354 



EMBALlONtTRIDJS. 



Synopsis of Groups and Genera. 



I, Tail shorter tlian the large interfemoral 

 membrane ; index finger formed by the 

 metacarpal alone. 

 A. First phalanx of the middle finger 

 folded (in repose) on the dorsal sur- 

 face of the metacarpal bone. 

 rti Tail terminating in the interfemoral 

 membrane. 

 a' . Crown of the head greatly elevated 

 above the face-line ; thumb and 

 first phalanx of the middle finger 



very short; inc. -g-, pm. g^^ . . Group FURI^. 

 a". Nasal apertures oval, close toge- 

 ther in front ; bony palate not 

 produced bacWards behind the 



last molar 1. Furia, p. 356. 



h". Nasal apertures triangular, 

 widely separated ; bony palate 

 produced as far back as the 



middle of the zygomatic arches. 2. Amorphochilus, p. .357, 

 h. Tail perforating the centre of the large 

 interfemoral membrane, and appear- 

 ing upon its upper surface. 

 h'. Part of the tail included in the 

 basal half of the interfemoral 

 membrane, which it perforates 

 simply. 

 h". Crown of the head slightly ele- 

 vated above the face -line ; 

 thumb and first phalanx of the 

 middle finger moderately long; 



premolars ^ Gi-ou^j EMBALLONUR^. 



b"'. Lower incisors 6 ; premaxil- 

 laries osseous ; upper incisors 

 persistent. 

 u. No pouch in the antebra- 

 chial membrane. 

 a'. Upper incisors 2 — 2. 

 a" Extremityof the muz- 

 zle more or less pro- 

 duced beyond the 

 lower lip ; forehead 



flat 3. Emballonuea, p. 359. 



/3'. Upper incisors 1 — 1, 

 ^ " . Extremity of the muz- 

 zle broad, slightly 

 produced beyond the 

 lower lip ; forehead 



concave 4. Coleuha, p. 364. 



y". Extremityof the muz- 

 zle narrow, much pro- 

 duced beyond the 



lower Up ; forehead fp. 366. 



flat 5. Rhynchonyctebis, 



