The Fresh Water Fishes of the Island of Formosa. 249 



Origin of dorsal nearer tij) of snout than base of caudal, armed with 

 two smooth spines, of wliirh the .second is very strong, anterior ray 

 longest; pectoral fin long, with a fleshy Hap, almost reaching the root 

 of ventral; ventral fin inserted in advance of that of dorsal, with a 

 scaly flap; anal fin elongate, rays numerous, entirely behind the dorsal, 

 posterior rays very low; caudal fin strongly emarginate, tip of each 

 lobe sharply pointed; caudal peduncle rather short, its depth 2.25 in 

 length of head. 



Scales moderate, cycloid; lateral line more or less decurved, ex- 

 tending along lower half of the tail. 



Color in formalin dark gray above, lower half of sides and belly 

 silvery; all the fins except ventrals dusky. 



Total length 207 mm. 



Described from a specimen from Tamusui River near Shinten, 

 collected by T. Aoki in December, 1916. 



Habitat: Tamusui River (Shinten and Heirinbi). 



Remarks: The present species is very closely allied wdth Chanodicli- 

 thys stenzi from Kiautschau, China, difi"ering from it in having a 

 smaller number of anal rays. 



Genus Culter Basilewsky. 

 1855. Culler B.\siLE\vsKY, Nouv. Mem. Soc. Nat. Moscou, X, p. 236. (Type 

 Culler alburnus Basilewsky as restricted by Giinther.) 



Body oblong, much compressed, the entire or postventral abdominal 

 edge being trenchant. Scales of moderate or small size; lateral line 

 without conspicuous curvature. Mouth directed upwards; barbels 

 none. Dorsal fin short, with strong smooth spines, inserted above 

 the interspace between ventral and anal; anal fin long, many-rayed; 

 caudal fin forked, pectorals elongate. Gill-openings very wide; gill- 

 rakers long, setiform. Pseudo-branchise present. Pharyngeal teeth 

 in a triple series, slender and hooked. Intestinal tract short. Air- 

 bladder tripartite. (Giinther). 



Distribution: China; Formosa; Corea; Amur Province. 



