836 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. xxyiij 



weak, flesh}-, r.nd in moderate number; gill filaments long; pseudo- 

 branc'hia"' well developed. Intestine with a single convolution. Peri- 

 toneum silvery. ' 



Scales large and cycloid, none on the breast; no pectoral flap; ven- 

 tral flap short. 



Origin of the dorsal nearer the tip of the snout than the base of theij 

 caudal by the length of the snout, and the upper edge of the iin greatly ; 

 convex on account of the great length of the median rays, so thati 

 wh(Mi it is depressed it reaches posteriorly nearly to the base of the 

 penultimate anal ray, and its length is equal to 2f in the bod}^ with- 

 out caudal; origin of anal at about the last two-fifths of the space 

 between origin of dorsal and base of caudal, and Avhen depressed 

 reaching about to the latter; caudal rather deeply emarginate, and 

 the lobes pointed; pectoral long, the first rudimentary ray stout and 

 strong, and the tip of the fin reaching bevond the origin of the dorsal. 



Fig. 5.— Abbottina psegma. 



l)ul not (juitc to the base of ventral; \ entrals inserted a little nearer 

 origin of anal than that of pectoral, and reaching for two-thirds the' 

 space to the former. Caudal peduncle rather short and compressed, 

 its least depth 2| in head. Lateral line slightly decurved on the 

 first 3 or -t scales, after which it is straight and continuous. 



Color in alcohol, dark, rich brown above, below whitish and silvery, 

 and the sides and upper surface specked and spotted with dark brown, 

 very distinct on the latter; dorsal and caudal with narrow, blackish 

 crossbars, the pectoral also with l)lackish spots above, and the veii- 

 trals and anal pale; axil of pectoral with a black spot; lips and barbels 

 pale; length 4^ inches. 



Type No. 7721, Ichthyological Collections, Leland Stanford Junior 

 University Museum. Locality, Yodo River at Osaka in Settsu. 

 Cotype No. 50765, United States National Museum and Nos. 7721, 

 7148, Leland Stanford Junior University. 



