38 



MOKMYRIDJi. 



considerably in advance of dorsal (9tli or lOth ray corresponding to first 

 dorsal), and at equal distance from head and from base of caudal. 

 Pectoral obtusely pointed, f length of head. Caudal rather small, 

 greater part covered with scales, with rounded lobes. Caudal peduncle 

 twice as long as deep, f to ^ length of head. 70-76 scales in lateral 

 line, i?=y in transverse series on body, 17-18 in transverse series 

 between dorsal and anal, 12 round caudal peduncle. Pale grey above, 

 finely speckled with black, white beneath. 

 Total length 165 millim. 



Lower Congo. — Types in Congo Museum, Tervueren. 



1. One of the types. 



2. Skel. 



Boi 



M. P. Delhez (0.). 



7. MORMYROPS MASUIANUS. 



Bonlfing. Ann. Mus. Congo, Zool. i. p. 4, pi. ii. fig. 1 (1898), Proc. Zool. Soc. 1898, 

 p. 784, and Poiss. Bass. Congo, p. 61 (1901). 



Depth of body 6 times in total length, length of head 4f times. 

 Head If as long as deep, with straight, declivous upper profile ; snout 

 rounded, projecting a little beyond the mouth ; width of mouth a little 

 greater than length of snout ; teeth truncate, 12 in upper jaw, 14 in 

 lower ; eye very small, situated in anterior third of head, its diameter 



Fia. 24. 



ilormiirops masiiianus. 

 Type (A. M. C). i. 



3 times in length of snout or interorbital width. Dorsal 30-81, 

 I length of anal, originating If as far from end of snout as from 

 base of caudal. Anal 40-46, originating a little in advance of 

 dorsal (its 7th or 8th ray corresponding to first dorsal), and 

 slightly nearer head than base of caudal. Pectoral i length of head. 

 Caudal rather small, densely scaled, with rounded lobes. Caudal 



