CLAEIAS. 241 



4 times as long as broad, \ to ^ length of head ; occipital fontanelle 

 very small, well in advance of occipital process ; eye very small, its 

 diameter 3 to 4 times in length of snout, 5 to 7 times in interorbital 

 width, which equals width of mouth and f length of head ; band of 

 preemaxillary teeth 6 times as long as broad ; band of vomerine teeth 

 a little narrower than the preemaxillary band, rather widely interrupted 

 in the middle, composed of small, partly pointed, partly granular teeth ; 

 nasal barbel ^ to nearly \ length of head ; maxillary barbel as long as 

 head, reaching middle of pectoral spine ; outer mandibular barbel f 

 length of head, inner about \. Gill-rakers on first arch long and closely 

 set, 55 in number. Clavicles hidden under the skin. Dorsal 63-72, its 

 distance from occipital process •§■ to f length of head, its distance from 

 caudal 1 to 4 diameters of eye. Anal 50-52, narrowly separated from 

 caudal. Pectoral fin | length of head, the spine feebly serrated on the 

 outer border, f— % the length of the fin. Ventral 1^ times as distant 

 from root of caudal as from end of snout. Caudal \ length of head. 

 Dark olive-brown above, whitish beneath. 



Total length 550 millim. 



Natal. — Type (stuffed), in Paris Museum, examined. 

 1. Ad. Pietermaritzburg. Dr. E. Warren (P.). 



11. CLARIAS PLATYCEPHALUS. 



Bouleng. Ann. Mus. Congo, Zool. ii. p. 35, pi. x. fig. 1 (1902), and Proc. Zool. Soc. 

 1907, p. 1077. 



Depth of body 6 to 6| times in total length, length of head 3J to 4 

 times. Head 1^ times as long as broad, feebly granulate above ; 

 occipital process obtusely pointed ; frontal fontanelle sole-shaped, \ to - 1 

 length of head ; occipital fontanelle smaller, in advance of occipital 

 process ; eye very small, 4 times in length of snout, 7^ to 8 times 

 in interorbital width, which equals width of mouth and -J- length of 

 head ; band of preemaxillary teeth 5 times as long as broad ; vomerine 

 teeth conical, forming a crescentic band which is as broad as the 

 prsernaxillary band ; nasal barbel f to f length of head ; maxillary 

 barbel 1^ times as long as head, extending beyond extremity of 

 pectoral fin ; outer mandibular barbel as long as head, inner § to f. 

 Gill-rakers few and wide apart. 12 on anterior arch. Clavicles hidden 

 under the skin. Dorsal 65-70, its distance from occipital process 

 \ length of head, its distance from caudal greater than diameter of eye. 



VOL. II. r 



