359 



its distance from the latter. Anal 14. Pectoral spine a little 

 more than V 2 the length of head, with 23 serrae on its inner 

 edge. Ventrals nearly reaching the origin of anal. Caudal 

 forked. Least depth of caudal peduncle I 5 / C in the distance 

 from the base of last anal ray to that of the middle caudal 

 rays, which is 5 3 / 5 in the length of the fish. Brownish, with 

 2 oblong pale areas on each side of the posterior part of the 

 body above the lateral line, the second small and well-separated 

 from the first; similar pale areas below the lateral line are 

 confluent and the anterior meets that of the other side in 

 front of the anal fin; fins more or less blackish at the base 

 and with blackish intramarginal bands. Length of single spe- 

 cimen known 190 mm. [After Regan, not seen by us]. 

 Habitat: Borneo (Baram river). 



8. Leiocassis merabensis Reg. 



Liocassis poedloptertis Boulenger, Ann. Mag. Nat. Hist. (6) XIII. 1894, p. 247 



(nee. C. V.). 

 Liocassis merabensis Tate Regan, Ann. Mag. Nat. Hist. (8) XI. 1913, p. 550. 



Depth of body 4 2 / 3 to 5 in the length, length of head 3 3 / 5 

 to 3 2 / 3 - Breadth of head i 2 / 3 in its length, diameter of eye 8 

 or 9, interorbital width 5 1 / 2 . Head covered with smooth skin. 

 Snout moderately broad, rounded, projecting a little beyond 

 the mouth; nasal barbel nearer eye than end of snout, when 

 laid back nearly reaching eye; maxillary barbel extending to 

 middle or posterior edge of eye; occipital process three times 

 as long as broad, separated by a space equal to 2 / 4 its own 

 length from basal shield of dorsal spine; clavicular process 

 not extending beyond middle of pectoral spine. Vomerine 

 teeth in a curved uninterrupted band, nearly as broad as that 

 of the praemaxillaries, without or with a very short and blunt 

 median posterior process. Dorsal I. 7; spine very feebly ser- 

 rated behind, about ! / 2 the length of head; adipose fin i 2 / 3 

 or i 3 / 4 as long as dorsal, longer than its distance from latter. 

 Anal 14. Pectoral spine from a little more than '/ 2 to 3 /s tne 

 length of head ; inner edge strongly serrated. Ventrals not quite 

 reaching anal. Caudal forked. Caudal peduncle twice as long 

 as deep. Brownish; head with small dark spots; above the 

 lateral line two elongate oval pale yellow areas, the anterior 

 extending to below the adipose fin, the posterior commencing 



