EUTROPIUS. 



281 



II. Lower jaw extending forward quite as far as the snout, or projecting a little 

 beyond latter ; base of dorsal entirely or partly above that of ventrals. 



A. Maxillary barbel longer than the outer mandibular ; nasal barbel not 



longer than eye. 

 Anal 53 9. E. bocagii, Guiinar., p. 290. 



B. Maxillary barbel not longer than outer mandibular ; nasal barbel longer 



than eye. 

 Anal 45 ; maxillary barbel a little shorter than 



mandibular ; pectoral reaching ventral . 10. E. laticeps, Blgr., p. 291. 

 Anal 50-60 ; maxillary barbel not or but little 



shorter than outer mandibular ; pectoral [p. 291. 



not reaching ventral 11. E. depressirostris, Peters, 



Anal 63-70; maxillary barbel about half as 



long as outer mandibular 12. E. moebii, Pfeff., p. 293. 



1. EUTROPIUS CONGOLENSIS. 

 Silurus congensis, Leach, in Tuckey, Exped. R. Zaire, p. 409 (1818). 

 Eutropius congensis, Giinth. Cat. Fish. v. p. 52 (1864). 

 Eutropius congolensis, Bouleng. Poiss. Bass. Congo, p. 268 (1901). 



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



Fig. 230. 



Eutropius congolensis. 

 Type. I 



times. Head 1^ to 1^ times as long as broad ; snout broad, projecting 

 beyond mouth, 2 to 2\ times as long as eye in adult, as long as eye in 

 young; eye perfectly lateral, 4 (young) to 7 times in length of head, 



