THE DEER OF THE PEKING PARKS 279 
are really Old World forms, whose entrance into America 
is apparently a comparatively recent event. Probably both 
the mi-lou and the American deer are the descendants of 
an extinct group, with antlers of the same general type, 
which flourished in Europe during the later portion of 
the Tertiary epoch. The greater the pity that such an 
ancient and remarkable type as the former should be on 
the point of extermination ! 
