ORDER ANSERES. R 47 
ORDER ANSERES. LAMELLIROSTRAL 
SWIMMERS. 
Famity ANATIDZE. Ducks, GEESE, aND SWANS. 
SUBFAMILY MERGINAS. MERGANSERS. 
GENUS MERGANSER Brisson. 
Merganser Briss. Orn. VI. 1760, 230. Type, Aergus 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—.] 
Geoc. Dist.— North America generally, breeding south in the 
United States to Pennsylvania and the mountains of Colorado and 
California. Bermuda. 
130. Merganser serrator (Liny.). 
Red-breasted Merganser. 
Mergus serrator LINN. S. N. ed. to, I. 1758, 129. 
Merganser serrator SCHAFFER, Mus. Orn. 1789, 66. 
PBrGr2) 522! R637, C 744.| 
Groc. Dist.— Northern portions of northern hemisphere; south, 
in winter, throughout the United States. 
Genus LOPHODYTES ReIcHEeNBACH. 
Lophodytes REICHENBACH, Syst. Av. 1852, p. ix. Type, Mergus 
cucullatus LINN. 
