192 CONTRIBUTIONS TO THE NATURAL HISTORY OF ALASKA. 



Genu.s Ulula Cuvier. 



270. Ulula cinerea (Giuel.). Great Gray Owl. 

 [370a.] Ulula cinerea lapponica (Retz.). Lapp Owl. 



Genus Nyctala Brehni. 

 371. Nyctala tengmalmi richardsoni (Bonap.). Richardson's Orel. 



Geuus Megascops Kaup. 



373d. Megascops asio kennicottii (Elliott). Kennicott's Screech Owl. 



Geuus Bubo Cuvier. 



375ft. Bubo virginianus arcticus (Swaius.). Arctic Homed Owl. 

 375c. Bubo virginianus saturatus Ridgw. Dusky Horned Owl. 



Geuus Nyotea Stephens. 



376. Nyctea nyctea (Linn.). Snowy Owl. 



Genus Surnia Dunienl. 



[377.] Surnia ulula (Linu.). Hawk Owl. 



377a. Surnia ulula caparoch (Miill.). American Hawk Owl. 



Family ALCEDINLDiE. Kingfishers. 



Genus Ceryle Boie. 



390 Ceryle alcyon (Linn.). Belted Kingfisher. 



Family PICIDiE. Woodpeckers. 

 Genus Dryobates Boie. 



393a. Dryobates villosus leucomelas (Bodd.). Northern Hairy Woodpecker. 

 394. Dryobates pubescens (Linn.). Downy Woodpecker. 



Genus Picoides Lacepede. 



401. Picoides americanus Brehm. American Three toed Woodpecker. 



401a. Picoides americanus alasoensis (Nels.). Alaskan Three-toed Woodpecker. 



4016. Picoides americanus dorsalis Baird. Alpine Three-toed Woodpecker. 



Geuus Colaptes Swainson. 



412. Colaptes auratus (Linu.). Flicker. 



413a. Colaptes caper saturatior Ridgw. Northwestern Flicker. 



Famtly TROCHILIDJE. Hummingbirds. 



Geuus Trochilus Linnaeus. 



433. Trochilus rufus Gmel. Rufous Hummingbird. 



Family TYRANNID JE . Tyrant Flycatchers. 



Genus Sayornis Bonaparte. 



457. Sayornis saya (Bonap.). Say's Phcebe. 



