sii,ri;ii».i:. 303 



7. CllHY.SUilTllV.S ALKATL'S. (i.M.lVr. 

 IVllo;;r. l\,\^-. n.i". LVha.i, |). '.tS, fig. (I'.IU). 



1(1. CHUVSKlirilVS l,()Ne;il'.AK BIS, Blur. 

 Add : — 

 ."). \'g. Leoiioldvillo. Messrs. Dubois and Moiiclu't (C). 



II ,,. (•nl;^■sl(■llTllVs Tiiox'xKur. 



Sioind. An/. Ak. W'wu. I'M'J, y. 1 h'.. aii.l D.-nk^dir. Ak. Wicn. Ixxxix. I'.U;?, 

 ,.. .v.. ,d. V. 



J)cptli of l)()(ly 1 to 4.\ times in total Iciiuth. lenyili of head 2j- to 

 2;'; tiiiios. Head nearly 1 .^ times a> loiiiias broad. nii;o>e aliovc ; occipital 

 ])rocess a little longer than bioad, in contact with the small interneural 

 shield; snont ronnded-snhtMnn ale, nearly twice as broad as long ; eye 

 4i times in length of head, interorbital width 3^ to oj times; width 

 of mouth nearly twice in length of head ; praMnaxillary band of teeth 

 very feebly curved, yf to 5| times as long as broad : teetli on palate 

 forming a long band, narrow 1) interni[ited in the middle; nasal barbel 

 o to ■");!, times in lenizth of head, maxillary 1^ to 1^, outer mandibular ]| 

 to ly, inner mandibular oi. Dorsal I 7, 1 1 times as distant from caudal 

 as from end of snout ; spine very feebly serrated beiiind in its upper half ; 

 first soft ray longest, as long as or a little longer than head. Adipose 

 dorsal a little sliortcr than its distance from rayed dor>al. Anal 12-lo, 

 8-9 rays branched. Pectoral nearly | length of head ; spine strongly 

 serrated on inner border. Caudal deeply notched, longest rays about 

 twice as long as median. Caudal peduncle 1| times as long as deep. 

 .\ dark l)and across occiput, another below anterior part of dorsal. 



Total length 2o5 millim. 



Ja River (Congo System), South Cameroon. — Types in \*ienna 

 Museum. 



Apparently closely allied to C. (hittuni. 



17. CHRYSICHTHYS OK NAT US, Bl err. 



Steiiid. Dc>nk>chr. Ak. Wirn, Ixxxix. T.U:^. ]-. ^^'^. 



Add :— 



I. V;;. S;,nkuru ]\. at Koiidac, Kasu. 31. E. i>iija (<'.) : Luxenibur;: 



!Miisciun (1*.). 



