530 A COLLECTION OF FISHES FROM SUMATRA. 



SCI^NID/E. 



154. Otolithus argenteus Cuvier. 



155. SCI.ENA MACROPTERA (Bleeker). 



POLYNEMID-(E. 



156. PoLVDACTYLUs PFEiFFERi (Bleeker). Plate XVI, lower figure. 



GERRID-ffi. 



PERTICA subgen. nov. 

 Type Gerres filanientosiis Cuvier. 



Second dorsal spine longer than head. 



{Peritca, a pole; with reference to second dorsal spine.) 



157. Gerres filamentosus Cuvier. 



KYPHOSID.-E. 



158. Kyphosus lembus (Cuvier). 



MULLIDiE. 



159. Upeneoides sulfureus (Cuvier). 



160. Upeneoides moluccensis Bleeker. 



161. Upeneus malabaricus Cuvier. 



NANDIDiE. 



162. Pharoptervx corallicola (Bleeker). 



OSPHRONEMIDiE. 



163. OsPHRONEMUS GORAMY Lac^p^de. 



164. Trichopodus trichopterus (Pallas). 



ANABANTID.(E. 



165. Anabas scandens (Daldorff). 



OPHICEPHALID^, 



166. Ophicephalus spiritalis sp. nov. Plate IX, lower figure. 



Head 3 ; depth 51; D. 39 ; A. 28 ; P. i, 16 ; V. i, 5 ; 55 scales to base of cau- 

 dal in a lateral series; about 16 osseous scales before dorsal ; 5 scales between origin 

 of dorsal and lateral line, and 11 between latter and origin of ventral; width of 

 head 2 in its length ; depth of head 2,^ ; snout 5f ; eye 7^ ; mouth, from tip of 

 snout, 3-^; maxillary 2|-; mandible '^i^; interorbital space 4|-; pectoral 2; ventral 

 2|- ; caudal If ; least depth of caudal peduncle 2|-. 



Body moderately elongate, rather thick, greatest depth about outer portion of 

 ventral. Tail long, rather deep and compressed. 



Head large, elongate, broad, depressed in front, and sides rounded with a 

 swollen appearance. Snout short, broad, rounded when viewed above. Eye small, 

 superior, and its posterior rim about first third in length of head. Mouth large, 

 broad, oblique, and maxillary reaching below posterior portion of orbit. It is 

 received in a deep infraorbital groove, and its distal extremity dilated till about 

 three-fifths of eye-diameter. Mandible large, flattened below, and projecting well 

 beyond tip of snout. Teeth in upper jaw minute, and in a broad band. Mandible 

 with a small short patch of similar teeth at sj'mphysis in front, and along sides a 

 single series of enlarged, compressed, rather short and sharp pointed teeth. An 

 outer series of small irregular pointed teeth along outer bases of enlarged teeth, in 



