228 Annals of the South African Museum. 



Anal with 11 branched rays ; adipose fin longer 

 than rayed dorsal ; caudal with obtuse lobes ; 

 head smooth 3. G. sclaten, Blgr. 



II. Maxillary barbel f length of head ; nasal barbel 

 J to ^ diameter of eye ; folded dorsal reaching 

 adipose, which is shorter ; anal with 8 or 9 

 branched rays ; caudal with acutely pointed 

 lobes ; vertex and occiput strongly striated and 

 granulate 4. G. longijnnniSj'Blgv. 



Gephyeoglanis sclateei, sp. n. 



Depth of body 5f times in total length, length of head 4 times. 

 Head 1^ to 1^ as broad as deep, IJ to ^ as long as broad, perfectly 

 :smooth ; snout obtusely conical, f length of head ; eye, 5 to 5f times 

 in length of head, 1^ to 1|- in interocular width ; occipital process 

 much longer than broad, in contact with the interneural shield, which 

 is triangular and shorter. Nasal barbel very short, barely A diameter 

 of eye ; maxillary barbel f to ^ length of head, outer mandibular -}, 

 inner ^. Mouth, ^ to f width of head ; praemaxillary band of teeth 

 concentric, nearly 4 times as long as broad. Dorsal 17, If to twice 

 as deep as long, not reaching adipose fin when folded ; spine strong, 

 smooth, |- to |- length of head ; longest soft ray a little shorter than 

 li6ad. Adipose fin about 3 times as long as deep, shorter than its 

 distance from the dorsal. Anal 16 (11 rays branched). Pectoral 

 spine a little shorter than the dorsal, with 9 to 15 strong teeth on its 

 inner border. Ventral not reaching origin of anal. Caudal bifid, 

 with obtuse lobes, shorter than the head. Caudal peduncle 1^ as 

 long as deep. Muciparous canals expanding into rosettes on the 

 head and produced into raised tubules on the anterior part of the 

 lateral line. Uniform brownish. 



Two specimens from the Vaal Eiver, the larger measuring 190 

 millimetres, the smaller 98 ; of these the larger (Eeg. No. 4708) is 

 preserved in the collections of the South African Museum, the 

 smaller has been presented to the British Museum. 



