The Fresh Water Fishes of the Island of Formosa. 245 



p. 83, PI. XII, Fig. i; Vang-tzc-kiang.- — Gunther, Ann. Mag. Nat. Hist., 



Sept., 1889, p. 223; Ichang.^Ann. Mag. Nat. Hist. (7), I, 1898, p. 362; 



Newchang. — Berg, Ichthyol. Amur., 1909, p. 154; Amur Provinces. 

 1872. Onychodon mantschuricus Dybowski, Verh. Zool.-Bot. Ges. Wien, XXII, 



p. 211; Ussuri. 

 1878. Hypophlhalmichthys dabryi Bleeker, Versl. en Medcdcl. Konin. Akad. 



Wetensch. Amst. (2), XII, p. 210. 



Head 3.58 in length; depth 3.25; D. 3, 7; A. 3, 12; P. I, 17; V. 8; 

 width of head 1.48 in its length; eye 6 in head; interorbital space 2; 

 snout 3.16; pectoral 1.30; ventral 1.48; one and fifteen scales in the 

 lateral line, twenty-eight scales in an oblique series between origin of 

 the dorsal and lateral line, twenty-one scales between the latter and 

 the middle of belly, fifteen scales between lateral line and the root of 

 ventral; pharyngeal teeth 4-4. 



Body stout, compressed, back rounded, abdomen strongly com- 

 pressed, with a sharp keel from throat to vent; head moderate, smooth, 

 postoperculum with radiated striae; snout blunt, obtusely rounded 

 anteriorly; mouth anterior, broader than deep, its angle not extending 

 to the orbit; lips rather thin; lower jaw slightly longer than the upper; 

 eyes rather small, anterior and inferior; nostrils close together, superior; 

 pharyngeal teeth stout, high, laterally compressed, inner surface with 

 a large oval concavity of brown color; gill-membranes strongly extend- 

 ing beyond the gill-covers united across the isthmus; gill-rakers con- 

 tinuous, forming a broad, crescentic, horny membrane, its basal portion 

 perforated. 



Origin of dorsal midway between tip of snout and base of caudal, 

 very short, anterior ray the longest, when depressed its tip reaching 

 beyond all other rays; pectoral fin armed with a smooth spine, reaching 

 the root of ventral; origin of ventral much in advance of that of dorsal, 

 rather slender, not reaching the vent; anal fin triangular, entirely 

 behind the dorsal, its origin nearer to that of ventral than base of 

 caudal; caudal fin deeply emarginate, tip of each lobe sharply pointed; 

 caudal peduncle elongate, its depth 1.5 in the length of head. 



Scales minute, cycloid; lateral line decurved, continuous, extending 

 along the middle of tail. 



Color in formalin grayish above, sides and belly silvery; dorsal and 

 caudal fins pale gray; upper surface of the pectoral speckled with fine 

 black spots, lower surface whitish; other fins whitish. 



Total length 370 mm. 



Described from a specimen from Shori, Toyen. 



