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



PLATE 8 



B 16300; B 16330 A 



, Typical rimrock valley, White Horse Creek, southeastern Oregon (photograph by Edward A. Preble, 

 June 17, 1915); B, camp of Biological Survey collector (Mr. Preble), in southeastern Oregon, under the 

 junipers, where even a little shade is grateful. 



