LEPTOCTPRIS.— BARILIUS. 101 



Dorsal II 8, equally distant from occiput and from caudal, border 

 concave, longest ray | length of head. Anal II 8-9. Pectoral pointed, 

 f length of head, not reaching ventral. Caudal forked. Caudal peduncle 

 nearly twice as long as deep. Scales with radiating striEe, 40 -^r^' 

 2 between lateral line and ventral, 14 round caudal peduncle. Silvery, 

 brownish on the back. 



Total length 85 millim. 



Upper Congo. — Type in Congo Museum, Tervueren. 



1. One of the types. Between New Antwerp ;ind Major Weyns (('.). 



Stanley Falls. 



2. Ad. Banzyville, Ubanglii. Capt. Royaiix (C). 



8. BARILIUS. 



Ham. Buchan. Fish. Ganges, p. 384 (1822), part. ; Giinth. Cat. Fish. vii. p. 28(5 

 (18G8) ; Bouleng. Poiss. Bass. Congo, p. 231 (IDOlJ, and Fish. Nile, p. 261 

 (1907). 



Opsaridivm, Peters, Mon. Berl. Ac. 1853, p. 783, and Reise Moseamb. iv. p. .58 

 (18G8). 



Pelotrophis, Gunth. Proc. Zool. Soc. 1864, p. 314, and Cat. Fish. t. c. p. 320. 



Body more or less compressed, with rounded belly, covered with small 

 or moderately large scales. Lateral line low down, following the ventral 

 outline of the body and running along the lower part of the caudal 

 peduncle. Mouth large, oblique, without lips, with or without barbels. 

 Suborbitals large, covering the whole or the greater part of the cheek. 

 Gill-membranes narrowly united to the isthmus. Dorsal fin without 

 ossified ray, with 9 to 13 rays, 7 to 10 of which are branched, originating 

 behind the vertical of the ventrals and before that of the anal. Anal 

 fin with 10 to 22 rays. A scaly process at the base of the ventrals. 

 Pharyngeal teeth conical, hooked, in two or three series. 



South-Eastern Asia and China, Nile and Tropical Africa. 



Sy7iopsis of the Species. 



I. Dorsal entirely in advance of anal. 

 D. Ill 7-8 ; A. Ill 10-12 ; Sc. 36-40 |^*, 

 2-2\ ; head 2-2^ times as long as 

 broad ; depth of body 3|-5 times in 

 total length ; origin of dorsal midway 

 between nostril or eye and caudal . . \. B. n'doticus, Joann., p. 193. 



