148 SUMMARY. 
Anser ferus, Gmel. 
»  segetum, Gmel. 
,, albifrons, Gmel. 
,, leucopsis, Bechst. 
, brachyrhynchus, Bazil. 
»  bernicla, Lizz. 
,, canadensis, L272. 
Tadorna vulpanser, lem. 
Anas boschas, £2272. 
,, strepera, Lzzz. 
,, Clypeata, £z22. 
}, (eetieas | eer: 
,, penelope, L277. 
Querquedula crecca, L277. 
rf circia, Linz. 
Fuligula ferina, £277. 
Me marila, ZLznz 
re cristata, Leach. 
Clangula glaucion, Zz. 
Harelda glacialis, Lz. 
CHdemia nigra, Lz. 
Mergus albellus, Zz. 
\..( pserrator, £27277. 
5  merganser, £2772. 
Fam. COLYMBIDA. 
Colymbus glacialis, Zzzz. 
t arcticus, Lz. 
ei septentrionalis, Lz. 
