U. S. NATIONAL MUSEUM 



BULLETIN 126 PL. 45 



W* '^. '"•*>- .■^4,-^ 





*ity/y ■#^--'^ 



One luontli o)d. 



II. K. Jol) 



Adult male in eclipse, 



Lesser Scaup Duck. 



For description see page 246,' 



A. A. Allen. 



