'248 



iSlLUKID.E. 



f length of head. 20 gill-rakers on anterior arch. Clavicles not 

 exposed. Dorsal 58-60, its distance from the occipital process ^ length 

 of head, its distance from caudal greater 

 than diameter of eye. Anal 40-42, not 



Fig. 205. 



reaching caudal. Pectoral ahout ^ length 

 of head, the spine not serrated, about f the 

 length of the fin. Ventrals much nearer 

 end of snout than caudal. Caudal ^ length 

 of head. Uniform blackish brown above, 

 brownish white beneath. 



Cl(( rlus bre i icej is . 

 Type (A. M. C). =. 



Total length 190 millim. 



Mayombe, West Africa. — Type in Congo Museum, Tervueren. 



1. One of the types. Marshes o£ Siala Ntoto, Mayombe. Major Cabra (C.). 



18. ('LA1UA8 WALKERI. 



Giintli. Ann. & Ma^. N. H. ((j) xvii. 1890, p. 274, pi. xiv. fig. B ; Bouleng. Proc. 

 Zool. Sue. PJOT, p. 108U. 



Depth of body G to 8 times in total length, length of head 4 to 4J 

 times. Head 1\ to 1^ times as long as broad, smooth above, or very 

 finely granulate behind ; occipital process angular ; frontal fontanelle 

 small, sole-shaped ; occipital fontanelle smaller, in advance of or slightly 

 encroaching upon occipital process ; eye very small, its diameter 3 to 4 

 times in length of snout, 6 to 8 times in interorbital width, which 

 nearly equals widtli of mouth and is contained twice in length of head ; 

 band of prsemaxillary teeth 4 to 5 times as long as broad ; vomerine 

 teeth conical, forming a crescentic band which, in the middle, is about 

 as broad as the preemaxillary band ; nasal barbel f to | length of head ; 

 maxillary barbel 1^ to 2 times as long as head, reaching extremity of 

 pectoral or base of ventral ; inner mandibular barbel a little shorter 

 than nasal, \ to | length of outer. Gill-rakers on first arch widely set, 

 12 to lo in number. Clavicles concealed under the skin. Dorsal 



