CHETSICHTHrs. 



129 



[). CHRYSICHTHYS BREVJBARBIS. 



C]mi.<nha(nni.s },reviharhl'i, Bouleno-. Ann. Mus. Congo, Zool. i. p. 40, pi. xxi. Hg. 1 



(1899). 

 Clnnjsichfliiis lireviharhis, Bouleno-. Poif^s. Bass. Congo, ]). 290 (1901). 



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

 Head much depressed, IJ to 1^^ times as long as broad, feebly striated 

 and granulated on the occiput ; occipital process in contact with iuter- 

 neural shield ; snout truncate, projecting slightly beyond lower jaw, its 

 length nearly J of head ; eye 3 (young) to 5 times in length of head, ^ to 

 J interorbital width ; width of mouth 3 times in length of head ; pne- 

 maxillary band of teeth feebly curved, 4 to G times as long as broad ; 

 two short bands of vomerine tei^h, separated by a narrow interspnce ; 



Fis. 257, 



Cli ri/i-icJi tlnji; hrc vifiarlns. 

 Type (A. M. C). |. 



nasal barbel not J diameter of eye ; maxillary barbel slightly longer than 

 head ; outer mandibular barbel about once and ^ as long as inner. Gill- 

 rake]s moderate, 17 on lo\Aer part of anterior arch. Dorsal I G, H to 

 If times as distant from root of caudal as from end of snout; spine a 

 little shorter than head, smooth or feebly serrated bcliind ; first soft ray 

 longest, nearly as long as head. Adipose fin twice as long as deep, its 

 base equal to tliut of rayed dorsal, from which it is separated by a space 

 equal to IJ to 2 times its length. Anal 12, U rays branched. Pectoral 

 spine J length of head, strongly serrated on inner side. Caudal deeply 

 forked ; lobes long and pointed, outer rays 3 times as long as median. 

 Caudal peduncle about twice as long as deep. Uniform brownish. 



Toial l(Mioth 440 miiliin. 



Congo. — 'rv{)(^ in Congt^) Museum. 'rer\'U('i"en. 

 1 Hgi. .Moii.-pinl-ip, Pi'p. ' 'ongo. Rp\. 1. II. Wock- l P.). 



