•20 CATALOGUE OF FISH. 



Nasal teeth 22, disposed in four rows ; all the teeth blunt, granu- 

 lar, pluriserial. Vomerine teeth, quinqueserial anteriorly; triserial 

 posteriorly. Skin smooth, minutely wrinkled, of a green colour 

 above, yellowish on the belly, edges of the dorsal and anal brown. 



Rays: Br. 24; D. 310; A. 218; P. 15. 



Length of spec. 30 in. 



Pankalpinang. Buukae Island. 



36. PiSOODONOPHIS HOKVENI. 



Ophisurus Hoeveni, Blkr. 



Dorsal commencing the length of the eye behind the gill-open- 

 ings. Pectorals three and a half times the length of the head. 

 Upper lip furnished with cutaneous tags. 



Nasal teeth, 10, longer than the others. All the teeth triserial, 

 blunt. Skin smooth, green above, yellowish beneath. Fins yellow- 

 ish; the dorsal edged with black. 



Eays: Br. 21; D. 234; A. 137; P. 17. 



Length of the specimen, 8-5 in. 



Macassar. 



37. PiSOODONOPHIS POTAMOPHILIS. 



Ophisurus potamophilus, BVo-. Add. zu Murmi. 



The low dorsal fin commences two-thirds of the length of the 

 head behind the gill-cavities; and the pectoral, which is four and a 

 half times the length of the head, is roundly obtuse. Anal fin low, 

 and beginning in the anterior half of the body. Upper lip fur- 

 nished with cutaneous projections. Lateral line conspicuous. 



Nasal teeth, 25. Palatine teeth disposed in six rows. Vomerine 

 teeth in 3-6 rows. Mandibular teeth in 4-6 rows. 



Colour, brownish-green above, yellowish or white on the belly. 

 Dorsal greenish, edged with black, 



Eays: Br. 31; D. 388; A. 275; P. 11-12. 



Length of specimen, 32-5 in. 



In the rivers of Sambas. 



38. PiSOODONOPHIS BEEVICEP3. 



Ophisurus breviceps, Bich. Ereb. d Terr, {nee Cantor). 



A very short, 12-rayed pectoral attached like a valve to the lip of 

 the gill-opening. 



The dorsal begins near the occiput, and tapers gradually away, so 

 as to become nearly imperceptible before it actually terminates, 

 about 5 lines from the tip of the tail, which is compressed. The 

 anal vanishes in a similar way, opposite to the end of the dorsal. 

 Head short and thick, with a comparatively wide snout. Eye and 



