CONTRIBUTIONS TO THE NATURAL HISTORY OF ALASKA. 191 



Genus Lagopus Brisson. 



301. Lagopus lagopus (Linn.). Willow Ptarmigan. 



302. Lagopus rupestris (Gmel.). Bock Ptarmigan. 



3026. Lagopus rupestris nelsoni Stejn. Nelson's Ptarmigan. 

 302c. Lagopus rupestris atkhensis (Turner). Turner's Ptarmigan. 



Genus Pediooetes Baird. 



308. Pediocetes phasianellus (Linn.). Sharp-tailed Grouse. 



Family FALCONID^E. Vultures, Falcons, Hawks, Eagles, etc. 



Genus Circus Lacepede. 



331. Circus hudsonius (Linn.). Marsh Hawk. 



Genus Accipiter Brisson. 



332. Accipiter velox (Wils.). Sharp-shinned Hawk. 



334. Accipiter atricapillus (Wils.). American Goshawk. 



334a. Accipiter atricapillus striatulus Ridgw. Western Goshawk. 



Genus Buteo Cuvier. 



337fc. Buteo borealis calurus (Cass.). Western Red-tail. 

 342. Buteo swainsoni Bonap. Swainson's Hawk. 



Genus Archibuteo Brehm. 



[347.1 Archibuteo lagopus (Briinu.). Bough-legged Hawk. 



347a! Archibuteo lagopus sancti-johannis (Gmel.). American Bough-legged Hawk. 



Genus Aquila Brisson. 



349. Aquila chrysaetos (Linn.). Golden Eagle. 



Genus Haluetus Saviguy. 



352. Hali^etus leucocephalus (Linn.). Bald Eagle. 



Genus Falco Linnaeus. 



353. FALCO ISLANDUS (Briiun.). White Gyrfahon. 



354. Falco rusticolus (Linn.). Gray Gyrfahon. 

 354a. Falco rusticolus gyrfalco (Linn.). Gyrfalcon. 



356. Falco peregrinus anatum (Bona]).). Duck Hawk. 

 356a. Falco peregrinus pealei Ridgw. Peak's Falcon. 



357. Falco columbarius Linn.. Pigeon Hatch: 



357a. Falco columbarius suckleyi Ridgw. Black Merlin. 

 360. Falco sparverius Linn. American Sparrow Hawk. 



Genus Pandion Saviguy. 



364. Pandion haliaetus carolinensis (Gmel.). American Osprey. 



Family BIJBONID^E ? Horned Owls, etc. 



Genus Asio Brisson. 



367. Asio accipitrinus (Pall.). Short-eared Owl. 



