352 CYPKINIM. 



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

 situated below posterior half of dorsal. Caudal deeply emarginate. 

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

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

 Brown or olive, somewhat lighter below, lower surface 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 bar; fins dusky, the dorsal lighter at the base, 

 which usually bears two to four black spots. 



Total length US millim. 



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

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



1-13. Ad., hgr., &yg. Bahardur, Luke Tsana. Mr. E. Degen (C). 



14-21. Ad.,hgr.,&yg. Zegi, 

 22. Skel. 



23-25. Yg., types of Lake Arsade, Adda Marquis 0. Autinori (C.) ; 



D. cJdarinii. Gallaland. Genoa Museum (P.). 



26-35. Ad. & hgr. Lake Zwai. Mr. P. C. Zaphiro (C.) ; 



W.N. McMillan, Esq. (P.). 



55 



rof. 0. Neumann and 

 Baron C. von Erlanger (C). 



30. Hgr. Akaki R., Hawash. 



37-38. Hgr. & yg. Suksuk R., „ Prof. 0. Neumann and 



3. VARICORHINUS. 

 Riipp. Mus. Senckenb. ii. p. 21 (1837) ; Bouleng. Fish. Nile, p. 190 (1907). 

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



p. 77 (1868) ; Bouleng. Poiss. Bass. Congo, p. 220 (1901). 

 Chondrostoma, part., Cuv. & Val. op. cit. xvii. p. 381 (1844). 

 Dillonia, Heckel, Russegger's Reise Egypt, iii. p. 285 (1846). 

 Gymnostomus , part., Heckel, t. c. p. 287. 



Onychostoma, Giinth. Ann. Mus. Zool. St. Petersb. 1896, p. 211. 

 Pterocapoeta, Giinth. Novit. Zool. ix. 1902, 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 exposed 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 ossified ray, with 

 11 to 14 rays, 8 to 11 of which are branched. Anal fin short, with 7 or 



