644 



PTF.NOf'niRrS. 



■princeps (even placed bide by side the skulls of C. prwceps and 



IH.jagori are difficult to distinguish from each other, apart from 



dental differences of course), llostrum short and broad, orbit to 



nares less than one-fourth of total length of skull. Premaxillce in 



simple contact anteriorly, alveolar branches a little heavier than in 



Cynopteriis. Postorhital foramina large (compare Fenthetor, p. 6G7). 



Mandible deep posteriorly, coronoid height much more than length 



of c-m^ (as in C. princeps). 



i^ i^ c i>' i)^ n* m' 



Dentition (fig. 51). -. '-!--' X 2 = 28. 



I2 c Pi Pa P4 m, m, 



i' with narrowly chisel-shaped crown (very different from per- 

 fectly styliform i' of Fenthetor), cutting-edge in front view flatly 

 rounded off (not needle-sharp, nor triangularly pointed) ; i'^ only 

 half the height of i', but essentially similar in general shape, 

 i, entirely absent; i^ with distinctly bilobed cutting-edge. Upper 

 canine with a Avell- marked secondary cusp at middle of inner 

 edge, produced by a prolongation of cingulum (in one of the skulls 

 examined, n. 5102, a distinct trace of a secondar)- cusp on external 

 edge of canine, below middle of crown) ; a rather deep vertical 

 groove on antero-medial surface of upper canine, not extending to 

 tip nor quite to base of crown. Lower canine Cynopterine, with 

 a small and somewhat ill-deHned cingulum cusp on inner edge at 

 level of tip of lower incisor. Premolars and molars, tooth for 

 tooth, quite similar in outline to those of Vynopterus princeps {xery 

 different from broadened cheek-teeth of '1 hoopierus and Fenthetor, 

 compare particularly p^ and mj of those genera); m^ in type skull 

 of Ft. jay or i with a small, in skull 5102 without trace of, surface 

 cusp. 



Fahite-rvJges (fig. 51). — As in Cynopterus (tig. 50, p. 591). 



External characters. — Not differing in any important point from 

 those of Cynopterus. Antitragal lobe obsolescent ; no white edg- 

 ings to ears. Tail about half the length of hind foot with claws, 

 connected with interfemoral by its dorsal integument, tip freely 

 projecting. Calcar between one-half and one-third of hind foot 

 with claws. Membranes inserted on first phalanx of first toe. 

 Wing-indices (upper row in table below, calculated from three 

 specimens) practically similar to those of Cynopterus (lower row). 

 Neck-tufts (ruff) well-developed (present even in single female 

 examined). 



Affinities. — Ptenochirus is undoubtedly the Pbili]i])ine repre- 



