ORDER STRIGIFORMES. 171 



Range. — Eastern Siberia; casual in the Yukon Delta, Alaska (Yukon 

 delta, April 15, 1876). i 



[Additional races of S. nebulosa occur in northern Europe and Asia.] 



Genus ASIO Brisson. 



Asio Brisson, Orn., 1760, 1, 28, 477. Type, by tautonymy, Asio Brisson 

 = Strix otus Linnaeus. 



Asio wilsonianus (Lesson). Long-eared Owl. [366.] 



Otus Wilsonianus Lesson, Traite d'Orn., Livr. 2, May 8, 1830, 110. 

 (Etats-Unis et principalement dans I'automne Pennsylvanie = Penn- 

 sylvania.) ^ 



Range. — Breeds from central British Columbia, southern Mackenzie, 

 northern Ontario, southern Quebec, and Newfoundland south to southern 

 California, northern Texas, Arkansas, and Virginia. Winters from southern 

 Canada to southern Florida, Louisiana, and central Mexico. Casual in 

 southeastern Alaska. 



Asio flammeus flammeus (Pontoppidan). Short-eared Owl. [367.] 



Strix flammea Pontoppidan, Danske Atlas, I, 1763, 617, (pi. xxv). 

 (Sweden.) 



Range. — ^B reeds irregularly and locally from northern Alaska and the 

 Aleutian Islands, northern Mackenzie, northern Quebec (Ungava), and Green- 

 land south to California, Colorado, southern Kansas, Missouri, northern Ohio, 

 northern Indiana, and the coast of New Jersey; also breeds in Europe and 

 northern Asia. Winters from British Columbia, Wyoming, Minnesota, 

 Indiana, Ohio, and Massachusetts south to Louisiana, Cuba, and Guatemala. 

 [Allied races occur in South America, the Falkland, Galapagos, and Hawaiian 

 islands, and in southwestern Siberia.] 



Genus CRYPTOGLAXJX Richmond. 



Crypioglaux Richmond, Auk, XVIII, No. 2, April, 1901, 193. Type, by 

 orig. desig., Strix tengmalmi Gu'E'Lm = Strix fujicrca Linnaeus. 



Cryptoglaux fxinerea richardsoni (Bonaparte). Richardson's Owl. [371.] 



Nyctale Richardsoni Bonaparte, Geog. and Comp. List, 1838, 7. New 

 name for Strix tengmalmi Audubon [Birds Amer. (folio), pi. 380]. 

 (Bangor, Maine.) 



Range. — Breeds in the Hudsonian and upper Canadian zones from limit of 

 trees in central Alaska and northern Yukon and Mackenzie south to northern 



1 Ridgway, Bull. Nuttall Orn. Club, III, 1878, 37. 



2 This species has been sometimes regarded as a subspecies of the European 

 A. otus. 



