STOMATORHINUS. 91 



with rounded lobes. Caudal peduncle twice as long as deep, \ length 

 of head. 48 scales in lateral line, ^ in transverse series on body, | in 

 transverse series between dorsal and anal, 12 round caudal peduncle. 

 Brown above, whitish beneath ; fins colourless. 



Total length 100 raillim. 



Congo (Stanley Pool). — Type in Congo Museum, Tervueren. 



5. STOMATORHINUS POLYLEPIS. 



Bouleng. Ann. Mus. Congo, Zool. i. p. 71, pi. xxxi. fig. 6 (1899), and Poiss. Bass. 

 Congo, p. 86 (1901). 



Depth of body 3f to 4-^ times as long as deep, length of head 3^ to 4 

 times. Head lj to 1^ times as long as deep ; snout rounded, projecting 

 a little beyond mouth, -§• to \ length of head ; mouth small, its width \ 

 to ^ length of head ; 7 teeth in upper jaw, 8 in lower ; eye very small, 

 -f to -j length of head, -g- interorbital width. Dorsal 18-19, its length 

 once and f in its distance from head. Anal 20-23, 4th or 5th ray below 

 1st of dorsal, a little nearer base of caudal than base of ventral. Pectoral 

 obtusely pointed, |- to |- length of head, If to 2 times length of ventral, 



Fig. 74. 



Stomatorhimis polylepis. 

 Type (A. M. C). f 



extending more or less beyond base of latter. Caudal with rounded 

 lobes. Caudal peduncle twice as long as deep, \ length of head. 54- 

 60 scales in lateral line, ^ in transverse series on body, jjjij in trans- 

 verse series between dorsal and anal, 20-22 round caudal peduncle. 

 Dark purplish brown, lighter beneath ; fins grey. 



Total length 110 millim. 



Congo. — Types in Congo Museum, Tervueren. 

 1-2. Two of the types. Coqnilhatville, Upper Congo. M. P. Delhez (C). 



