Smithsonian Report, 1917. — Secretary's Report. 



Plate 2. 



Fig. 1 .—Hippopotamus and Young ( Born in National Zoological Park, May 23, 1 91 7). 



Fig. 2— Rocky Mountain Sheep Received at the National Zoological Park, 

 March 7, 1917, from Rocky Mountains Park, Banff, Alberta, Canada. 



