66 CHECK-LIST OF NORTH AMERICAN BIRDS. 
Fregata Aquila (LINNuUS). Man-o’-war-bird. [128.] 
Pelecanus aquilus Linnxus, Syst. Nat., ed. 10, I, 1758, 133. (Ascencion 
Island, South Atlantic.) 
Rance.— 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. 
OrDER ANSERES. LAMELLIROSTRAL SWIMMERS. 
Famity ANATIDA. Ducks, GrEsr, AND SWANS. 
\ 
_ SupramMiILty MERGINZAS. MeErRGANSERS. 
GENUS MERGUS LINNUs. 
Mergus Linnxus, Syst. Nat., ed. 10, I, 1758, 129. Type. by subs. desig., 
Mergus merganser LinN=xus (Gray, 1840). 
Mérgus americénus Cassin. Merganser. [129.] 
Mergus americanus Cassin, Proc. Acad. Nat. Sci. Phila., VI, 1852, 187. 
(North America.) 
RancE.— 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. 
