1866.] DR. J. E. GRAY ON THE PHYLLOSTOMIDjE. 11/ 



XX Upper cutting-teeth elongate, simple ; the upper jaw rather 

 flattened on the sides, converging in front ; upper grinders ob- 

 long, transverse, second larger than the first. Nasal bone very 

 narrow, having a central notch on upper part of nose. 



25. Chiroderma (Mimetops, Gray, MS.). C.vil/osum. C.pictum. 



tf The palate short, broad ; the hinder nasal opening before the 

 end of the tooth-line. Upper cutting-teeth bifid. Nasal bone 

 complete. Shoulders ivithout any white tuft. 



26. Ariteus. Front edge of the nose-leaf attached to the lip by 

 a narrow space in the middle ; greater part of the sides free. Lower 

 lip with a round tubercle above and two below it, forming a triangle, 

 and with a series of round tubercles along the outer edge of the lip ; 

 inner edge bearded. Wings from the base of the toes. Lower pha- 

 lange of the index-finger flattened, arched. Upper cutting-teetb 

 two-lobed. A. Jtavescens. 



ttt The palate very short, broad; the hinder nasal opening just 

 behind the tooth-line. Upper cutting-teeth conical, acute, iso- 

 lated. The foot rather more free from the wings. Shoulders 

 with white epaulets (over glandsl). 



27. Pygoderma. Lower lip with a transverse disk, and a central 

 tubercle edged by a series of round tubercles. Face of skull high. 

 Nasal opening oblong, large. P. leucomum. 



28. Ametrida. Lower lip triangular, high, with three tubercles 

 in a triangle edged with a series of very small round ones. Face of 

 skull depressed. A. centurio. 



** Wings from upper part of ankles. Interfemoral membrane small, 

 only margining the legs, hairy above. 



29. Sturnira. Front edge of nose-leaf attached to the lip by a 

 broad space in the middle, free on the sides. Lower lip with three 

 oblong warts in a broad triangle edged with warts on the sides. 

 Interfemoral membrane very narrow. Wings from the ankles ; 

 lower phalanges of index finger slender, cylindrical, straight. Legs 

 and feet hairy. S. lilium. 



Subsection 3. The head short, broad '; lips entire. Nose-leaf small, 

 bifid behind. The grinders small, rudimentary ; true grinders 

 1/2, compressed. Upper cutting-teeth 2, large, conical ; lower 

 separated into two groups, trifid. Cardiac end of the stomach 

 assuming the form of an elongated caecum. (See Huxley, 

 P. Z. S. 1865, p. 386.) 



Tribe 9. Desmodina. 



30. Desmodus. Lower lip with a triangular space with simple 

 sidrs. Nose-leaf small, bifid behind. D. rufus. 



