NO. 1484. JAPANESE FLO UNDERS AND SOLES— JORDAN 1- STA RKS. 183 



slender, length of longest 4 in maxillary; anterior nostril with a der- 

 mal flap which extends to posterior edge of second nostril; anterior 

 margins of eyes opposite each other; interorbital space narrow, con- 

 vex; lateral line arched above pectoral, the width of arch equal to 

 length of pectoral; right side of body and head, except snout, lower 

 jaw, and a small space near vent, covered with .small, strongly ctenoid 

 scales; left side of body with smooth scales; on both sides of ))odv are 

 small, elongate scales wedged in between the larger ones; rays of dor- 

 sal, anal, and caudal tins with small scales; posterior edge of maxillary, 

 with a few small scales; dorsal tin beginning over anterior edge of 

 pupil, each ray with a small, projecting filament; anal with a naked 

 spine at its insertion, i*ays with filaments; dorsal and anal ending 





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Pig. 6.— Xystkias urigobjewi. 



opposite each other; edge of caudal l)luntly angular; upper rays of 

 right pectoral longest; pectoral of blind side shorter, its length con- 

 tained 2iT in head, its middle rays longest. Color in alcohol, brown- 

 ish; head with an indistinct dark spot just below angle of preopercie; 

 two similar spots on a line behind upper eye; bod}^ with 6 well- 

 defined dark spots with indistinct light markings, arranged 3 above 

 and 3 below lateral line; of the anterior pair, the upper is a little in 

 advance of the lower one, others opposite each other; 2 indefinite 

 spots above the lateral line, just posterior to angle of opercle; fins 

 without spots; snout on blind side with a transverse black blotch, 

 which is continued on the lower jaw. 



Of this common species we have specimens from Hakodate, Matsu- 

 shima, Aomori, and Tokyo. Mr. Masao Nakamura sends a photograph 

 of a specimen from Uzen in Echigo. 



(Named for Professor Grigorjew.) 



