﻿U. S. DEPARTMENT OF AGRICULTURE 

 DIVISION OF BIOLOGICAL SURVEY 



NORTH AMERICAN FAUNA 



ISTo. 13 



[Actual date of publication, October 16, 1897.] 



REVISION OF THE NORTH AMERICAN BATS OF THE 

 FAMILY VESPERTILIONID.E 



BY 



GERRIT S. MILLER, Jr. 



Prepared under the direction of 

 Dr. C. HART MERRIAM 

 CHIEF OF DIVISION" OF BIOLOGICAL SURVEY 



G-OVERNMENT PRINTINa OFFICE 

 1897 



