74 CYPlilNODONTID.E. 



pits. Yellowish or pale olive, with large crimson spots ; fins greyish, 

 dorsal, anal, and caudal with crimson spots. 



Total length 55 millim. 



Portnguese Congo ; mouth of Congo. 



1. Tvpo. Lucola R. near Cabindn. Dr. W. J. An.soroe (('.). 



2. Ad. Luculla R., Cliiloango. „ 

 3-12. Ad. & ligr. Liiali R. at Lundo. „ 



13-lG. Ad. Boma, Congo. Mi; J. Paul Arnold (P.). 



37. HAPLOCHILUS NIGRICANS. 

 Boulong. Rev. Zool. AlV. ii. PJL'J, p. IGO. 



Depth of body 4^ to 4| times in total length, length of head 3j to 

 3^ times. Head flat above; snout broad, rounded, as long as eye; 

 mouth directed upwards; lower jaw slightly projecting ; eye oh times 

 in length of head, 1^ times in interorbital width ; pncorbital about 

 y diameter of eye. Dorsal 9, originating about twice as far from head 



Fi-. 01. 



lliplochilus najyicans. 

 Type. 1 



as from root of caudal, above posterior third of anal, longest rays not 

 much more than ^ length of head. Anal 15, longest rays § lengtii of 

 head. Pectoral a little shorter than head, extending to base of ventral 

 or a little beyond ; ventral small, equally distant from end of snout and 

 from root of caudal. Caudal pointed, longer than head. Caudal 

 peduncle slightly longer than deep. 28-29 scales in longitudinal series, 

 20 round body in front of ventraLs ; lateral line absent or represented by 

 a few pits. Dark brown, with traces of longitudinal series of red spots 

 on the sides ; flns blackish. 



Total length 47 millim. 



Uelle River, Upper Congo. — Types in Congo Museum, Tervueren. 

 1. One of the types. Dun-iu. M. llutereau (C.). 



