56 ORNITHOLOGICAL DIRECTORY. 



238. Aix sjjonsa, Summer Duck. Com. Summer res. 



239. Fuligula rnarlla^ Greater Black-head. Migra- 

 tory. Not common. 



240. Fuligula affinis^ Lesser Black-head. Occasion- 

 al. Migratory. 



241. Fuligula collaris^ Ring-necked Duck. Migra- 

 tory. Rare. 



242. Fuligula ferina^ var. amcrlcana^ Red-head. 

 Not common. Migratory ; possibly breeds on northeast- 

 ern boundary. 



243. Fuligula vaUisHeria^ Canvass-back. Very rare. 

 Migratory. 



244. Bucephala americana^ Golden-eyed Duck. Mi- 

 gratory. Rare, 



245. Bucephala albeola^ Buffle-head. Abund. Sum- 

 mer resident on northeastern border ; migratory. 



246. Harelda glacialls^ Long-tailed Duck, Occasion- 

 al. Winter visitant. 



247. Histrionicus torquatus, Harlequin Duck. Ac- 

 cidental in winter. 



248. Somateriamollissiuia, Eider Duck. Accid'l. 



249. 3fergus merganser^ Merganser. Not common. 

 Migratory. 



250. Mergus serratoi\ Red-breasted Merganser. Not 

 common. Chiefly migrant. 



251. 3Iergus cuculatus^ Hooded Merganser. Not un- 

 common. Summer resident in northern sections. 



252. Felecanus erythrorhynchus^ White Pelican. 

 Accidental on our northern boundary. 



253. Larus ?)iari/u(S, Great Black-backed Gull. Win- 

 ter sojourner. Rare. 



