CLASSIFIED INDEX. 173 



ANATIDM (DUCKS). 

 The only family. Characters of the order. 

 Anas boscas (A. boschas), WILD DUCK. II. 25 

 Fuligula ferina (Anas ferina), POCHARD, IV. 29 

 Mareca penelope (Anas penelope), WIGEON, III. 65 

 Mergus albellus, SMEW, IV. 61 



(Edemia nigra (Oidemia nigra, Anas nigra), SCOTER, IV. 53 

 Querquedula crecca (Anas crecca), TEAL, I. 97 

 Somateria mollissima (Anas mollissima), EIDER DUCK, III. 133 

 Spatula clypeata (Anas clypeata), SHOVELLER, III. 121 

 Tadorna cornuta (Anas tadorna, T. vulpanser), SHIELDRAKE, III. 93 



