352 CYPKINID.E. 



or a little shorter than head, widely separated from ventral, which is 

 situated below posterior half of dorsal. Caudal deeply emarginate. 



5—6- 



Caudal peduncle about 1^ times as long as deep. Scales 37-42 ^^^h 3-4 

 between lateral line and root of ventral, 16-18 round caudal peduncle. 

 Brown or olive, somewhat lighter below, lower surflice of head yellowish ; 

 usually a small black spot behind the gill-opening ; a more or less 

 distinct dark spot or blotch on the caudal peduncle, separated from the 

 caudal fin by a yellowish bur; fins dusky, the dorsal lighter at the base, 

 which usually bears two to four black spots. 



Total length 118 millim. 



Lake Tsana, Lake Arsade, Lake Zwai, upper tributaries of lluwash 

 River. — Types in Senckenberg Museum, Frankfort (M ). 



1-13. A(J.,ligr., &yg. Bali;.nl,w, Like T-an:i. Mr. K. Di-^en (C). 

 14-21. A.LJior.,&yg. 

 22. Skel. 



23-25. Yg., types of Lake Arsradt;, Adda ^laKpiis O. Aiitiiiori (C.) ; 



Ik chlarinU. Gallalaiul. Genoa Mu.seum (P.). 



2r)-35. Ad. k hgr. Lake Zwai. :\Ir. V. < '. Zapliiro (C.) ; 



W.N. McMillan, E:>q.(P.). 



rof. 0. Nouinann and 

 Baron (.". \<n\ Erlanger (<".). 



3(;. iigv. 



37-38. lln-r. k xa. Snksuk I v., ,, Prof. 0. Nouniann and 



3. VAEICORHINUS. 

 Kupp. ]\Ius. Senckenb. ii. p. 21 {l^'M ) ; Bouleng. ViAx. XHe, p. 100 (1007). 

 Capoeta, part., Cuv. & Val. Hist. Poiss. xvi. p. 278 (1842) ; Giiuth. Cat. Fish, vii 



p. 77 (18G8) ; Bouleng. Poiss. Bass. Congo, p. 220 (1901). 

 Chondrostoma, pari., Cuv. k Val. op. cit. xvii. p. 381 (1844). 

 Dillonia, Ileckel, Ru^segger's Reise Egypt, iii. p. 285 (18ir»). 

 Gi/mnostomus, part., Heckel, t. c. p. 287. 



Oni/chostoma, Giinth. Ann. Mus. Zool. St. Petersb. 1896, p. 211. 

 Pterocapoeta, Giintli. Novit. Zool. ix. 1002, p. 446. 



Body strongly compressed, covered with small, moderate, or large 

 scales. Lateral line nearer the belly than the back, but running along 

 the middle of the caudal peduncle. Mouth large, inferior, transverse, 

 feebly protractile, without lips, the upper jaw partly covered by a rostral 

 fold, the lower completely exp()sed and showing a sharp cutting-edge 

 covered with a horny sheath ; barbels present or absent. Suborbitals 

 not covering the cheek. Dorsal fin with or without ossitied ray, with 

 H to 14 rays, 8 to 11 of whirh are hrar.clied. Anal fin short, willi 7 or 



