GENUS AND TEN NEW SPECIEÖ OF JAPANESE FISHES. 13 



Nostrils close together ; anterior nostril with a flap on posterior 

 edge. Mouth subiuferior, oblique ; lower jaw slightly longer than 

 the upper ; maxillary extending to anterior nostril, its barbel 

 equal in length to half diameter of eye. Dorsal inserted mid- 

 way between tip of snout and root of middle caudal rays. Anal 

 below eighth ray of dorsal. Rays of both dorsal and anal far 

 from base of caudal. Pectoral inserted low, scarcely extending 

 to base of ventral. Ventral not reaching to anal. Caudal bilobed. 



Scales large, cycloid. Lateral line incomplete, not infre- 

 quently interrupted in its course by scales without pore ; the 

 last pore on about the 17th scale ; pores sometimes restricted to 

 a few anterior scales onl3\ 



Colour in formalin brownish, with darker edge to each scale, 

 paler beneath ; blackish-punctate throughout body. A brown 

 shoulder spot slightly smaller than pupil of eye very distinct. 

 A very narrow lateral stripe faintly visible. A longitudinal stripe 

 on top of back before dorsal fin. Dorsal closely black-punctate 

 so that the fin appears dark brown ; a white band near the 

 margin, with very narrow black margin. Anal same in pattern 

 as dorsal, the brown colour being fainter and the black edge 

 more distinct and broader. Pectoral and ventral pale, the latter 

 with black tip. Caudal brownish ; the middle of its posterior 

 margin sometimes, but not always, blackish. 



The species ver}^ closely resembles Rhodeuîi tanago Tanaka, 

 but differs from it in having more slender body, distinct shoulder 

 spot, and black-tipped ventral. 



Three specimens were collected by ]\Ir. Suzuki at Obama in 

 Province Kadsusa (southeast of Tokyo) in February 1908. One 

 of these specimens is registered as the type under No. 1860 in 

 the University collection. One more specimen was captured by 



