The Fresh Water Fishes of the Island of Formosa. 193 



Color in formalin pale grey above, lower parts and belly yellowish 

 white; sides with two rows of dark blotches, the u])per one forming a 

 continuous longitudinal band anteriorly, blotches of the lower row 

 larger; between the two rows a narrow paler marbled brown streak, 

 occupying the anterior half the interspace; eight blotches of dark 

 brown between the nape and the origin of the dorsal, seven more 

 between the latter and the base of the caudal; base of the caudal above 

 with a jet-black spot; dorsal and caudal fins with several rows of dark 

 small spots; other fins whitish; head marbled and spotted with brown 

 above; back with mottlings; a black streak from eye to snout. 



Total Length 122 mm. 



Described from a specimen from Shinchiku, collected by T. Aoki 

 on September 17, 1916. 



Habitat: Shinchiku; Jitsugetsutan (Lake Candidius) ; Rigyokutsu. 

 Nanto; Maruyama, Giran. 



Remarks:T\\e markings of the present species are more or less 

 variable. The other example from Shinchiku has the brown blotches 

 on the sides distinctly separated into spots, while the example from 

 Rigyokutsu has the upper blotches on the sides merged into continuous 

 longitudinal bands. 



Measurements of Cobitis tcenia. 



Locality. 





Shinchiku. . . . . 



Shinchiku 



Jitsugsetsutan. 

 Rigyokutsu . . . 



6.16 

 6.18 

 7-50 

 6.88 



5-33 

 5-66 



5 



5 



122 

 82 

 82 

 67 



Family HOMALOPTERID.'E. 

 Artificial Key to the Formosan Genera. 



a. Body elongate, rather high, anterior part depressed; mouth inferior; upper Up 

 fleshy, with a distinct inner fo'd; barbels numerous, one pair of maxillary, two 

 transverse series of minute ones on upper jaw, and three pairs on the lower 

 jaw; dorsal fin inserted in advance of the ventral; pectoral with one simple 



outer ray, horizontal Formosania. 



aa. Body much depressed, nearly twice as broad as high; mouth inferior, with 

 fringed upper lip; six barbels, two pairs on the extremity of the snout, the other 

 at the angle of mouth, minute and subequal; dorsal fin inserted behind the 

 origin of the ventral; pectoral with eleven simple outer rays, subhorizontal. 



Heminiyzon. 

 14 — DEC 17, 1919. 



