CLAMALLABES, 



269 



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

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

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

 prsemaxillary band ; nasal barbel f to § length of head ; maxillary 

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

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

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



Fig. 223. 



Glariallabes melas. 

 Type. |. 



Dorsal 105-115, its distance from occipital process ^ 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 S the length of the fin. Ventral ]| to 2 



times distant from root of caudal as from end of snout, 

 blackish brown. 



Total length 260 millim. 



Lower Congo. 



1. Type. 



2. Hgr. 



3. Skel. 



Uniform 



Lower Congo. 

 Congo ? 



M. F. Hens (C). 



