PIPISTRELLUS 



lOI 



perceptible, and the auditory bullae are more prominent than 

 in Myotis, less so than in Barbastella. 



Fig. 8. — Side View (diagrammatic and enlarged) OF SKULLS AND Teeth of 



I. Pipistrellus pipistrellus. 

 ■i. Myotis dcuhentoni. 

 3, M. mystacinus. 



4. PUcotus auritus, 



5- Barbastella barhastellus. 



6. Rhinolophus hipposideros. 



The teeth are similar in number and arrangement to those 

 of Nyctahis, but the inner upper incisor is both more bicuspid 



