250 



SILUKID.E. 



vomerine teeth granular, forming a curved band which is as broad 

 as the prsemaxillary band ; nasal barbel § to f length of head, maxillary 

 11 to 1| times, outer mandibular once, inner mandibular f to f . Gill- 

 rakers very few, 12 on anterior arch. Clavicles concealed under the 

 skin. Dorsal 80, its distance from occipital process f to § length of 

 head, its distance from caudal equal to diameter of eye. Anal 70-73, 



Fiff. 207. 



Clanas longioi: 

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



nearly reaching caudal. Pectoral f to § length of head, the spine 

 smooth and about § the length of the fin. Ventral If to If times as 

 distant from base of caudal and from end of snout. Caudal § length of 

 head. Dark brown above, whitish beneath. 



Total length 225 millim. 



South Cameroon. 

 1. Type. 



2. Type. 



Kribi R. 

 Lobi R, 



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



20. CLARIAS ANGOLENSIS. 

 Steind. Verb., zool.-bot. Ges. Wien, xvi. 1866, p. 766, pi. xiii. figs. 4 & 7 ; Bouleng. 



Poiss. Bass. Congo, p. 259 (1901), and Proc. Zool. Soc. 1907, p. 1082. 

 Clanas gabonensis, Giinth. Ann. & Mag. N. H. (3) xx. 1867, p. Ill, and (6) xvii 



1896, p. 274. 

 Clanas dolloi, Bouleng. Ann. & Mag. N. H. (6) xvii. 1896, p. 311. 



Depth of body 6 to 7 times in total length, length of head 3^- to 4^ 

 times. Head 1J times as long as broad, smooth or finely striated and 



