194 — 



HIPPOSIDEROS CURTUS sp. nov. 



Type. — A female in alcohol, 19305, Muséum of Comparative 

 Zoôlogv, from Sakbayeme, Cameroons. Rev. George Schwab, 

 collector, 1920. 



Description. — A small species, about the size of H. beatus; 

 female without the frontal glandular sac ; tail very short, barely 

 exceeding the exte. ded fémur; wings from the distal end of tibia; 

 calcar short, about ne half the length of tibia; thumb markedlv 

 small and weak as ce trasted with H. beatus and H . caffer gui- 

 neensis; forearm about : . in the latter but wings shorter, the com- 

 bined length of metacarpal III and its proximal phalanx exceeding 

 the forearm measurement by only i mm. as against 6 mm. in the 

 two other species; metacarpals III and V subequal, IV a trille 

 longer, whereas in the two contrasted species metacarpals III and 

 IV are about equal, the fifth shorter. Ears^ noticeably larger than 

 in either H. beatus or H. caifer guineensis\ tibia longer than in 

 the former but shorter than in the latter. 



The noseleaf is essentiallv similar in H . beatus and H . caffer^ 

 but in the new species is of a very différent appearance. The horse- 

 shoe is noticeably broader and thicker, with a slight médian emar- 

 gination anteriorly, the edges of which are a trifle upturned; the 

 small cushion-like expansion of the nasal septum, nearlv obsolète 

 in the two other species, is hère considerably developed, and, with 

 the small projections at the outer border of the nasal openings, 

 forms a partial roof over the nares. 



The erect « sella » is slightlv thickened, densely covered with 

 short stiff hairs, more as in H. beatus rather than nearlv naked 

 as in H. caffer. The posterior crescent is simple and evenlv 

 convex in outline, and is divided bv three vertical ridges on its 

 anterior face. There are two latéral accessory leaflets at each side 

 of the horseshoe, but thèse are very small and poorlv developed. 



