15 



noticed. He describes his specimen as chestnut. It is to be ob- 

 served that his figure is only one-tbird of the natūrai size of the 

 aniraal he described, although it is not noticed on the plate. 



,; 3^ Ametrida. 



Ch. gen. — MemUi^na interfemoraUs sublata, truncata. Ala a digi- 

 torum basi cx|fensse. Gruru nuda. Caput rotundum, rostrum per- 

 breve, dcpves^m, latunjl frons rotundata. Mentum triangulari 

 tuberculovum '^ole scabr^m. PoUex elongatus, articulo superiore 

 longo, attenua^, inferiorfe brevi. Dentes incisores f ; superiores 

 medii, elongatl; conici, acuti ; inferiores laterales, parvi, incisi. 

 Ch. gen. — Intetfemorąl membrana rather broad, truncated. Wings 

 from the base of the toes. Legs bald. Feet small. Tail none. 

 Head round ; muzzle very short, depressed, broad ; forehead rounded. 

 Ears moderate, lateral. Chin with a triangular group of tubercles 

 in front. Thumb elongated, the upper joint long, slender ; the lower 

 short. Cutting teeth ^ ; the upper middle elongated, conical, acute ; 

 lateral and lower small, notched. 

 A. centurio, Epauletted Ametrida. 



Ch. sp. — Sooty-brown ; forehead, chin, and a spot on each shoulder 

 at the base of the -vving white. Heel-bone one-third the length of 

 the shin. Arm-bones 11 lines. Ears moderate, rounded at the end, 

 rather arched out at the sides. Tragus moderate, denticulate at the 

 tip and outer side. Nose-leaf ovate, lanceolate. 



Hab. Brazils, Para. Collected by Mr. J. P. G. Smith. 



4. Nicon, 



Ck. gen.-^Mėmhrana ihterfemoralis distincta, brevis, angulariter ittse- 

 cata. Alce ab summo talo tensse. Pedes elongati, liberi. Os calcis 

 brevis. Cauda perbrevis, inclusa, in media membrana interfemo- 

 rali superior. Mentum stria tuberculis parvis marginata insigne. 

 Pollex elongatus ; articulo superiore attenuato, inferiore incluso. 

 Dentes incisores f ; duo medii superiores largiores, truncati ; infe- 

 riores seriatira fornicati. 



Ch. gen. — Interfemoral membrane distinct, short, angularly cut 

 out. Wings from the upper part of the ankle. Feet elongate, free. 

 Heel-bone short. Tail very short, enclosed, superior in the middle 

 of the interfemoral. Ears lateral. Chin with a groove in front, 

 edged with small tubercles. Thumb elongate; upper joint thin, 

 longest ; lower enclosed. Cutting teeth f ; two middle Upper larger, 

 truncate ; lower in an arched continuous series. 



N. caudifer, Leach's Nicon = Glossophaga caudifer, Geoff. Mem. 

 Mus. iv. 418. t. 17 = Monophyllus Leachii, Gray, Zool. Sulph. 18. 

 Hab. Central America. 



The two following belong to the tribe of Horse-shoe Bats. RMno- 

 lophina ; — 



5. Aquias. 



Ch. gen. — Prosthema permagnum, complicatum, parte posteriore lan- 

 ceolate erecta, tribus magnis cellis utrinąue ; processus centralis 



