GEPHYKOGLANIS. 



345 



II. Nasal barbel I to % diameter of eye ; maxillary 

 barbel a little longer than head; folded dorsal 

 reaching adipose, which is shorter ; anal with 

 8 or 9 branched rays ; caudal with acutely 



pointed lobes ; vertex and occiput strongly LP- 348. 



striated and granulate 5. G. longipinnis, Blgr., 



1. GEPHYROGLANIS OONGICUS. 

 Bouleng. Ann. Mus. Congo, Zool. i. p. 42, pi. xx. fig. 2 (1899), and Poiss. 

 Bass. Congo, p. 292, pi. xiv. fig. 2 (1901). 

 Depth of body b\ times in total length, length of head 4 times. 

 Head depressed, If times as long as broad, smooth except on the 

 occiput, which is feebly granulated and striated, and on the operculum, 

 which is striated ; occipital process as long as broad, in contact with 

 interneural shield ; snout obtusely conical, f length of head; eye oval, 

 of (young) to 6 times in length of head, twice in interorbital width ; 



Fig. 268. 



Gephyroglanis coitgicus. 

 Type (A. M. C). {. 



nasal barbel very small, not -^ diameter of eye ; maxillary barbel hardly 

 half length of head; outer mandibular barbel ^ length of head and 

 about twice as long as inner ; mouth not quite \ width of head ; prae- 

 maxillary band of teeth straight, short and broad. Dorsal I 6, longest 

 ray shorter than head ; spine -f to f length of head, not serrated or 

 feebly serrated behind in the young. Adipose fin 1^ times as long as 

 deep, a little shorter than rayed dorsal, its base 2| times in its 

 distance from the latter. Anal 12, 8 rays branched. Pectoral spine \ 

 length of head, feebly serrated on inner border in the adult, strongly 

 in the young. Caudal deeply forked, with pointed lobes. Caudal 



