250 
ZOOLOGICAL GEOGRAPHY. 
[PART III. 
Order, Family, and 
Genus 
No. of 
Species. 
Range within the Region. 
Range beyond the Region. 
OTIDIDA. 
Otis.. 2 | W. Europe to Mongolia, N. Africa 
ANSERES. 
ANATIDZ. 
pAtixe pases 1 | N. China to Amoor N. America 
Bucephala 3 | Iceland, N. Europe, and Asia | N. America 
Histrionicus ...| 1 | Iceland, N. Siberia N. America 
Harelda ... 1 | North of whole region Arctic America 
Somateria 3 | North of whole region N. America 
(Edemia... 3 | North of whole region N. America 
LARIDZ. 
Rissa... ... | 1 | North coasts of whole region N. America 
CoLYMBID. 
Colymbus_ ...| 3 | North of whole region N. America 
ALCIDZ. 
Alca 2 | North coasts of whole region N. America 
Fratercula 3 | North coasts of whole region N. America 
Write oe 3 | North coasts of whole region N. America 
Mergulus 1 | Iceland and Arctic coasts Arctic America 
