423 APPENDIX. 



The White Swan. 



American Swan. 

 Ci/gnus Americamis, Aud. 



Specific Character. — ^Plumage, pure white; bill 

 and feet black ; length of the specimen before us, 

 four feet; wing twenty-one and a half inches. 



These magnificent birds, the most majestic of the 

 game-birds of our continent, are rarely shot to the 

 northward and eastward of Chesapeake bay, but 

 are much more abundant in the far West — even to 

 and beyond the Rocky Mountains. 



Fkesh-Water Ducks. 



Genus Anas, Linn. 



Generic Distinctions. — ^Bill higher than broad at 

 the base, widening towards the end, and about the 

 same length as the head ; the upper mandible with a 

 slight nail at the end ; neck rather long ; body full ; 

 wings moderate, pointed ; feet short, stout, and placed 

 behind the centre of the body ; walks with a wad- 

 dling gait ; hind toe furnished with a narrow mem- 

 brane. 



Mallard. 



Green Head, English Duck, Grey Duck (female), the 

 Duck, the Wild Duck. 



Anas Boschas, Wils. 



Specific Character. — Speculum bright purple, re- 

 flecting green, bordered with black ; secondaiies 



