CLAEIAS. 



255 



granulate above; occipital process angular, not longer than broad; 

 frontal fontanelle more or less distinctly sole-shaped, 1| to 2 times as 

 long as broad, its length 4 to 5 times in that of the head ; occipital 

 fontanelle as large or a little smaller, oval or elliptic, partly on occipital 

 process ; eye 2 to 3 times in length of snout, 5 or 6 times in interorbital 

 width ; width of mouth a little less than interorbital width ; band of 

 praemaxillary teeth 3 to 4 times as long as broad ; vomerine teeth 

 granular, forming a crescentic band which is as broad as or a little 



Fig. 211. 



Clarias werneri. 

 Type (P. N.). i 



narrower than the prsemaxillary band ; nasal barbel nearly once to once 

 and \ length of head ; maxillary barbel 1-g- to 2 times length of head, 

 reaching extremity of pectoral or beyond ; outer mandibular barbel 

 about 1^ times as long as inner and equal to or longer than head. 

 Gill-rakers moderate, 16-18 on anterior arch. Clavicles hidden under 

 the skin. Dorsal 82-91, its distance from occipital process nearly ^ 

 length of head, in contact with or very narrowly separated from caudal. 

 Anal 68-72, in contact with or very narrowly separated from caudal. 

 Pectoral nearly \ length of head, the spine very feebly serrated on the 



outer border and about § the length of the fin. 

 as distant from root of caudal as from end of snout, 

 long as head. Blackish brown above, lighter beneath 

 Total length 230 millim. 



Ventral 1| to If times 

 Caudal about \ as 



Uganda. 









1. Type. 



Near Gondokoro. 



Dr. 



F. Werner (P.). 



2-7. Ad. & yg. 



Mpologoma Tt., L. Kioia. 



Dr. 



E. Bayon (C), 



8-10. Types. 



Buujako, L. Victoria. 



Mi- 



. E. Degen (C). 



11. Type. 



Buganga, „ 





» 



12. Type. 



Munyonyo, „ 





J> 



13. Ad. 



Buddu coast of L. Victoria. 



Mr. 



M. Simon (C). 



