The Mergansers. 401 



the female. Male : length about 26 ; 

 wing n^; tail about 5. Female: length 

 about 24; wing io|; tail 4^. In both 

 sexes, the bill is vermilion or deep red, 

 with the nail blackish. The irides vary 

 from brown to deep red. The legs and 

 feet are red. Weight up to 3^ Ib. 



VOL. ii. 26 



