74 MAMMALIA. CHEIROPTERA. 



R. vulgaris, Horsf . Brown above, uniform gray beneath ; tail a little 

 longer than the leg ; upper nasal membrane transverse ; ears pa- 

 tulous, with a hairy lobule at the base ; spread of wings 12^ inches. 



R. deformis, Horsf. Brown above, gray underneath ; skull elon- 

 gated and depressed ; upper nasal membrane transverse ; large, 

 erect, approximate ears. Spread of wings 1 2 inches. 



R. insignis, Horsf. Dark brown above ; tail a little longer than 

 the legs ; an elongated frontal sinus ; mouth contracted, ascend- 

 ing transversely ; ears large and patulous, with the extremity cir- 

 cular. This and the six preceding species inhabit Java. 



Gen. 39. NYCTERJS, Geoff. Cuv. Vespertilio, Lin. 



Incisors |, canines \-\, molars - = 30. Superior incisors 

 bilobed, very small, contiguous ; inferior trilobed; molars with 

 pointed tubercles ; a deep longitudinal furrow on the fore- 

 head ; nostrils covered each by a moveable operculum ; inter- 

 femoral membrane large, and comprising the tail, which is ter- 

 minated by a bifurcated cartilage in form of a T. 



N. Geoffroyi, Desm. Ears very large; tragus spiral; under lip 

 with a large wart at its extremity, between two elongated cushions 

 in the form of the letter V ; fur of gray brown above, lighter 

 gray below. Nearly two inches long ; spread of the wings nine 

 inches. Senegal, c. in Africa Geoff. Egypt, ii. pi. 1. fig. 2. 



N. Daubentonii, Geoff. Desm. ( Vespertilio hispidus, Gmel.) Ears pretty 

 large ; tragus very small ; inferior lip simple ; fur of a reddish 

 brown above, yellowish white below. About 1| inch long; spread 

 of the wings about seven inches. Buff. x. pi. 20. fig. 1, 2. 



N. Javanicus, Geoff. Desm. Fur of a bright red on the upper parts 

 of the body, of a reddish ash-colour upon the inferior. About 

 2 2 inches long Inhabits Java. 



Gen. 40. RHINOPOMA, Geoff. 



Incisors f , canines -4, molars f-f , 28. Inferior incisors 

 separated ; nose long, conical ; truncated at the extremity, 

 and surmounted by a little leaf; nasal openings narrow, 

 transverse and operculated ; forehead concave ; ears large, 

 united, and lying on the face ; interfemoral membrane nar- 

 row and truncated ; tail long, enveloped only at its origin. 



R. microphylla,~Desm.('Fesp.microphyftus,'Brumch.) Fur ash-colour- 

 ed ; tail very long and slender ; nostrils with a valve as in seals. 

 Two inches long; spread of the wings seven inches. Egypt. 



R. Caroliniensis, Geoff. Desm. Fur brown ; tail long, and pretty 

 thick. About two inches long, spread of the wings eight inches. 

 Inhabits South Carolina. 



Gen. 41. TAPHOZOUS, Geoff. Desm. Vespertilio, Schreb. 

 Incisors f , canines J-, molars f-|, = 26. A furrow on the 



