158 



Key to Plate No. 35 Plate No. 35 



DOWNY YOUNG OF THE DIVING DUCKS (continued) 



(A) EASTERN HARLEQUIN DUCK (Western Harlequin Duck, similar). 



(B) AMERICAN SCOTER. 



(C) SURF SCOTER. 



(D) WHITE- WINGED SCOTER. 



DOWNY YOUNG OF MERGANSERS AND OTHERS 



(E) RED-BREASTED MERGANSER, 



(F) AMERICAN MERGANSER. 



(G) HOODED MERGANSER. 



(H) BLACK-BELLIED TREE DUCK, 

 (J) FULVOUS TREE DUCK, 

 (K) RUDDY DUCK 



