Explanation of Plate I. 



Fig. 1. Front view of head of M(tcr(>ttin (■alifontieiix. 



Fk;. 2. Side view of same. 



Fk;. 3. View of tragus and inner surface of auricle. 



Fici. 4. The wing membrane of same. 



Fi(i. .'). The tail and interfemoral membi'ane. 



Fig. 6. The skull seeu from above, x 2. 



I-^IG. 7. The skull and lower jaw seeu from the side, x 2. 



Fig. )S. The os petrosa. x 2. 



