ORDER ANSERES. 47 



Order ANSERES. Lamellirostral 

 Swimmers. 



Family ANATID^. Ducks, Geese, and Swans. 



Subfamily MERGINiB. Mergansers. 



Genus MERGANSER Brisson. 



Merganser Briss. Orn. VI. 1760, 230. Type, Mergus merganser 

 Linn. 



129. Merganser americanus (Cass.). 



American Merganser. 



Mergus americamis Cass,!^, Pr. Ac. Nat. Sci. Phila. VI. 1853, 187. 

 Merganser americanus Stejn. Orn. Expl. Kamtsch. 1885, 177. 



[B— , C— R— C— .] 



Geog. Dist. — North America generally, breeding south in the 

 United States to Pennsylvania and the mountains of Colorado and 

 California. Bermuda. 



130. Merganser serrator (Linn.). 



Red-breasted Merganser. 



Mergus serrator Linn. S. N. ed. 10, I. 1758, 129. 

 Merganser serrator Schaffer, Mus. Orn. 1789, 66. 



[B612, C 522, R 637, C 744.] 



Geog. Dist. — Northern portions of northern hemisphere ; south, 

 in winter, throughout the United States. 



Genus LOPHODYTES Reichenbach. 



Lophodytes Reichenbach, Syst. Av. 1852, p. ix. Type, Mergus 

 cucuUatus Linn. 



