No. 30. 



Oidemia americana. 



Adult male. Plumage black throughout, or practically so, 

 the upper parts glossy and slightly iridescent, the lower parts 

 having a more or less brownish cast. Bill (its upper division) 

 without noticeable encroachment of feathers, but with hump as 



.^-r^v-; v>- - '- ■ "■ -- 



No. 30. Adult Male. 



shown in picture, and large patch of orange changing to yellow 

 above ; this patch extending from base to front of nostrils and 

 including hump ; remainder of bill uniformly blackish, as are 

 legs and feet. 



