1849 .] Catalogue of Malayan Fishes. 1 25 1 



D 9, C 19f, A 8, V 9 or 10, P 13, Br. III. 



Habit. — Freshwater^ Pinang. 



Freshwater, Bengal, Upper Assam. 



Total length : 4f inch. 



The length of the head is \\ in the total. The eye is situated n 

 little in front of the second third of the head, bordering on the profile, 

 its horizontal diameter is 3J in the length of the head, the distance 

 across the forehead is 1| diameter. The cavity of the mouth is mi- 

 nutely dotted with black. As observed by Buchanan, the lower jaw 

 terminates in a point, surmounted by a small tubercle which fits into 

 a corresponding notch of the upper jaw. But of a number examined 

 at Pinang none presented three prehensile knobs on the lower jaw, as 

 described by Mr. McClelland in a specimen collected in Upper Assam 

 by the late Mr. Griffith. The greatest vertical diameter of the body, 

 in front of the dorsal, slightly exceeds the length of the head. The 

 sides are covered by 7 longitudinal series of large rounded scales, each 

 with a number of lines radiating from the root. A straight line from 

 the gill-opening to the caudal contains 23. The lateral line proceeds 

 obliquely downwards to near the termination of the pectoral fin, from 

 whence it continues on the sixth, the penultimate series of scales, 

 straight to the caudal. The first dorsal ray is situated a little behind 

 the second half of the distance between the muzzle and the caudal, 

 opposite the posterior ventral ray. The second dorsal ray, the 

 longest, nearly equals the first pectoral ray, both are about f of the 

 length of the head. The lower caudal lobe, a little longer than the 

 upper, slightly exceeds the length of the head. The first ventral and 

 the second anal ray are nearly equal, a little shorter than the second 

 dorsal ray. At Pinang this species is numerous in rivulets and in rice 

 fields, when they are flooded. 



FAM. SCOPELINOID^l. 



Gen. Saurus, Cuvier, 1817. 



(Harpodon, Lesueur, 1825. — Laurida, [Aristoteles,] Swainson, 

 1839.—Triurus, Swainson, 1839.) 



Muzzle short ; mouth extending far behind the eyes ; edge of upper 

 jaw entirely formed by the intermaxillaries ; numerous pointed teeth 



