42 MOiniYHID.E. 



tcctli truncate, 22 or 24 in each jaw; eye small, in anterior third 

 of licad, its diameter 3 to 3| times in length of snout, 2J to 3 times in 

 interocular width. Dorsal 24-25, half as long as anal and above its 

 middle, 2^ times as distant from end of snout as from root of caudal. 

 Anal 40-43, its origin at equal distance from head and from root 

 of caudal. Pectoral rounded, ? length of head. Caudal small, greater 

 l)art covered with scales, with refunded lobes. Caudal peduncle a little 

 longer than deep, } to ^ length of head. G3-G7 scales in lateral line, 

 jYTj.j in transverse series on body, 21-23 in transverse series between 

 dorsal and anal, 16 round caudal peduncle. Purplish brown, lighter 

 beneath, with darker blotches or marblings, or with small dark t>pots 

 forming longitudinal lines. 



'J'otal length 400 millim. 



Lower Congo. — 'J'ypes in Congo Museum, Tervucren. 

 1. Oncoftliotyi.es. PH)imi. M. V. 1 >rlli<-z (('.). 



12. MOKMVKoPS LINEOLATUS. 



Pouleng. Ann. ]\Ins. Congo, Zool. i. \>. '), pi. ii. fig. 2 (l<Sl)iS), Vroc. Zool. Soc. IS'JS, 

 ]). 785, and VoU^. Bass. Congo, p. G') (1001). 



l)('})th of body 5 to G times in total length, length of head 8| to 

 5 times. Head If to 1-J times as long as deep, u])per ])rolile slightly 

 concave ; snout rouudc-d ; jaws ecjual ; width of mouth nearly eipial to 

 length of snout; teeth truncate, IG to 22 in eacli jaw; e}e small, 



Fig. 29. 



J\ror))u/rops Uneohtus. 

 Type(A.iM.C.). J. 



in nuteriov third of head, its diameter 2 to 3 times in lenglli of 

 snout or in interocidar width. Dorsal 29-32, f to § length of anal, 

 originating 1§ to 2^ times as far from end of snout as from base of 

 caudal. Anal 4G-50, originating considerably in advance of dorsal (Uth 

 to loth ray corresponding to first dorsal), and a little nearer head than 

 root of caudal. Pectoral rounded, ^ length of head. Caudal small, 



