28 
NEW YORK ZOOLOGICAL SOCIETY. 
DERIVATION OF NORTH AMERICAN MAMMALS. 
DIDELPHIDAE: 
Didelphys , Opossum 
MARSUPIALS. 
North American, of great antiquity. 
DASYPODIDAE: 
Cabassous, Armadillo 
EDENTATES. 
ERITHIZ ON TIDAE: RODENTS. 
Porcupines 
HAPLODONTIDAE: 
Sewellel , 
GEOMYIDAE: 
Pouched Rats, 
Other Families 
South American. 
South American. 
North American. 
Eurasiatic or Cosmopolitan. 
BOVIDAE: UNGULATES. 
Ovibos, Musk-Ox, 
Bison , Buffalo, 
Ovis, Mountain Sheep, 
Oreamnos, Mountain Goat, 
CERVIDAE: 
Alces, Moose, ) 
Rangifer, Caribou, ) 
Cervus, Wapiti 
Odocoileus, American Deer. 
Eurasiatic, possibly of remote African 
origin. 
Boreal or Eurasiatic. 
Eurasiatic. 
. . . .North American. 
ANTILO CA PRIDAE : 
Antilocapra, Prong-Horn. 
DICOTYLIDAE: 
Dicotyles, Peccary 
North American. 
North American. 
U RSI DAE: 
Ursus — Black Bear Group, ‘'I 
Grizzly Bear Group, j- 
Brown Bear Group, J 
CARNIVORES. 
Eurasiatic, probably arriving in the 
order named. 
MUSTELIDAE: 
Taxidea, Badger, 1 
• 
Gulo } Wolverine, ' 
Mustela, Marten, 
Putorius, Mink, 
Lutra, Otter, i 
Latax, Sea Otter, , 
PROCYONIDAE: 
Bassariscus, Cacomistle, 
Procyon, Raccoon, 
Nasua, Coati Mundi, 
CAN I DAE: 
Urocyon, Grey Fox. . . . 
Canis, Wolf, { 
Vulpes , Fox, \ 
FELIDAE : 
Lynx, Lynx 
Felis, Puma 
North American. 
Eurasiatic. 
North American. 
North American, doubtfully. 
Eurasiatic. 
Eurasiatic. 
Eurasiatic, probably. 
