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



PLATE 31 



B 



WOOD RATS. 



A, Brown-footed wood rat at Lagunitas, Calif., captive photographed in glass box; B, the little round- 

 tailed Nevada wood rat comes into southeastern Oregon in some of the lowest and hottest valleys, where 

 it builds stick houses in the sagebrush or among the rocks. 



