384 



FLATFISHES (HFTEROSOMATA) 



p. 15, fig. 98 : Berg, 1916, Poiss. 

 1930, iiuU. Par. Sci. Fish. Inst., ' 



douces Kuss., p. 472, fig. 355 ; 

 109, fig. O3; Schmidt, 1931, C. I 



I'lG. 27i.~Plalichlhvs sIMitus. 11, M. (\.H.) 81.3. 



X J. P-, lower pha 



Very close to P. flesiis. Iiiterorbited ridge .iluay.s with tubercles ; postocular 

 ridge ending in a sharp bony prominence above the operculum. 8 to 10 gill-rakers on 

 lower part of anterior arch ; width of lower pharyngeals 3! to 3J in length ; their inner 

 edges angular, approximated ; teeth obtuseh' conical, arranged in several rows, those 

 along the posterior edge of each pharyngeal rather higher and more close-set than the 

 remainder. Scales nearly all replaced by tubercles, only a few embedded cycloid 

 scales on both sides of hinder part of body ; spinous tubercles scattered and generally 

 more widely separated than in P. flesus ; in addition to the series at bases of donsal 

 and anal fins, they are developed on the head and over the greater part of the body, 

 being mainly absent, however, towards its edges ; on the blind side the tubercles are 

 mainly confined to the bases of the fins and the region of the lateral line. 66 to 76 

 pores in lateral line. Dorsal 56-62. Anal 40-46. Length of pectoral 2 to 25 in that 

 of head. Caudal peduncle generally longer than deep. Vertebra; 35 (12-1-23). 

 Brownish or blackish, with or without some paler markings ; dorsal and anal fins 

 each with 4 or 5 deep black vertical bars, which are more di.stinct on blind side of fins ; 

 posterior part of caudal with 3 or 4 black horizontal bars. 



Tvpi;. — Zoologisches Museum der Universitat, Berlin (?). 



nisTRiHUTioN. — North Pacific, southwards to Tokyo, Corea, and southern 

 California. 



