, part, C 2)T-']a,part, R 4051^, C 463, /ar/.] 



Geog. Dist. — Arctic America, chiefly in the interior, south, in 

 winter, to Idaho, Montana, Wyoming, and South Dakota. 



375 c. Bubo virginianus saturatus Ridgw. 

 Dusky Horned Ow^l. 



Bubo virginianus saturatus Ridgw. Orn. 40th Par. 1877, 572, 

 foot-note. 



[B 48, part, C 317*, R 405.^, C 464.J 



Geog. Dist. — Pacific coast region, from Monterey Bay, California, 

 northward to Alaska and eastward to Hudson Bay and Labrador ; 

 southward through the mountainous regions of the West to Arizona. 



