44 MOEMTmD.E. 



peduncle. Blackish on the back, greyish on the belly ; sides brown, with 

 darker longitudinal lines, with or without black blotches. 



Total length 340 millim. 



Upper Congo, Ogowe. — Type in Congo Museum, Tervue;en. 

 1. Hgr. Monsembe, Upper Congo. Eev. J. H. Weeks (P.). 



14. MORMYROPS MICROSTOMA. 



Bouleng. Ann. Mus. Congo, Zool. i. p. 6, pi. i. fig. 3 (1898), Proc. Zool. Soc. 1898, 

 p. 786, and Poiss. Bass. Congo, p. 67 (1901). 



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

 Head twice as long as deep, with straight upper profile ; snout rounded, 

 projecting beyond mouth ; width of mouth f length of snout ; teeth 

 truncate, 14 in each jaw ; eye moderate, its diameter once and J in 

 length of snout, twice in interocular width. Dorsal 45, nearly f length 

 of anal, originating nearly twice as far from end of snout as from base of 



Fig. 31. 



c 



Mormyrops microstoma. 

 Type(A.M.C.). f. 



caudal. Anal 70, originating considerably in advance of dorsal (17th 

 ray corresponding to first dorsal), and nearer head than base of caudal. 

 Pectoral rounded, ^ length of head. Caudal very small, scaled at the 

 base, with rounded lobes. Caudal peduncle hardly as long as deep, 

 ^ length of head. 102 scales in lateral line, j^^ in transverse series on 

 body, Ifi in transverse series between dorsal and anal, 14 round caudal 

 peduncle. Blackish brown. 



Total length ]65 millim. 



Upper Congo (New Antwerp). — Type in Congo Museum, Tervueren. 



15. MORMYROPS MARINE. 



Mormyrus {Mormyrops) marice, Schilthuis, Tijdschr. Ned. Dierk. Ver. (2) iii. 1891. 



p. 92. 

 Mormyrops marice, Bouleng. Ann. Mus. Congo, Zool. i. p. 3 (1898), Proc. Zool. Soc. 



1898, p. 786, and Poiss. Bass. Congo, p. 67 (1901). 



Depth of body 5-^ to 7 times in total length, length of head 4 to 



