THE FAMILIES AND GENERA OP BATS. 



49 



deflected, though placed at a slight angle with palate. Occipital 

 region without trace of tubular elongation. Alveolar line projected 

 backward barely touches audital bulla and occipital condyle. Ros- 

 trum short (least distance from orbit to nares less than lachrymal 

 width), its dorsal profile slightly concave. Premaxillaries in con- 

 tact anteriorly, but not fused, slender throughout, and tapering 

 above, to a recurved point 

 distinctly below upper 

 rim of nares. Palate nor- 

 mal. Audital bullae well 

 developed, but without 

 tube or lip at meatus. 

 Mandible with broad low 

 angular process. Exter- 

 nal form short and heavy. 

 Nostrils very prominent, 

 almost tubular. Upper 

 lip divided by a deep nar- 

 row vertical groove. Sec- 

 ond finger with well-de- 

 veloped claw. Wings 

 from sides of back. Tail 

 distinct, its terminal half 

 free from the interfemo-. 

 ral membrane. Calcar 

 weak, its length about 

 equal to breadth of foot. 

 Species examined, — Gy- 

 nopterus sphinx (Vahl), 

 G. angulatus Miller, C. 

 montanoi Robin, C. tii- 

 thcecheilus Temminck, C. sp. (Celebes), G. scherzeri (Zelebor), G. 

 melanocephalus (Temminck), C. major Miller, C. pagensis Miller, C. 

 brachyotis (Miiller). 



Fig. 6.— Cynopterus Montanoi. 

 pore, Malay Peninsula. 



Adult Female. Singa- 

 No. 102432. xl}. 



Genus NIADIUS Miller. 



1900. Xiadius Miller, Proc. Biol. Soc. Washington, XIX, p. 83, June 4, 1906. 



Type-species. — Cynopterus princeps Miller. 



Geographic distribution. — Nias Island, off west coast of Sumatra. 

 Number of forms. — The type is the only species known. 

 Characters. — Like Cynopterus,- but with the larger cheek teeth 

 broader and more squarish in outline; crown of £>m 4 .and m 1 with 

 25733— No. 57—07 m 4 



