11. CHEIEOMELES, 405 



mopterus ; and the discovery of N. albiventer, Dobson (described fur- 

 ther on), adds another intermediate form*. 



11. CHEIEOMELES. 



Cheiromeles, Horsfidd, Zool. Researches in Java (1824) ; Temminck, 

 Monogr. Mammal, ii. p. 345 ; Dohson, Monogr. Asiat. Chiropt. 

 1876, p. 177 ; id. P. Z. S. 1876, p. 704. 



Ears separate, as in Tcijphozous ; extremity of the muzzle project- 

 ing considerably beyond the lower jaw ; lips smooth, not grooved by 

 vertical wrinkles ; first toe much larger than the others, and separ- 

 able from them. 



Dentition. Inc. |, c. ^J, pm. i^, m. ^• 



Premaxillary bones well developed, conjoined, supporting two 

 strong incisors. 



Range. Indo-Malayan Subregion. 



1. Cheiromeles torquatus. 



Cheiromeles torquatus, Horsfield, Zool. Hesearches in Java (1824). 

 Dysopes cheiropus, Temm. Monogr. 3fammal. i. p. 218, pi. xvii. 

 Cheiromeles caudatus, Temm. I. c. ii. p. 348, pi. Ixvi. 



Ears shorter than the head, triangular, with narrowly rounded 

 tips ; the inner margin of the ear-eonch papiUate along upper half 

 as in some species of Taphozous ; aiititragus distinct, rounded ; tragus 

 very small, the inner margin not developed, the outer with a small 

 projection near the base. Muzzle long, obliquely truncated, the 

 extremity projecting very considerably beyond the lower jaw. An 

 enormous gular sac extends round half the neck beneath. Into this 

 sack the oily secretion of glands situated between the internal ori- 

 gins of the pectoral muscles is discharged, in males by a series of 



* The following is a synopsis of the characters of these subgenera : — 



G-en. MoLOSSUs. 



a. Ears more or less united. 



2 2 



a'. Premolars |— 2 ; upper incisors with diverging 



summits, and with their broad bases close to 



the canines Promops, Gervais. 



b'. Premolars siroi upper incisors paY-allel by 

 their inner margins, their bases close to the 



canines Molosnus (GeoSt.), Ptrs. 



6. Ears distinctly separate ; upper incisors with 

 diverging summits, their bases removed from 

 the canines by a diastema Myopterus, G-eoffr. 



Gen. Nyctixomus. 



€1. Ears very close or united together ; upper lip 

 deeply grooved by vertical wrinkles ; premolars 



2^ Ni/ctino?uus{Cieoffv. ), Ptre. 



Ears distinctly separate; upper lip slightly 

 wrinkled; premolars ^—^ Mormopferua, Virs. 



