INDEX. 



Anas Canadensis, Canada Goose - - 222 



Anas Anser, Grey-lag Goose - - 236 



Anas Bernicla, Brent Goose - - 232 



Anas Clypeata, Shoveler Duck - - 223 



Anas Strepera, Gadwall Duck - - 225 



Anas Sponsa, Summer Duck - - - 221 



Anas Albeola, Spectre Duck - - 226 



Vol. X. 



