U. S. DEPARTMENT OE AGRICUfcftfkE 

 DIVISION OF BIOLOGICAL SURVEY .. 3 ' 





NORTH 



ISTo. 15 



[Actual date of publication, August S, 1899] 



REVISION OF THE JUMPING MICE OF THE GENUS ZAPUS 



EDWARD A. PREBLE 

 ASSISTANT IN BIOLOGICAL SURVEY 



Prepared under the _ direction of 



Dr. C. HART MERRIAM 

 CHIEF OF DIVISION OF BIOLOGICAL SURVEY 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 

 1899 



