22-i 



ANATID-E. 



In the female all the upper surface of the body is of a 

 uniform blackish-brown, the margins of the wing-coverts a 

 little lighter ; cheeks, and sides of the neck paler brown ; 

 lower part of the neck, the breast, abdomen, vent, and under 

 tail-coverts, dark brown ; legs and toes brown, tinged with 

 green ; the interdigital membrane almost black. 



Young birds of the year, at the approach of their first 

 winter, have the cheeks, chin, sides and front of the neck, 

 dull greyish- white, and the under surface of the body mottled 

 with white and brown. 



The trachea of the male Scoter differs from that of the 

 male of any other species among the Ducks, in having no 

 bony enlargement ; and differs from that of the female only 

 in having the principal tube, as well as the bronchial tubes, 

 rather larger. A portion of both are figured below. 



