WEB-FOOTED BIRDS. 
DUCK. 
GENERIC CHARACTER. 
Bill strong, depressed, and divided on the edge into sharp 
lamella?. 
Nostrils small and oval. 
Tongue fleshy ; ciliated near the base. 
WILD SWAN. 
SPECIFIC CHARACTER. 
Anas Cycnus. A. rostro semicylindrico atro, cera flava, eorpore 
albo. Linn. Syst. Nat. Gmel. 1 . p. 510. 
Bill semicylindrical and black j cere yellow ; 
body white. 
Cygnus ferus. Briss. Av.6.y. 292.no. 12. t.28. 
Wild Swan. . Buff. Birds , 9. p. 1. Brit. Zool. 2. p. 562. 
no. 264. Will. Orn. p. 356. t. 69. Edw. 
Av. t. 150. 
Whistling Swan. Arct. Zool. 2. p. 541. 
no. 469. Lath. Syn. 3. p. 433. no. 1. 
The whole plumage of this species is pure white ; 
it weighs from thirteen to sixteen pounds ; and 
measures, to the tip of the tail, four feet ten. It 
