SILUfiLELE. 



2S7 



Add :— 

 13-14. Ad. 



27. CLARIAS PACHYNEMA, Blgr. 

 Akonolinga, Nyong R. G. L. Bates, Esq. (C). 





Add :- 





9. 



Ad. 





10- 



-11, 12. 



Ad 



13. 



Ad. 





28. CLARIAS L.EVICEPS, Gill. 



Corbal R. at Tchitoti, Portug. 



Guinea. 

 Tauo R., Gold Coast. 

 Ja R., S. Cameroon. 



Dr. W. J. Ansorge (C). 



Dr. H.G. F. Spun-cll(P.). 

 G. L. Bates, Esq. (C). 



Fig. 176. 



Glorias Julr/eudorjt. 

 Type, f 



28 a. CLARIAS HILGENDORFI. 

 Bouleng. Ann. & Mag. N. H. (8) viii. 1911, p. 54. 



Depth of body 6| times in total length, length of head 4| times. 

 Head If times as long as broad, smooth ; occipital process longer than 

 broad, acutely pointed ; frontal fontanelle sole-shaped, 2| times as long 

 as broad ; occipital fontanelle narrow, elongate, partly on occipital 

 process ; eye very small, 3 times in length of snout, 6 times in inter- 

 orbital width, which is a little less than \ length of head ; band of 

 prsemaxillary teeth not quite 4 times as long as broad ; vomerine teeth 

 granular, forming a curved band which is nearly as broad as the 

 prsemaxillary band ; nasal barbel f length of head, maxillary 1^, outer 

 mandibular nearly 1, inner mandibular |. Gill-rakers few, 12 on first 



