234 



Annals of the Carnegie Museum. 



Scales moderiite, imbricated; lateral line incomplete, visible only 

 on four or five scales near gill-openings. 



Color dark gray above, paler below; lower parts of the sides bluish 

 anteriorly; scales on the back and sides with black edges; a black 

 lateral band runs along the middle of the posterior half of the side, 

 commencing near the origin of the dorsal below; a black spot above the 

 gill-opening and a dusky cross-bar on the shoulder; dorsal and caudal 

 fins dusky, the pectoral and ventral whitish, anal fin pinkish. 



Total length 68 mm. 



Described from a specimen from Taihoku, collected by Oshima 

 in September, 1916. 



Habitat: Abundant in the ponds and rivulets near Taihoku. My 

 specimens came from Taihoku and Nanto. 



Measurements of Rhodeus ocellatus. 



Locality. 





Taihoku 

 Taihoku 

 Taihoku 

 Taihoku 

 Taihoku 

 Taihoku 

 Nanto. . 



4.23 2.28 

 3.91J 2.60 

 3.90 2.29 

 3.80 2.37 

 4 I 2.52 

 3.80 2.22 

 4- 40' 2.25 



68 

 55 

 50 

 48 

 46 

 50 

 55 



Genus Z.\CCO Jordan & Evermann. 



1902. Zaffo Jordan & Evermann, Proc. LI. S. Nat. Mus., XXV, p. 322. (Type 

 Leucisciis platypus Temminck & Schlegel.) 



Body moderately elongate and compressed; head compressed; 

 guout conical, pointed; eyes moderate; mouth oblique, not notched; 

 no barbels; teeth 5 or 4, 4, and 2 or i — ^i of- 2, 4 and 4 or 5; interorbital 

 space convex. Intestine short. Peritoneum black. Scales cycloid, 

 narrowly imbricated, forty to sixty in the lateral line. Dorsal nearer 

 tip of snout than base of caudal, or midway between, its developed 

 rays seven; anal inserted below, or a trifle before, tip of depressed 

 dorsal; its basis long, and composed of nine or ten developed rays; 

 caudal cmarginate; pectorals sometimes reaching ventrals; ventrals 

 inserted a little before or below the origin of dorsal. Lateral line 

 continuous and decur\-ed. Breeding males have the head, the lower 

 surface of the caudal peduncle, and the anal fin furnished with horny 



