74 CYPEINODONTIDJL 



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

 dorsal, anal, and caudal with crimson spots. 



Total length 55 millim. 



Portuguese Congo ; mouth of Congo. 



1. Type. Lucola R. near Cabinda. Dr. W. J. Ansorge (C). 



2. Ad. Lticulla R., Chiloango. „ 

 3-12. Ad. & hgr. Luali R. at Lundo. 



13-16. Ad. Buraa, Congo. Mr. J. Paul Arnold (P.). 



37. HAPLOCHILUS NIGRICANS. 

 Bouleng. Rev. Zool. A!'r. ii. 1913, p. 160. 



Depth of body i\ to 4§ times in total length, length of head 3^ to 

 o\ times. Head flat above; snout broad, rounded, as long as eye; 

 mouth directed upwards; lower jaw slightly projecting; eye 3i times 

 in length of head, 1 J times in interorbital width ; prajorbital about 

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



Fis. 01. 



HaplocMlus nigricans. 



Type. 



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

 much more than ^ length of head. Anal 15, longest rays ^ length 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 ; fins blackish. 



Total length 47 millim. 



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

 1. One of the types. Dungu. M. Hutereau (C). 



