236 CHAEACINID-^. 



8. NANNOCHARAX T^NIA. 

 Bouleng. Ann. Mus. Congo, Zool. ii. p. 28, pi. viii. fig. 3 (1902). 



Depth of body 4f to 5 times in total lengtli, length of head 4 times. 

 Head deeper than broad ; snout as long as eye, which is 3^ times in 

 length of head and equals interorbital width. Dorsal III 11-12, 

 originating well in advance of ventrals, situated at equal distance from 

 end of snout and from caudal, longest ray f length of head. Anal III 8. 

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



Pig. 220. 



Nannocharaoc tcenia. 

 Type (A. M. C). 



forked, with pointed lobes. Caudal peduncle nearly twice as long as 

 deep. Scales 48-49 -^-, 5 between lateral line and root of caudal. 

 Yellowish, with about 10 brown cross-bars on the back and sides ; 

 a greyish lateral band from end of snout to caudal ; a blackish spot at 

 base of caudal, another, smaller, on each lobe of this fin, and a blackish 

 line along the ventral. 



Total length 60 millim. 



Ubanghi. — Type in Congo Museum, Tervueren. 

 1. One of the types. Banzyville. Capt. Roy.aux (C!.). 



9. NANNOCHARAX DIMIDIATUS. 

 Pellegr. Bull. Mus. Paris, 1904, p. 220. 



Depth of body nearly equal to length of head, 4| times in total length, 

 Head once and ^ as long as deep ; snout slightly shorter than eye, 

 which is hardly 3 times in length of head and a little exceeds inter- 

 orbital width. Dorsal III 12, originating in advance of ventrals, a little 

 nearer end of snout than caudal, longest ray as long as head. Anal III 8. 

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

 peduncle a little longer than deep. Scales 52^, 6 between lateral line 



