200 



STLURID.E. 



barbel f to f length of head, maxillary 1^ to 1| times, outer mandibular 

 1^ to 1^ times, inner mandibular J to f . Gill-rakers few, about 15 on 

 anterior arch. Clavicles concealed under the skin. Dorsal 92-95, its 

 distance from occipital process f to ^ length of head. Anal 78-80. 

 Dorsal and anal extending to root of caudal. Pectoral ^ length of 

 head, its spine feebly serrated on both sides and f to f the length of the 

 fin. Ventrals about once and f as distant from caudal as from end of 

 snout. Caudal I length of head. Dark olive-brown above, yellowish 

 beneath. 



Total length 255 millim. 



South Cameroon. 



1-3. Types. Ja R. 



4-0, 7-9. Ad., ligr., & yg. 

 10-11. Ad. & hgr. 

 12. Hgr. Nyong R. 



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



28. CLARIAS L^VICEPS. 



Gill, Proc. Ac. Philad. 1802, p. 139 ; Sauv. Bull. Soe. Zool. France, 1882, p. 318, 

 1)1. V. fig. 2 ; Bouleng. Proc, Zool. Soc. 1904, i. p. 200, and 1907, p. 1087, fig. 

 Clarias JangsleycSy Giinth. Proc. Zool. Soc. 1902, ii. p. 334. 



Depth of body 8 J to 12 times in total length, length of head 5 to 5 J 

 times. Head 1^ to 1^ times as long as broad, smooth; occipital 

 process pointed ; frontal fontanelle sole-shaped, about twice as long as 

 broad ; occipital fontanelle smaller, in advance of occipital process ; eye 



Fig. 216. 



Clarias Iceviceps. 

 Cameroon (P. Z. S. 1907). |. 



very small, 3 to 4 times in length of snout, G to 7 times in interorbital 

 width, which equals ^ length of head and a little exceeds width of 

 mouth ; band of priemaxillary teeth 4 to 5 times as long as broad ; 

 vomerine teeth conical, forming a curved band which is as broad as or a 

 little narrower than the pnrmaxillary band ; barbels moderately thick, 

 nasal ^ to f length of head, maxillary l^j to If times, outer mandibular 



