1902.] Allen, A New Sheep from Kenai Peninsula. 



normally snow white at all seasons, aside from accidental 

 staining, leaves, however, little opportunity for very marked 

 differences in external features. While examples from widely 

 distant localities, taken in summer pelage, may on compari- 



Fig. 2. Ovis dalli, $ ad., No. 16223, Rocky Mts., Lat. 66 30'. jj nat. size. 



son present marked differences in coloration, Mr. William T. 

 Hornaday has very conclusively shown ' that such differences 



1 Fifth Annual Report of the New York Zoological Society, June, 1901, pp. 81-91. 



