198 



CALIFORNIA FISH AND GAME 



Fia. 57. Mule deer have the largest ears of all North American deer. This 

 character which gives this deer its name, is especially prominent in females. 

 Yosemite, July 1, 1927. Mus. Vert. Zool. No. .5413. 



Fig. 5 8. Tlie large flexible ears are instantly adjusted to catch the slightest 

 sound coming from any direction. Yosemite, June 20, 1927. Mus. Vert. Zool. 

 No. 5414. 



