Ivi 



GENERAL INDEX. 



DUCKS. 



VOL. PAGE 



Bill convex, obtuse, the edges divided into lamellae 



or teeth ; nostrils small, oval ; tongue fringed, obtuse ; 

 three fore toes connected, the hind one solitary. 



American W^ido^eon. (Anus ATnericdnci) 



viii 



86 



Black, or Surf Duck, {A, perspicillata) 



viii 



49 



Blue-winsred Teal, (A, discors) 



viii 



74 



Brant i 4 hpTiiicIn/) 



viii 



• T XXX 



131 



BuiFel-headed Duck, {A, albeold) 



viii 



51 



Canada Goose, {A, Canadensis) 



viii 



53 



CanvaS'back Duck^ (A. valisineria) 



viii 



103 



Duskv D. ( A. obscuTo) . . . . 



viii 



141 



Eider D. {A, mollissima) . . . 



viii 



122 



Female of ditto . . . . 



XL l.XXt/VXV-/ v/x VXXl^VV^ • • • • 



viii 



125 



Gadwall, (A, streperd) .... 



viii 



120 



Golden-eye, {A, clangula) , . . . 



viii 



62 



Green-winged Teal, {A, crecca) 



viii 



101 



Harlequin Duck, {A, histrionica) 



. viii 



139 



Lonp"- tailed D. (A. ^lacialis) 



viii 



93 



Female of ditto . . . . . 



. viii 



96 



Mallard, (A, boschas) .... 



viii 



112 



Pied Duck, (^A. Labradora) . 



. viii 



91 



Pintail D. {A. acuta) . . 



viii 



72 



Red-headed D. {A, ferina ?) . . 



. viii 



110 



Euddy D, (A. rubidus) 



viii 



128 



Female of ditto . . . 



. viii 



130 



Scaup D. (A, marila) .... 



viii 



84 



Scoter D. (A, nigra) .... 



. viii 



135 



Shoveller, (^A, clypeata) .... 



viii 



65 



Snow Goose, {A, hyperborea) 



. viii 



76 



Young of ditto .... 



viii 



89 



