CONTRIBUTIONS TO THE NATURAL HISTORY OF ALASKA. 187 



Family ANATID.SL Ducks, Geese, and Swans. 

 Genus Merganser Brisson. 



129. Merganser americanus (Cass.). American Merganser. 



130. Merganser serrator (Linn.). Bed breasted Merganser. 



Genus Lophodytes Reichenbach. 



131. Lophodytes cucullattjs (Linn.). Hooded Merganser. 



Genus Anas Linnaeus. 



132. Anas boschas Linn. Mallard. 



135. Anas strepera Linn. Qadwall. 



136. Anas penelope Linn. Widgeon. 



137. Anas Americana Gmel. Baldpate. 

 [138.] Anas crecca Linn. European Teal. 



139. Anas carolinensis Gmelin. Green-winged Teal. 



140. Anas discors Linn. Blue-winged Teal. 



Genus Spatula Boie. 



142. Spatula clypeata (Linn.). Shoveler. 



Genus Dafila Stephens. 



143. Dafila acuta (Linn.). Pintail. 



Genus Aythya Boie. 



146. Aythya Americana (Eyt.). Redhead. 



147. Aythya vallisneria (Wils.). Canvas-back. 



148. Aythya marila nearctica Stejn. American Scaup Buck. 



149. Aythya affinis (Eyt.). Lesser Scaup Buck. 



150. Aythya collaris (Donov.). Ring-necked Buck. 



Genus Glauceonetta Stejueger. 



151. Glaucionetta clangula Americana (Bonap.). American Golden-eye. 



152. Glaucionetta islandica (Gmel.). Barrow's Golden-eye. 



Genus Charitonetta Stejueger. 



153. Charitonetta albeola (Linn.). Buffle-head. 



Genus Clangula Leach. 



154. Clangula hyemalis (Linn.). Old-squaw. 



Genus Histrionicus Lesson. 



155. Histrionicus histrionicus (Linn.). Harlequin Buck. 



Genus Eniconetta Gray. 



157. Eniconetta stelleri (Pall.). Steller's Buck. 



Genus Arctonetta Gray. 



158. Arctonetta fischeri (Brandt). Spectacled Eider. 



