FULIGUL1NJE.] 



52 



GENUS II. MELANITTA. 



Ext. Char. Pedes digitis posterioribus lobatis, ct oxternis longissimis. Rostrum magnum, 

 basi elevatum. Lamella; magnae, ad marginem eontinuatae. Nares ovak's. magna, in medio rostn 

 positae. 



Anat. Char. Trachea uno vel duabus bulbis tubula. Larynx inferior non bulbo 

 instructo. 



Ext. Char. Feet with the posterior toes lobatcd, the outer ones longest. Bill large, 

 elevated at the hase. Lamelhe large, continued to the margin. Nostrils oval, large, placed in the 

 middle of the bill. 



Axat. Char. Trachea with one or two bulhs on the trachea. The inferior larynx 

 without a bulb. 



Melamtta. Boie. 



Anas. Linn. 



Oidemia. Flem. 



Type. Melanitta fusca. 



The proportions of the skeleton are: — The depth of the keel to the length of the sternum, 

 as 1 to 4|. Breadth of the pelvis to its length, 1 to 3|. Length of the femur to that of the tibia, 

 as 1 to If. Depth of cranium to its length, as 1 to 2\. Keel of the sternum not produced to 

 the posterior extremity. 



