ORDER ANSERES. 47 



Order ANSERES. Lamellirostral 

 Swimmers. 



Family ANATIDiE. Ducks, Geese, and Swans. 



Subfamily MERGING. Mergansers. 



Genus MERG-ANSER Brisson. 



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

 Linn. 



129. Merganser americanus (Cass.). 



American Merganser. 



Mergus americanus Cassin, 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.). 



Bed-breasted Merganser. 



Mergus serrator Ism's. S. N. ed. 10, I. 1758, 129. 

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



[B 612, 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 

 cucullatus Linn. 



