UNIVERSITY OF CALIFORNIA PUBLICATIONS 



IN 



ZOOLOGY 



Vol. 21, No. 5, pp. 225-238, 1 text figure May 20, 1920 



A STUDY OF THE CALIFORNIA JUMPING 

 MICE OF THE GENUS ZAPUS 



BY 

 A. BRAZIER HOWELL 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY 



