26!> 



FULVOUS TREE-DUCK. 

 Dendrocygna fulva. 



t^^23k 



BLACK DUCK. 

 Anas obscura. 



GADWALL: CRAY DUCK. 

 Chaulelasmus strepera, 



AMERICAN WIDGEON. 

 Mareca amcricana. 



GBEEN-WINGED TEAL. 

 N ettion carolincnsis. 



SCAUP DUCK. 

 Aythya mar-da. 



RING-NECKED DUCK. 

 Aythya collaris. 



BARROW S GOLDEN-EYE. 

 Clangula islandwa. 



OLD SQUAW. 

 Harelda hyemalis. 



HARLEQUIN DUCK. 

 Uistrionicus histrionicus. 



SURF SCOTER. 

 Oidcmia perspicillata. 



AMERICAN SCOTER. 

 Oidemia amcricana. 



