﻿U. S. DEPARTMENT OF AGRICULTURE 

 DIVISION OF BIOLOGICAL SURVEY 



NORTH AMERICAN FAUNA 



^o. 13 



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



REVISION OF THE NORTH AMERICAN BATS OF THE 

 FAMILY VESPERTILI0N1I).E 



BY 



GERRIT S. MILLER, Jr. 



Prepared uuder the direction of 



Dp. C. hart MERRIAM 

 CHIEF OK DIVISIOI!^ OF BIOLOGICAL SUliVEY 



GOVERNMENT PRINTING OFFICE 

 1897 



