LABEO. X 337 



the tirst ray of which falls under 5th or 6th branched ray of dorsal. 

 Caudal deeply forked. Caudal peduncle 1^ to If times as long as deep. 

 Scales 34-39 ^^, 3 between lateral line and root of ventral, 12 round 



"2 '2 



caudal peduncle. Olive above, whitish beneath, with or without a rather 

 indistinct darker lateral band ; fins greyish, tinged with orange or red 

 in life. 



Total length 260 millira. 



South Cameroon, Gaboon. 



1-2. Ad. & hgr., Kribi R. at Efulen, S. Cameroon. G. L. Bates, E^q. (C). 



types. 

 3-6. Ad. & hgr. ,, „ „ „ 



7-9. Ad. Ja R. (Congo System) at „ 



Bitye, S. Cameroon. 

 10-12. Ad. & yg. Lil)i R. (Congo System), „ 



S. Cameroon. 

 13. Ad. Komadekke, Ogowe. Dr. W. J, Ansorge (C). 



30. LABEO CHARIENSIS. 



Pellegr. Bull. Mus. Paris, 1904, p. 311. 



Laheo parvus (nou Bouleng.), Steind. Ann. Hofmus. Wien, xxi. 1900, p. 154. 



Depth of body equal to length of head, 4 times in total length. Head 

 once and J as long as broad ; snout very prominent, with numerous 

 tubercles; eye supero-lateral, in second half of head, 6 times in length 

 of head, 2| or 3 times in interorbital width ; inner surface of lips with 

 numerous transverse plicee ; a minute barbel, hidden in the folds at side 

 of mouth. Dorsal II 10, falciform, deeply notched, anterior rays 

 extremely prolonged. If or If times length of head. Anal II 5. 

 Pectoral a little shorter than head, not reaching ventral. Caudal forked, 

 with pointed lobes. Caudal peduncle a little longer than deep. Scales 

 34^1, 3 between lateral line and root of ventral, 12 round caudal 



"2 



peduncle. Olive-brown, lighter beneath. 

 Total length 300 millim. 

 Shari River (type in Paris Museum), Cameroon. 



31. LABEO PARVUS. 

 Bouleng. Ann. Mus. Congo, Zool. ii. p. 30, pi. viii. fig. 5 (1902). 



Body feebly compressed, its depth equal to or a little greater than 

 length of head, 4 or 5 times in total length. Head 1\ to 1^ time^ as 

 long as broad; snout rounded or obtusely pointed, very pominent, with 



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