1866.] DR. J. E. GRAY ON THE PHYLLOSTOM IDJE. 113 



A. Nose-leaf produced behind, entire; interfemoral membrane ivell 

 developed. Tail distinct (except in Rhinops). 



a. Front plate of the nose-leaf with an elevated edge and a central 

 process in front ; lower lip with two small triangular warts. 



Tribe 1. Lonchorhinina. 



1. Lonchorhina. Tail elongated to the end of the produced 

 conical interfemoral membrane. False grinders 2/2. L. aurita. 



b. Front of the nose -leaf simple, with a thin flat front margin more 



or less closely applied to the surface of the nose. 



u. Wings narrow behind, from the knee to the ankle. 



Tribe 2. Macro phyllina. Tail elongate to the end of the very 

 long truncated interfemoral membrane. 



2. Macrophyllum. Chin with warts. Cutting-teeth 4/4 ; 

 false grinders 2/2. End of nose hairy. M. neuwiedii. 



(1. Wings broad behind, extending to the feet. 



Tribe 3. Vampyrina. Lower lip slightly notched. Chin with two 

 triangular warts in front. Nose hairy, with porous tubercles. 



* Tail none; interfemoral membrane very long, truncated. Nose 

 and chin only slightly hairy, with scattered glands ; nose-leaf 

 subtridentate at the tip. 



3. Vampyrtjs. The nose-leaf free in front. Wings to the base 

 of the toes. False grinders 2/3. V. spectrum. 



** Tail short ; ending on upper surface of the large truncated inter- 

 femoral membrane. 



■f Wings from the base of the toes. 



4. Chrotopterus. Ears very large. Cutting-teeth 4/2 ; false 

 grinders 2/3. C. auritus. 



ff Wings from the ankles. Lower cutting-teeth 2, with a groove 



in front. 



5. Lophostoma. Ears large. Cutting-teeth 4/2 ; false grinders 

 _' .i. L. bidens. 



6. Micronycteris. Ears long, rounded. Nose-leaf moderate. 

 Cutting-teeth 4/4 ; lower small, equal. Heel-bone long. Premolars 

 2/3. Chin-wart elongate, longer than broad. M. megalotis. 



7. Mimon. Ears large. Nose-leaf very long. Cutting-teeth 

 4/2 ; lower with longitudinal grooves in front ; false grinders 2/2. 

 Chin-wart short, broad, transverse. M. bennettii. 



Proc. Zool. Soc— 1866, No. VIII. 



