The Fresh Water Fishes of the Island of Formosa. 239 



Origin of dorsal at a point midway beween lij) of snout and base 

 of caudal, slightly behind that of ventral, fin short and high, its ray 

 not exceeding the length of head; pectoral elongate, scarcely reaching 

 the root of ventral; ventral fins reaching the origin of anal; anal fin 

 rather long, its middle rays considerably elongate, when depressed 

 reaching beyond the root of caudal, furnished with horny tubercles; 

 caudal fin forked, rather long; depth of caudal peduncle 2.5 in length 

 of head. 



Scales thin and cycloid; lateral line strongly decurvcd, extending 

 along lower half of the tail. 



Color in formalin dark gray above, paler below; belly and lower 

 part of sides silvery; sides with ten black cross-bars and two irregular 



Measurements of Zacco temminkii. 



Locality. 



Ij c 



Ako 



Ako 



Tamusui River. . . 



Giran River 



Heirinbi 



Inzanpo 



Inzanpo 



Tensonpi 



Suwo 



Shimotamusui R. . 



Shimotamusui R . 



Sobun River 



Rigyokutsu 



Lakusui River . . . 



Lakusui River . . . 



Taihoku 



(Z. pachytephalus) 



S. 12232 (7720) . 



Suwata 



(Z. pachycephalus) 



S. 12076 (7720) . 



4 



3.80 



3-30 



3-87 



3-33 



4 



3-6o 



3-50 



3-72 



4 



4 

 3-82 



3-75 

 3-33 

 3-31 



3.60 



3-6o 



4-50 



3-8o 



4-25 



3-31 



3.88 



3-71 



4- 



4.66 



4.14 



4 



3.89 



4 



3-75 



2-75 



3 



3 



2.66 



3 



3 



3 



3-25 



3 



3 



2.75 



3 



3 



3 



3-25 



3 



3 



3.18 



3 



3 



3 



3 



3-25 



3 



3 



3-33 



3 



3-25 



3 



3 



n, 7 3.9 15 



3-75|n. 7|3.9 15 



3-25 3 



3-75 

 4-SO 

 5 



4. 4. I— 

 1.4. 5 



4.3. I— 

 1.4.5 



4.4. I— 

 1,4.4 



4. 4. I— 

 1.4.5 



4-50 



4 



5 



4-33 



4-75 



3-5 [4.4. I- 

 1.4. 5 



3.66I4, 4, I- 



i 1.4.5 

 4. 4. I— 



1.4.5 

 4. 4. I— 



1.4.5 

 4.4. I— 



1.4.4 



4-50] 



96 



92 



125 



145 



117 

 108 

 130 

 no 

 no 

 86 



80 



97 



100 



100 



