The Fresh Water Fishes of the Lsland of Formosa. 203 



Body covered wilh large scales with line concentric rings and 

 radiated striations; lateral line straight, extending along the middle 

 of sides from upper part of gill-opening to the base of caudal. 



Color in formalin uniformly dark grey above, paler below; sides of 

 body below the lateral line yellowish white; lower parts of body 

 together with the pectoral, ventral, and anal white; dorsal and caudal 

 fins dusky; most of scales provided with a black spot on the base. 



Total length 280 mm. 



Described from a specimen from Taihoku, collected by Oshima in 

 October, 1916. 



Habitat: The present species is common throughout the island; and 

 is the most important food-fish among the Chinese people. 



Measurements of Cyprinus carpio. 



Locality. 



Taihoku 



Tensonpi, Giran. 



Inzanpo 



Maruyama 



Genus Labeo Cuvier. 

 1 81 7. Labeo Cuvier, Regne Animal, p. 192. (Type Cyprinus niloliciis (Forskal) 



Geoffrey). 

 1842. Rohita Cuv. & Val., Hist. Nat. Poiss., XVI, p. 242. (Type Cyprinus 



nandina Hamilton.) 



Body oblong, more or less compressed. Snout broadly rounded 

 or obtusely pointed, prominent, mostly covered with tubercles or 

 pores and sometimes having a lateral lobe or projection, its anterior 

 pendulous border forming an entire, or superficially incised, rostral 

 fold. Mouth moderate or large, protractile, inferior. Lips thick, 

 continuous, the upper and the lower one fringed, lobed, or not lobed. 

 The lower lip is distinctly separated by a deep groove from isthmus, 

 or this postlabial groove is divided by a broad or narrow connection 

 between isthmus and lip, and therefore restricted to behind the 

 lateral part of the lower lip or even to the corner of the mouth. Lower 

 lip with an inner transverse fold. Jaws with a fleshy covering carrying 

 a deciduous horny sheath. A pair of rostral and maxillary barbels, 

 one of them may be absent. Eye with a free circular rim. Dorsal 

 elongate, without osseous rays, commencing before ventrals and 



