ORDER ANSERES. II3 



[B— ,C-, R-,C-.] 



Hab. Pacific coast, from San Francisco to Cape St. Lucas, and 

 p. jbably to Mexico and Central America. 



Family FREGATID-ffl. Man-o'-War Birds. 



Genus FREGATA Cuvier. 



Fregata Cuv. Leg. d'Anat. Comp. L 1799-1S00, tab. ii. Type, PeU" 



cuuus aquilus Linn. 



128. Fregata aquila (Linn.). 



Man-o'-War Bird. 



Pelecanus aquilus Linn. S. N. ed. 10, L 1758, 133. 

 Fregata aquila Reich. Syst. Av. 1852, p. vi. 



[B 619, C 537, R 639, C 761.] 



Hab. Tropical and subtropical coasts generally ; in America, north 

 to Florida, Texas, and California, and casually on the Atlantic coast 

 to Nova Scotia. 



Order ANSERES. Lamellirostral 



Swimmers. 



Family ANATID.^. Ducks, Geese, and Swans. 

 Subfamily MERGIN-ffl. Mergansers. 



Genus MERGANSER Brisson. 

 Merganser Briss. Orn. VL 1 760, 230. Type, Mergus merganser Linn. 

 129. Merganser americanus (Cass.). 



American Merganser. 



Mergus americanus Cassin, Pr. Ac. Nat. Sci. Phila. VL 1853, 187. 

 Merganser americanus Stejn. Orn. Exp). Kamtsch. 1885, 177, 



8 



