ORDER STRIGIFORMES. 167 



• Surnia ulula pallasi Buturlin. Siberian Hawk Owl. [377.] 



Surnia ulula pallasi Buturlin, Orn. Monatsb., XV, No. 6, June, 1907, 

 100. (Siberia.) 



Range. — Eastern Siberia, Kamchatka, and Ussuriland. Casual in Alaska 

 (St. Michaels, Oct., 1876 i and Bethel Island, Nov."). 



Surnia ulula caparoch (Muller). American Hawk Owl. [377a.] 



Strix caparoch P. L. S. MtJLLER, Natursyst. Suppl., 1776, 69. (Europa = 

 Hudson Bay.) 



Range. — Breeds from northwestern Alaska, northwestern Mackenzie, and 

 Hudson Strait to southern British Columbia, central Alberta (casually Mon- 

 tana), and Ungava. Winters south to the southern Canadian provinces, 

 casually to Washington, Nebraska, Minnesota, Missouri, Indiana, Ohio, 

 Michigan, Pennsylvania, New York, New Jersey, Rhode Island, Massachu- 

 setts, and Maine. Accidental in England and Bermuda. 



[Closely related races of S. ulula occur in Europe and Asia.] 



Genus GLAUCIDIUM Boie. 



Glauddium Boie, Isis von Oken, [XIX] 1826, Heft x (Oct.), col. 970. 

 Type, by subs, desig., Strix passmna Linnaeus (Gray, 1840). 



Glaucidium gndma pinicola Nelson. Rocky Mountain Pygmy Owl. [379.] 



Glauddium gnoma pinicola Nelson, Proc. Biol. Soc. Wash., XXIII, No. 

 25, June 24, 1910, 103. (Alma, New Mexico.) 



Range. — Rocky Mountain region, from Montana, Idaho, and Wyoming 

 south through Colorado to New Mexico and the mountains of southern Arizona 

 and extreme eastern California. 



Glaucidium gnoma swarthi Grinnell. Vancouver Pygmy Owl. [3796.] 



Glaucidium. gnoma swarOii Grinnell, Auk, XXX, No. 2, April [March 31], 



1913, 224. (Errington, Vancouver Island, British Columbia.) 



Range. — Vancouver Island, British Columbia. 



Glaucidium gnoma grinnelli Ridgway. Coast Pygmy Owl. [379c.] 



Glaucidium gnoma grinnelli Ridgway, Bull. U. S. Nat. Mus., No. 50, Pt. vi, 



1914, 791. (Humboldt Bay, Calif.) 



Range. — Pacific coast district from southeastern Alaska to Monterey 

 County, California, and east to the west base of Mt. Shasta and Lake County, 

 California. Casually to eastern Washington. 



1 Ridgway, Bull. Nuttall Orn. Club, III, 1878, 38. 

 - Collection L. B. Bishop. 



