250 
ZOOLOGICAL GEOGRAPHY. 
[part III, 
Order, Family, and 
Genus. 
j. 
O 9 
it 
DO 
Range within the Region. 
Range beyond the Region. 
Otidibje. 
Otis 
2 
W. Europe to Mongolia, N. Africa 
ANSERES, 
Anatidjb. 
Aix 
1 
N. China to Am oor 
N. America 
Hueephala 
3 
Iceland, N. Europe, and Asia 
N. America 
Histrionicus ... 
1 
Iceland, N. Siberia 
N. America 
Harelda 
1 
North of whole region 
North of whole region 
Arctic America 
Somateria 
3 
N. America 
CEdemia 
3 
N orth of whole region 
N. America 
LARIDjE. 
Rissa 
1 
North coasts of whole region 
N. America 
COLTMBIDJB, 
Colymbus 
3 
North of whole region 
N. America 
Algid.®. 
A lea 
2 
North coasts of whole region 
N. America 
Fratercula ... j 
3 
N orth coasts of whole region 
N. America 
TJria 
3 
North coasts of whole region 
N. America 
Mergulua 
1 
Iceland and Arctic coasts 
Arctic America 
