502 



HvrsiGNATnus. 



with two pairs of pharyngeal air-sacs and a paired maxillary air- 

 sac ; no shoulder-tufts in either sex. Size large: forearmllS- 

 137 mm. (One species. Range, the western Ethiopian forest 

 region.) 



Fig. 33. — Hypsignathus movfiroins. (^ . Eenito Eiver, Spanish Guinea. 

 No. 98.10.7.2. \. 



Sl-ull (fi<r. 33). — llostrnm of adult males highly peculiar {'^SjjJiyro- 

 cephahis" Hammer-headed Bat), long and excessively deep {'■'■IJypsi- 

 f/naihus," with deep jaws), broad across alveolar margins, strongly 

 compressed laterally (a large air-sac present on either side of 

 rostrum), dorsal and ventral profiles subparallel ; length from front 



