KEY TO LAND MAMMALS OF NORTHEASTERN NORTH AMERICA 65 



SYNOPSIS' 



Class MAMMALIA : mammals, p. 76 



Subclass METATHERIA : marsupials, p. 76 



Order MARSUPIALIA : marsupials, p. 77-78 



Suborder POLYPROTODONTIA : polyprotodont marsupials 



Family DIDELPHIDIDAE : opossums, p. 77-78 



Genus Didelphis Linnaeus: p. 78 



1 Didelphis virginiana Kerr: opossum, p. 78 



Represented by; 

 Didelphis virginiana virginiana Kerr: northeastern 



opossum, p. 78 

 Subclass EUTHERIA : placental mammals, p. 76 

 Order UNGULATA : hoofed mammals, p. 78 

 Suborder ARTIODACTYLA : even-toed hoofed mammals, 



p. 78 

 Family BOVIDAE : cattle, p. 79 

 Genus Bison Hamilton Smith: p. 79 



2 Bison bison (Linnaeus): American bison, p. 79 



Represented by : 

 Bison bison bison (Linnaeus): American plains bison, p. 79 

 Family CERVIDAE: deer, p. 79 

 Genus Rangifer Hamilton Smith: p. 80 



3 Rangifer caribou (Gmelin): woodland caribou, p. 80 



4 Rangifer terraenovae Bangs: Newfoundland caribou, p. 81 



5 Rangifer arcticus (Richardson) : barren ground caribou, p. 81 



Genus Alces Jardine: p. 81 



6 Alces americanus Jardine: eastern moose, p. 81 



Genus Cervus Linnaeus : p. 82 



7 Cervus canadensis (Erxleben) : east American wapiti, p. 82 



Genus Odocoileus Rafinesque: p. 82 



8 Odocoileus americanus (Erxleben) : Virginia deer, p. 82 



Represented by : 

 Odocoileus americanus americanus (Erxleben): 



southern Virginia deer, p. 83 

 Odocoileus americanus borealis Miller : northern 



Virginia deer, p. 83 



1 The arrangement ot the higher groups Is that adopted by Flower and Lydekker. 



