sii.rHin.K. 299 



a spare equal to '2^ to -ij timrs its base. Anal ]o-14, 8-9 rays branched. 

 Pectoral spine about \ length of head, strongly serrated on inner side. 

 Caudal deejdy forked, with pointed lobes, longest rays 2f to 2^ times 

 length of median. Cauda) peduncle H times as long as deep. 



Total length 37G niillim. 



T/.ikc Tanganyika. — T\pes in N'ienna Museum. 



("li)s;ely allied to f. Khrrrpii. bnt head and adipose doi>,al fiii larger. 



:'.. CHiiVsHllTllVS ACKTIliiiSTHlS. (;il,r. 

 Add :^ 



•l-:\. .\.l. .^ v;;-. gu;m/a 1{. .-.t Ilomlo. Pr. W. .1. Ansorge (0.). 



•1. Ad. l,iu-iill:i U. ;it Kalciifia. ,. 



5-7. \i\. k yg. BfUiio ]{. at Cahiii. ,, 



J<-ll!. All.. lij;r.. >$: yi;-. .. .. (jliiit'aii^oiuld. ,, 



•J. (•IlliVSK'HTIlYS ITKM ATI'S. Gtlir, 



Add :— 



UK A(J. Lcliiizi II (Cliiloaiijfo) at l>i-. \V. .1. Ansorge (('.). 



Kuka Miiiii). 

 11. AJ. (ielia R. at H;it'ata. Portiiji-. „ 



Uiiinoa. 



4«. CHHYSICHTliYS BtJCAtJll. 

 Boulcng. Ann. & Mag. N. H. (S) vi. UHt). p. 557. 



Depth of body 4^ to 4f times in total length, length of head 3^ times. 

 Head moderately depressed, H times as long as broad, its upper surface 

 sliglitly rugose, covered with thin skin; occipital process narrow, 

 extending to the small interneural shield ; snout obtusely jiointed ; eye 

 3^ to 4 times in lengtli of head, 1^ to 1^ times in interocular widtli; 

 mouth inftrior, its wiiltli 2-^ times in lengtli of iiead ; ]>iaMna\illar\ l)aml 

 of teeth nearly straight, 3 times as long as broad ; Vdmero-pterygoid 

 teeth not nitich developed, forming a narrow band interrupted in the 

 middle; nasal baibel 1 to 1 -t diameters of evi'. maxillarv IJ- to 14- 

 leuiiths of licad, outer mandibular ?^ to f, inner mandiliular f to ^. 

 fiill-iakers latlier long, 10 to 17 on lower part of anterior arch. 

 Dorsal 10, l| to l-j as distant from root of caudal as from end of snout ; 

 spine strong, feebly serrated beliiud. j lengtli of liead ; first aiul second 

 solt rays longest, as long as head, reacliing or nearly reaching adipose 

 fin when folded ; adipose fin as long as base of rayed dorsal, ^ as long as 

 its distance from latter. Anal 13, rays braiuhed. Pectoral shorter 



