566 



BRITISH BIRDS. 



The females may be distinguished as follows : 



A. Axillaries white. 

 RED-CRESTED POCHARD. 



More or less white vermi- i P OCH ARD 

 eolations on back and sea- < 

 pulars I SCAUP "j 



Head and neck dull chest- i 



nut, and under tail-coverts ( WHITE-EYED POCHARD . . r Wnite alar speculum, 

 white ) 



TUFTED DUCK 



J 



B. Axillaries brown. 



A white patch on the ear- I BUFFEL-HEADED DUCK . .^i 



coverts I 



GOLDEN-EYE ^White alar speculum. 



Dark brown under tail-co verts. < 



VELVET SCOTER 



SCOTER 



SURF-SCOTER 



..HARLEQUIN. 

 LONG-TAILED DUCK. 



[more. 



Bare part of culmen 1| in. or 

 r Frontal feathers extending 

 -! nearly an inch beyond 

 { feathers at side of bill. 



