NORTH AMERICA AND THE WEST INDIES 



321 



grayish white areas of the males replaced by nearly pure 

 white." The distinction between the two "species" seems to 

 be that in R. montanus the size is somewhat less in skull and 

 teeth, with shorter beams to the antlers and a more exuberant 

 development of tines ; whereas fortidens is said to be largest of 

 the caribou with less branching and less shortened antlers. 

 No doubt both should eventually be regarded as races of R. 

 caribou. 



The range of the more southern montanus was the Selkirk 

 and Gold (or Columbia) Ranges and doubtless the adjacent 

 country, southward to the northern border of Washington. 



Newfoundland caribou (Rangifer terraenovae) 



