The Fresh Water Fishes of the Island of Formosa. 229 



of head and less than the interorbital width. IMouth ()l)li(iue. Dorsal 

 rays ten, seven branched, its origin behind the vcntrals and nearer 

 to the base of caudal than to the end of snout. Anal rays sixteen to 

 seventeen, thirteen or fourteen branched. Pectoral extending to the 

 ventrals. Thirty-eight to forty scales in a longitudinal series, seven 

 or eight in a transverse series from origin of dorsal to lateral line, three 

 between lateral line and base of ventral. 



Three small specimens, the largest 60 mm. in total length, from 

 Kagi, Formosa, collected by Herr Sauter. This species is very similar 

 to the Japanese /. steenackeri (Sauvage), which, however, has much 

 smaller scales. (Regan.) 



Habitat: Kagi. (Regan.) 



Remarks: Not seen. 



Genus Ctenopharyngodon Steindachner. 



1866. Ctenopharyngodon Steindachner, Verh. Zool.-Bot. Ges. Wien, p. 782. 

 (T^-pe LeuciscHS idella Cuv. & Val.) 



Body oblong. Scales of moderate size; lateral line complete, 

 running nearly into the middle of the side of tail. Dorsal fin short, 

 without spine, opposite the ventral, anal fin short. Mouth of moder- 

 ate width, anterior, with upper jaw somewhat longer. Both jaws 

 with simple lips, the lower distinct at the angle of the mouth only. 

 Upper jaw slightly protractile. Barbels none. Gill-rakers rather 

 short, lanceolate, rather widely set. Pseudobranchiae present. 

 The attachment of the branchial membrane to the isthmus takes 

 place behind a vertical from the orbit. Pharyngeal teeth 5, 2 — 2, 5, 

 those of the outer series very strong, strongly compressed, with the 

 outer layer deeply folded. (Giinther.) 



Distribution: Formosa; China; Amur Province. 



33. Ctenopharyngodon idellus (Cuv. & Val.). 

 Tsauhii (Formosa). 



1844. Leuciscus idella Cuv. & Val., Hist. Nat. Poiss., XVII, p. 362. — Richard- 

 son, Ichthyol. China, 1846, p. 297; Canton. — Bleeker, Mem. Cyprin. 

 Chine., 1871, p. 47; Canton; Yang-tze-kiang. 



1855. Leuciscus tschiliensis B.\silewsky, Nouv. Mem. Soc. Nat. Mosc., X, p. 233; 

 Northern China. 



1866. Ctenopharyngodon laticeps Steindachner, Verh. Zool.-Bot. Ges. Wien, 

 p. 782, Taf. XVIII, Figs. 1-5; Hongkong. 



1868. Ctenopharyngodon idellus Gijnther, Cat. Fish. VII, p. 261, China. — Ann. 

 Mag. Nat. Hist., Sept., 1873, Shanghai.— Peters, Monatsb. Konigl. Ak. 



