182 Bulletin Wisconsin Natural History Society. [Vol. 8, No. 4. 



the building on Dec. 3, 1894. This is the more interesting because 

 it is nearly the northmost record and the species is supposed to 

 be migratory". It will be noticed that the Museum's specimens 

 were taken at a date running from fifteen days later in December 

 up to as late as Feb. 6. indicating that a number of this bat re- 

 main and hibernate. 



