CLARIALLABE9. 



269 



is ^ length of head and a little less than width of mouth ; band of 

 praernaxillary teeth hardly 4 times as long as broad ; vomerine teeth 

 pointed, forming a crescentic band which is a little narrower than the 

 praemaxillary band ; nasal barbel f ^^ f length of head ; maxillary 

 barbel nearly as long as head ; inner mandibular barbel |: to f length of 

 liead, outer nearly as long as head. Gill-rakers moderately long, 12 to 

 15 on anterior arch. Clavicles scarcely distinguishable under the skin. 



Fig. 223. 



Clariallabes. melas. 

 Type. I 



Dorsal 105-115, its distance from occipital process J length of head. 

 Anal 88-90. Both dorsal and anal united with caudal, which measures 

 ^ length of head. Pectoral nearly ^ length of head, its spine serrated 

 on both edges and about | the length of the fin. Ventral ]| to 2 

 times distant from root of caudal as from end of snout. Uniform 

 blackish brown. 



Total length 260 millim. 



Lower Congo. 



1. Ty})e. Lower Congo. 



2. Hgr. Congo? 

 :\. Skcl. 



M. F. Hens (C). 



