Much new and definite information was thus secured in reference to the Wood 

 Bison and the Musk-ox, both of which are rapidly declining in numbers, and 

 becoming each year more and more restricted in their ranges. Our exact knowl- 

 edge of the ranges of both the White and the Black Bighorn Sheep was also 

 greatly extended, and a new form of the latter was discovered which still awaits 



Fig. 7. ALASKA MOOSE (Alces gigas). 



From a mounted specimen in the Museum, collected by Mr. Stone on the Kenai Peninsula, 

 in September, 1900. 



description, the White Sheep of the Nahanna Mountains and the extreme north- 

 ern part of the Rockies proving to be not the true Ovis dalli, as, until recently, 

 supposed. Of this new form ' the only specimens extant in an}' museum are 

 those in this Museum, collected by Mr. Stone in 1898. 



The ranges of the different forms of the Caribou group were also outlined in 

 considerable detail. He says, in speaking of these animals in his paper published 



1 Soon to be described by Mr. Wilfred H. Osgood of the U. S. Biological Survey, who has in hand a criti- 

 cal revision of the forms of Ovis inhabiting northern British Columbia, the Northwest Territory, and Alaska. 



6 



