66 



VESPERTTLIONIIXE. 



the tibia, leaving the foot free, a character which at once 

 distinguishes it from all other British species of the 

 genus Vespertilio as restricted in this work. Inter femoral 

 membrane ample; the transverse lines, as in V. mysta- 

 cinns, very numerous. Fur soft, plentiful, brownish 

 black at the base; the surface reddish brown above, 

 sometimes dark brown and occasionally dark greyish 

 brown, ash-grey beneath : younger individuals are usually 

 darker, sometimes almost black. Membranes dusky, 

 with a reddish tinge ; the interfemoral whitish beneath. 

 Dimensions : 



Length of the head and body 



,, of the head . 



,, of the tail 



,. of the ear 

 Breadth of the ear . 

 Length of the tragus 



,, of the fore -arm 

 Extent of the wings . 



Dentition : 



Inch. Lines. 

 , 2 



7 

 6 

 6 

 31 



24 



4 







I. j : C. \ : F.M.J : M. = 



