062 



THOOPTElir?. 



24. THOOPTERUS, Mafschie. 



C'l/iioiJievus (pt,), Dobson, Cat. Chir. 13. M. p. SO. 



Type. 

 1899. Thoopterus, Matsche, Rlegachir. pp. 72, 77 .... Th. nigresceiis. 



Cynopterus (pt., nee F. Cui>.), Gray, Cat. Monk. ^-c. p. 121 (1870 : 

 = Vynopterus-{- Thoopterus^ Myonycteris) ; Dobson, Cat. Chir. 

 B. M. p. 80 (genus), p. 81 {sn\)^.—-Cy7iopterus-\-Chirona.v-\- 

 Thoopterm) (1878). 



Thoopterus (pt.), Matschie, I. s. c. (1899: subg. of Cynojjterus — 

 Thoopterus-^-Chirottax-^-Sjiharias) ; Miller, Fam. Sf Gen, Bats, 

 p. 60 (1907: gen\xs= Thoopterus-}- Dyacopterus). 



Diagnosis. — Cynopterine group. No postorbital foramina ; 

 incisora ~-^, upper canine grooved, cheek-teeth t, 'p^ and m, 

 extremely broad, quadrate, witli large surface cusps, and the inner 

 ridge quite obsolete. Tail rudimentary, membranes from second 

 toe. Forearm about 73 mm. [One species. Hub. Moluccas and 

 Celebes.] 



Skull (fig. 5G). — General shape as in Cynopterus. llostrum 

 unmodified; premaxillse slender, tapering above, in simple contact 



Fig. 66. — Thoopterus nigresceiis, $, tyjie of species. }. 



anteriorly ; row of upper incisors in sharp profile of rostrum (one 

 canine covering the other) partly hidden between canines. Pront 

 of orbit above back of p^ ; maxillary tooth-row not extending 

 beyond ventra,l margin of orbit. Postorbital foramina entirely 

 absent. Zygomata thin, not more divergent posteriorly than in 

 Cynopterus; sagittal crest fully developed, but low. (Posterior 

 portion of skull unknown.) 



