418 CYPEINODONTID^. 



3. HAPLOCHILUS MABNI. 

 (Plate LXXIX. fig. 8.) 



IlaplocMlus fasciolatus, part., G-iinther, Cat. Fish. vi. p. 358 (1866), and Petherick's Trav. ii. 



p. 258 (1869). 

 IlaplocMlus marnoi, Steindachner, Sitzb. Ak. Wien, lxxxiii. i. 1881, p. 198. 



Depth of body four and a half to five and two-fifths times in the total length, 

 length of head three to three and a half times. Head flat above ; snout rounded, 

 with the mouth directed upwards, the lower jaw feebly projecting ; teeth small, forming 

 a narrow band; eye nearly perfectly lateral, as long as the snout, three to three and a 

 half times the length of the head; interorbital width half the length of the head. 

 Dorsal fin with 7 or 8 rays, originating above posterior third of anal, twice as far from 

 the gill-opening or the eye as from the root of the caudal fin, the longest ray about 

 half the length of the head. Anal fin with 14 or 15 rays, about twice as long as the 

 dorsal. Pectoral fin about two-thirds the length of the head, much longer than the 

 ventral fin, which is inserted at equal distance from the end of the snout and from 

 the root of the caudal fin. Caudal fin rounded, -nearly as long as the head. Caudal 

 peduncle a little longer than deep. Scales feebly striated, 27 or 28 in a longitudinal 

 series, 18 or 20 round the body in front of the ventral fins; lateral line indicated 

 by a series of pits. 



Pale brown above, yellowish white beneath, with 9 to 12 dark brown or blackish 

 oblique bands on each side of the body directed downwards and forwards ; two or 

 three similar bands may also be present on the caudal fin; dorsal and anal fins 

 purplish or bluish grey, the latter sometimes with small crimson spots. 



Grows to a length of 40 millimetres. 



Measurements (in millimetres). 



Total length 32 



,, „ (without caudal) 25 



Depth of body 5 



Length of head 7 



Width of head 4 



Length of snout 2 



Diameter of eye 2 



Interorbital width 3£ 



Longest ray of dorsal fin . . . , 3^ 



„ „ anal fm ... £i 



Length of pectoral fin 4^ 



„ ventral fin 3 



