North American Fauna No. 55. U. S. Dept of Agriculture, Biological Survey 



PLATE 17 



B17244; B17243; B4626M; B4C25M 



HEADS OF OLD RAMS OF THE RIMROCK SHEEP FROM EASTERN OREGON. 

 SHOWING TYPICAL Low WIDE HORNS. 



A, From Lava Caves west of Tule Lake, just below the California line; B, from Niggerrock Canyon, Mal- 

 heur County (south of Vale); C, from Hampton Butte, Crook County. 



