904 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvi. 



three-fifths the leiig-tli of tlie fin; pectorals not reacliini*- the Acnti-als, 

 which are shorter and reach beyond the origin of the anal; tall sliuhtly 

 eniaroinate, the lobes distinctly rounded and the upper projecting- a 

 little. 



I.iateral line present. Anal papilla present. 



Color, in alcohol, brown, the middle of the back darker; lower sur- 

 face of the head and the abdomen whitish. 



Length 10^ inches. 



This description from a specimen from Tok3'o, collected b}' K. Otaki. 



China and Japan, our specimens from Tokyo, collected 1jy K. Otaki, 

 Niigata, Morioka, Tana liiver, Kawatana, Sendai, Ichinoseki, ('hi- 

 kugo River at Kurume, Tsuchiura, Lake Biwa at Matsubara, and 

 Formosa. 



This lai'ge catfish is very conmion in all the streams of middle and 

 southern Japan, reaching a length of 2 or 'A feet. It is largely used 

 as food. The Japanese species {Paradhinis jaj>on!cm) is considered 

 by authors, doul)tless correctl}^, as identical with ParasilvntK ((sotus, a 

 species W'idei}^ distributed in eastern Asia. 



{asotm, a sot.) 



4. FLUVIDRACO Jordan and Fowler. 

 Fluvidraco Jordan and Fowi.er, new genuH {rnnsomiefii) . 



This genus is close to l^cndolxigi-HXi^ difiering in the deeply forked 

 caudal and in having the top of the head I'ough and gi-anulated, the 

 covering skin being very thin. Kivers of Japan and China. The 

 "Yellow Dragon" of OA.\\io\\, Fh(vidr((e(> fidridraco (Richardson), 

 seems to belong to this genus. 



{jiuviu!<^ I'iver; draco., dragon.) 



a. Outer edge of pectoral spine without serrations; bony occipital bridge and hume- 

 ral processes granulate and covered with thin skin; anal rays 20.. vnisomieii, 4. 

 aa. Pectoral spine strongly serrated (along both edges?); head granulated above; 

 anal rays 23 tmdiceps, 5. 



4. FLUVIDRACO RANSONNETII (Steindachner). 



Pseudobuijins rduKoimetil Steindachner, Fische Japans, IV, 1887, j). 287; Osaka. — 

 Jordan and Snyder, Annot. Zool. Japan, III, 1901, p. 44. 



IWudobii</rus fiilridraco Ishikawa, Prel. Cat., 1897, p. 2'A (not of Kichardson); 

 Lake r)iwa, Hikone, Yamashiro, Tosa; Katsnura R. 



Head 4i in length; depth (>; 1). 1, 7; A. 20; 1'. 1, 7; V. (>; width of 

 head 1^ in its length; eye 5 in head; 1^ in snout; 2i in interorbital 

 space; pectoral l^r; ventral a little more than half the head. 



Body elongate, compressed. Head broad, depressed; snout broad, 

 obtuse, depressed, and flattened above; eye moderate, anterior lateral, 

 and more or less covered with the skin of the head; mouth very broad, 

 transverse, and its width about 2f in the head; teeth in broad villiform 

 })ancls in the jaws, and th(> i-oof of the mouth also with a ]»road trans- 



