212 



OHIEOPTBKA 



bats. Superficially it may be distinguished from the almost 

 equally small Myotis mystacinus by its smaller ears and shorter 

 legs ; but for positive discrimination from the members of the 

 genus Pipistrellus recourse to the more technical characters of 

 skull and teeth is necessary. On superficial examination it 

 may usually be recognized among its congeners by its small size, 

 and by the shortness of the fifth finger. 



