100 MOUSE-COLOURED BAT. 



The face is aim >st entirely bare, having only a few 

 scattered hairs ; the forehead very hairy ; the nose 

 smooth, projecting beyond the lower lip ; the nostrils 

 open laterally, with prominent margins ; the upper 

 lip is pendent on each side, with the commissure a 

 little raised ; the eyes rather large, surmounted by 

 some blackish hairs ; the ears much inclined back- 

 wards, with the point directed forwards, bare, of an 

 ash-grey colour on their outer surface, tinged with 

 yellow on the inner, their margins simple and some- 

 what hairy ; the tragus falciform, with the outer 

 margin terminated by a small smooth lobe; the 

 mouth large ; the teeth very acute ; six grinders on 

 each side in both jaws ; the tongue having a scab- 

 rous protuberance at its base. The lower part of 

 the body is of a soiled white, inclining to yellowish ; 

 the hind head and back reddish-brown, as in Bech- 

 stein's Bat, the hairs being of a brownish-black at 

 the base ; the membranes brownish ; the colour of 

 the upper parts of the body, around the membrane 

 of the wings, darker in proportion to the age of the 

 animal. 



The measurements as given by Mr Jenyns are : 

 Length of the head and body three inches five lines ; 

 of the head eleven lines ; of the tail one inch eight 

 lines ; of the ears eleven lines and a half ; of the 

 tragus five lines ; of the thumb five lines ; extent of 

 wing fifteen inches. 



