254 



SILUEID.E. 



than interorbital width ; band of praeraaxillary teeth about 4 times 

 as long as broad ; vomerine teeth conical, forming a crescentic band 

 which is longer and a little broader than the band of prsemaxillary 

 teeth ; nasal barbel as long as or a little longer than head ; maxillary 

 barbel 1J to 1| times length of head, reaching ventral or between 

 pectoral and ventral ; outer mandibular barbel 1^ to 1^ times as long 

 as inner and about 1^ length of head. Gill-rakers moderate, 14 or 15 

 on anterior arch. Clavicles hidden under the skin. Dorsal 65-78, 



Fig. 210. 



Clarias alluaudi. 

 Type (F. TS.). \. 



its distance from occipital process about \ length of head, extending 

 to root of caudal. Anal 55-62, extending to root of caudal. Pectoral 

 \ length of head, the spine serrated on both sides and about § the 

 length of the fin. Ventral \\ times as distant from root of caudal 

 as from end of snout. Caudal about \ as long as head. Blackish 

 brown above, lighter brown beneath. 



Total length 230 millim. 



Lake Victoria. 



1. Type. Kavirondo Bay. M. Alluaud (C.) ; 



Paris Museum (E.). 



2. Type. Entebbe. Mr. E. Degen (C). 

 3-4. Types. Bunjako. „ 



23. CLARIAS WERNERI. 



Bouleng. Ann. & Mag. N. H. (7) xvii. 1906, p. 509 ; Werner, Sitzb. Ak. Wien, 

 cxv. i. 1906, p. 1135, pi. iv. ; Bouleng. Fish. Nile, p, 297, pi. liii. fig. 3 

 (1907), and Proc. Zool. Soc. 1907, p. 1084. 



Depth of body 6| to 8 times in total length, length of head 4| to 5 

 times. Head about 1£ times as long as broad, smooth or very feebly 



