No. 3O. 

 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 



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. 



