66 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Fregata Iquila (Linn^us). Man-o '-war-bird. [128.] 



PeUcanus aquilus Linn^tjs, Syst. Nat., ed. 10, I, 1758, 133. (Ascencion 

 Island, South Atlantic.) 



Range. — Tropical and subtropical coasts; in America north to 

 southern California, Texas, Louisiana, and Florida, and casually to 

 California (Humboldt Bay), Kansas, Iowa, Wisconsin, Ohio, and 

 Nova Scotia. 



Okdeb ANSEEES. Lamellirostral Swimmers. 



Family ANATIDiE. Ducks, Geese, and Swans. 



Subfamily IIERGIN.X. Mergansers. 



Genus MERGUS Linnaeus. 



Mergus Linn^tjs, Syst. Nat., ed. 10, 1, 1758, 129. Type, by subs, desig., 

 Mergus merganser Linn^us (Gray, 1840). 



M§rgus americlnus Cassin. Merganser. [129.] 



MergiLS americanus Cassin, Proc. Acad. Nat. Sci. Phila., VI, 1852, 187. 

 (North America.) 



Range. — North America. Breeds from southern Alaska, southern 

 Yukon, Great Slave Lake, central Keewatin, southern Ungava, and 

 Newfoundland south to central Oregon, southern South Dakota, 

 southern Minnesota, central Michigan, Ohio (formerly), northern New 

 York, Vermont, New Hampshire, and Maine, and in mountain, 

 south to northern California, central Arizona, northern New Mexico, 

 and Pennsylvania (formerly) ; winters from Aleutian Islands, British 

 Columbia, Idaho, northern Colorado, southern Wisconsin, southern 

 Ontario, northern New England, and New Brunswick south to north- 

 ern Lower California, northern Mexico (Chihuahua), Texas, Louisiana, 

 Florida, and Bermuda. 



