3 1 Mr. Gray un the Natural Anangemc7it 



23. Harpy A, ////«?• — Index-finger clawless. Head short; 

 membranes of the wing aiising from the dorsal line: con- 

 taining part of Cephalotes and Ptcropus of GeofFroy. 



The genera of these animals being almost proverbially 

 difficult to distinguish, I have been induced to draw up 

 the following Tables, in the hope of facilitating the 

 inquiries of the Zoological student. 



1 . Intcrfemoral membrane large, extended. Tail, none. 6. Mcgnderma. 



2. Interfemoi'al membrane large, extended. Tail formed of two bony 



valves 14. Diclidurits. 



3. Intcrfemoral membrane large, extended. Tail only half as long as the 



membrane, and more or less attached to it. 



Nose complicated 5. Mormoops. 



Nose simple. 



Tail soldered to the membranes. 



Ears distant 12. Furia. 



close together 20. ^Uo. 



Tail end free above the membranes. 



Head long, acute 13. Proboscidea. 



conical, blunt. 



Forehead simple 15. Koctilio. 



pierced 1 G. Taphagous. 



4. Interfemoral membrane large, extended. Tail as long as the membrane, 



and attached to it. 

 Nose with leaves. 



Ears simple 1 . Rhinolophus. 



— — united. 



Tail end conical 1. Ni/cfopMlus. 



forked 8. Nycterk^ 



Nose simple. 



Ears simple 11. Vesperlilio. 



united. 



Forehead hairy 18. Plecotus. 



? •^— ^— naked 9. Barbastellus. 



5. Interfemoral membrane short, tail more or less long, attached at the 



base to the membrane, and extended beyond it. 



Nose leafed, forehead pitted 4. Rhinopoma. 



simple. 



Ears distinct. 



Great toe ? 19. Myoptn-is. 



large, opposible 17- Chciromdcs. 



Ears close together, drooping 18. Di/sopcs. 



Interfemoral membrane none or very small. Tail none, or very short 

 and free. 

 Nose leaved. 



Lips fringed. Tongue short 3. r/n/llostoma. 



not fringed. long 3. Glossophaga. 



Nose simple. 



Index-finger clawed. 



Head conical 21 . Ptcrojms. 



very long 22. Macr(>p,lossi'.s. 



Index-finger clawless 23. Harpya. 



In 



