NO. isas. 



JA PANESE CA TFISHES-JORD. I .V A XT) FO WLER. 



905 



^'er,se band; 8 barbels, the nasals and median mentals about ecjual, 

 shorter than the outer mentals; which arc not as long as the inaxil- 

 laries, the latter reaching- l)eyond the gill-openings, and all of the 

 mentals rather evenl}^ distributed; lips moderately thick; interor])ital 

 space broad, flattened, and \'ery slightly elevatexl; anterioi- nostrils 

 tubular and in a shallow depression. Gill-openings large, tlie mem- 

 brane deeply notched and forming a free fold across the isthmus; the 

 isthmus broad. Gill-rakers narrow, 3+9. 



Body smooth, top of the h(\ad smooth, the occipital proct>ss and tlu> 

 plate in front of the spinous dorsal finely striate or granular; humeral 

 process finely granular. 



Origin of dorsal in advance of tip of pectoral spine, its spine long, 

 sharp, smooth, and shorter than the longest rays; base of anal long, and 

 its origin nearer the posterior margin of eye than tip of caudal; caudal 

 shorter than head, deeply forked, the lo])es soiu(>what pointed, and the 



Fig. 1.— Fluvidraco ransonneth. 



upper the longer; pectoral equal to head without snout, the spine 

 smooth, except along its posterior edge, which is armed with strong 

 recurved teeth; ventrals ))road and reaching origin of anal; adipose fin 

 long, though less than the base of the anal, and its posterior edge not 

 adnate and not extending beyond posterior tip of anal, its form nmch 

 as in Ameiurus. Anal papilla developed. Lateral line present. 



Color brown, darker above, the abdomen and lower surface of the 

 head pale or whitish; the edges of the dorsal, anal, caudal, pectorals, 

 and ventrals broadly blackish. 



Length 5f inches. 



Rivers of Japan, common southward. Our specimens arc from 

 Waka River, near Wakanoura, Tsuruga, Matsubara on Lake Biwa, 

 Lake Togo in Mino, the Yodo River in Osaka, and Nagoya in Owari. 

 the last from the collection of K. Otaki. 



(Named for Baron Ransonnet. who obtained the species at Osaka.) 



