AS A SPECIES 



143 



F:g. 19. Siberian Reindeer (Rangifer Teyandiis, Heim). 

 Fig. 20. Greenland Caribou (Rangifer Groenlandicus, Gmel.). 

 Fig. 21. Barren Ground Caribou {Rangifer Arcticus, Rich.). 

 Fig. 22. Grant's Caribou (Rangifer Granti, Allen). Alaska Peninsula. 

 {From Aladison Grant's Article in New York Zoological Society's Report.) 



