CLAEIAS. 



263 



I length of head ; band of prtemaxillaiy teeth 4 times as long as broad ; 

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

 prtemaxillary band ; nasal barbel J to | length of head ; maxillary barbel 

 as long as or a little longer than head, as long as outer mandibular. 14 

 gill-rakers on anterior arch. Clavicles feebly striated, distinct under 

 the skin. Dorsal 80-90, its distance from occipital process J length 

 of head. Anal 67-73. Dorsal and anal embracing base of caudal. 



Fig. 218. 



Clarias theodorce. 

 Umfiilosi. y. 



Pectoral about J length of head, its spine feebly serrated on the outer 

 side, strongly on the inner and measuring ^ to § the length of the fin. 

 Ventrals 1 J times as distant from caudal as from end of snout. Caudal 

 about \ length of head. Greenish grey to blackish. 



Total length 180 millim. 



Natal, Zululand, Rhodesia.— Type in Amsterdam University Museum. 

 1. Ad. Unifulosi, Zululund. Dr. E. Warren (P.). 



32. CLARIAS FOULONI. 

 Bouleng. Ann. & Mag. N. H. (7) xvi. 1905, p. G44, and Proc. Zool. Soc. 1907, 

 p. 1089, fig. 

 Depth of body 6J times in total length, length of head 5 times. 

 Head IJ times as long as broad, smooth; occipital process angular; 

 frontal fontanelle sole-shaped, \ length of head, twice as long as occipital 

 fontanelle, which is in advance of occipital process; eye 3 times iii 



