MORMYRUS. , 131 



jaw, 6 or 8 in lower ; eye large, in anterior half of the head, nearly as 

 long as the snout, IJ to 1| times interorbital width. Dorsal 64-65, 

 orit^inating above base of ventral, twice as far from base of caudal as 

 from end of snout, 4-4J times as long as anal. Anal 19-21, originating 

 a little nearer base of caudal than end of snout. Pectoral pointed, as 

 long as head, ventral f length of head. Caudal with long pointed 

 lobes, as long as head. Caudal peduncle 2 J times as long as deep, 

 f length of head. 85-98 scales in lateral line, ||^^ in transverse 

 series on body, 23-28 in transverse series between dorsal and anal, 12 

 round caudal peduncle. Brownish above, silvery white beneath. 



Total length 290 millim. 



Nii2:er. 



4. MORMYRUS OVIS. 

 Bouleng. Ann. Mus. Congo, Zool. i. p. 15, pi. vii. fig. 2 (1898), Proc. Zool. Soc. 

 1898, p. 815, and Poiss. Bass. Congo, p. 110 (1961). 



Depth of body 3J to 4 times in total length, length of head 4f to 5 

 times. Head nearly as long as deep, with strongly curved upper profile ; 

 snout short, J to f postorbital part of head ; teeth very small, notched, 

 5 in upper jaw, 8 in lower ; eye moderate, J length of snout, J to f 



Ylcr. 109. 





\ 



.JS^ 



Mormijrus ovis. 

 Type (A. M. C). f . 



interorbital width. Dorsal 53-55, originating above base of ventral, 

 a little longer than its distance from end of snout, 2f to 3 times as 

 long as anal. Anal 22-23, originating a little nearer head than base of 

 caudal. Pectoral obtusely pointed, j length of head, ventral J or | 



K 2 



