MAKCUSENIUS. 



41 



to three-fifths the interocular width. Dorsal fin with 15 to 18 rays, originating above 

 the fifth or sixth ray of anal, its length about two-fifths its distance from the head ; 

 anterior rays longest, forming an obtuse point. Anal fin with 24 or 25 rays, nearly 

 equally distant from the base of the ventral and from that of the caudal ; the fin more 

 pointed in front in females than in males. Pectoral fin pointed, subfalcate, as long as 

 or a little shorter than the head, twice to twice and a half as long as the ventral and 

 extending beyond the root of the latter. Caudal fin scaled at the base, with pointed 

 lobes. Caudal peduncle twice and a half to twice and two-thirds as long as deep, 

 two-thirds to four-fifths the length of the head. 46 to 53 scales in the lateral line, 

 3^3 in a transverse series on the body, j^j in a transverse series between dorsal and 

 anal, 16 to 20 round caudal peduncle. 

 Uniform blackish brown. 



Measurements (in millimetres) and numbers of Jin-rays and scales. 



Total length (without caudal fin) 



Greatest depth of body 



Length of head 



Width of head 



Length of snout 



Diameter of eye 



Interocular width 



Width of mouth 



Length of caudal peduncle 



Depth of caudal peduncle 



Length of pectoral fin 



Number of rays in dorsal fin 



,, „ anal fin 



„ scales in lateral line 



,, „ from the middle of the back to the lateral Jine 



„ „ „ lateral line to the middle of the belly 



„ „ between dorsal fin and lateral line 



5? „ „ lateral line and anal fin 



,5 „ round caudal peduncle 



89 



85 



29 



2Q 



23 



22 



13 



13 



5 



4 



5 



4 



8 



7 



6 



6 



16 



16 



6 



6 



19 



17 



18 



18 



25 



24 



52 



52 



11 



11 



15 



14 



10 



11 



10 



11 



18 



18 



19 



18 



16 



18 



25 



25 



50 



53 



10 



10 



15 



15 



10 



11 



10 



10 



18 



20 



