06 ^Ir. C. T. lle^ran on new 



XIV. — Descriptlonn of Five new Freshwater Fishes from 

 Suraivak, Burneo, collected by Dr. C. Hose. By C. Tate 

 Regan, J3 A. 



Burbus Hosii. 



Depth of body 3| in tlie length, length of head 3^-. Snout 

 a little shorter than eye, tlie diameter of which is 3;^ in the 

 length of head, interorlntal width 2. Cleft of mouth ex- 

 tending to beloAV anterior margin of eye ; jaws equal ante- 

 riorly ; 2 barbels on each side, the posterior somewhat the 

 longer, nearly ^ the length of head. Scales 36 ^% 2^ between 

 lateral line and root of ventral. Dorsal III 7, its origin 

 equidistant from tip of snout and base of cauda! ; third 

 simple ray not enlarged, | the length of head. Anal III 5, 

 when laid back reaching the base of caudal. Pectoral nearly 

 reaching the ventral ; ventrals originating below the middle 

 of dorsal, extending nearly to the vent. Caudal forked. 

 Caudal peduncle as long as deep. A dark vertical stri|)e 

 above the root of the pectoral, covered by the opercular flap ; 

 scales dark at the edges ; fins p:ile. 



Ear am District. 



A single specimen, 78 ram. in total length. 



Cosmochilus falcifer. 



Pharyngeal teeth simple, obtuse, 5.3. 2 — 2 .3.5. D.^pth 

 of body 2f in the length, length of head 4. Snout a 

 little longer tlian eye, tlie diameter of which is 3;-! in the 

 length of head, interorbital width 25. Mouth not or scarcely 

 extending to below the nostril ; lower jaw shorter than the 

 upper. Upper lip with 4 series of papillae, the outer series 

 produced as short barbel-like processes ; lower lip with 

 similar fringes ; anterior barbel about = the length of head, 

 posterior barbel nearly as long. Scales 36-39 y^, 5 betwe^-n 

 lateral line and root of ventral. Dorsal IV 8, its origin 

 slightly nearer to tip of snout than to base of caudal, tlie 

 fourth simple ray enlarged, articulated thn)ughout and with 

 seriated posterior edges, very elongate, when laid back ex- 

 tending to the caudal ; anterior branched rays rapidly 

 decreasing in length, the free margin of the tin deeply con- 

 cave. Anal III 0. Dorsal and anal fins scaly at the base. 

 Pectoral nearlv reaching the ventral ; ventrals originating 



