230 SCAUP DUCK. 



forehead. The upper parts in general are brownish-black, the middle of 

 the back and the scapulars undulated with whitish dots and bars. The 

 primary quills are greyish in the middle, and the speculum is white, but 

 of less extent than in the male. The greater part of the breast and ab- 

 domen is white ; the sides and parts under the tail umber brown. 

 Length 16| inches, extent of wings 28. Weight 1 lb. 6 oz. 



The males, as has been said, vary greatly in size, but in adult speci- 

 mens there is little difference in colouring. The birds figured in my Il- 

 lustrations, and described above, were from the Mississippi ; but others 

 seen in various parts presented no such differences as to indicate perma- 

 nent varieties. 



