CLAEIAS. 297 



times as long as broad ; vomerine teeth conical, forming a crescentic band which is 

 longer and a little broader than the band of praemaxillary teeth. Nasal barbel as long 

 as or a little longer than the head ; maxillary barbel once and a half to once and 

 two-thirds the length of the head, reaching the ventral fin or between the pectoral 

 and the ventral ; outer mandibular barbel once and one-third to once and a half as 

 long as inner and about once and one-third the length of the head. Gill-rakers 

 moderate, 14 or 15 on anterior arch. Clavicles hidden under the skin. Dorsal fin 

 with 65 to 78 rays, its distance from the occipital process about one-fourth the length 

 of the head, extending to the root of the caudal fin. Anal fin with 55 to 62 rays, 

 extending to the root of the caudal fin. Pectoral fin half the length of the head, the 

 spine serrated on both sides and about two-thirds the length of the fin. Ventral fin 

 shorter, once and a half as distant from the root of the caudal fin as from the end 

 of the snout. Caudal fin rounded, about half as long as the head. 



Dark olive-brown above, lighter beneath. 



Total length 143 millimetres. 



This fish is known only from Lake Victoria. I have described it from three 

 specimens from Bunjako (Degen, 5-14.11.05), one from Entebbe (Degen, 16.6.05), 

 and one from Kavirondo Bay (Alluaud collection) ; the last was received from the 

 Paris Museum as C. microphthalmias 5 Pfeffer, a nominal species which I regard as 

 based on young specimens of G. robecchii. 



8. CLAEIAS WERNERL 



(Plate LIIL fig. 3.) 



Boulenger, Ann. & Mag. N. H. (7) xvii. 1906, p. 569. 



Depth of body six and a half to eight times in the total length, length of head four 

 and a half to five times. Head about once and a half as long as broad, smooth or 

 very feebly granulate above ; occipital process angular, not longer than broad ; frontal 

 fontanelle more or less distinctly sole-shaped, once and a half to twice as long as 

 broad, its length four to five times in that of the head; occipital fontanelle as large or 

 a little smaller, oval or elliptic, partly on the occipital process ; eye twice to three times 

 in the length of the snout, five to six times in the interorbital width ; width of mouth 

 a little less than interorbital width ; band of praemaxillary teeth three to four times as 

 long as broad ; vomerine teeth granular, forming a crescentic band which is as broad 

 as or a little narrower than the prsemaxillary band. Nasal barbel nearly once to once 

 and a half the length of the head ; maxillary barbel once and one-fifth to twice the 

 length of the head, reaching the extremity of the pectoral fin or beyond ; outer 



2q 



