JORDAN AND THOMPSON: FISHES OBTAINED IN JAPAN IN 1911. 307 



366. Pseudorhombus cinnamomeus (Temminck & Schlegel). 

 Shimonoseki, No. 6405a. 



367. Pseudorhombus ocellifer Regan. 

 Shinabara, Misaki, No. 6192a-c. 

 D. 74; A. 54. Scales 64. 



368. Tarphops oligolepis (Bleeker) gen. nov. (Plate XXXIX). 



The genus Tarphops, based on Pseudorhombus oligolepis Bleeker, is closely 

 allied to Pseudorhombus Bleeker, differing in its much larger scales, these being 

 about forty in a lateral series instead of from sixty to eighty. The lateral line, as 

 in Pseudorhombus, has an accessory branch and an arch; eyes close together on the 

 left side; species only attaining a very small size. 



We here describe two small specimens, the longest seventy-four millimeters 

 in total length, from Misaki, No. 6010a, and 6455a. The description given by 

 Gtinther is not complete, nor is the generally inaccessible original description by 

 Bleeker. The species has not been found since the original specimen, sixty-four 

 millimeters in length, was described. 



Head 3.5 in body-length, without caudal; depth 1.9; lower eye 4 in head; 

 snout equal to eye; maxillary 2.5 in head; dorsal rays, sixty-two; anal, forty-eight; 

 scales in lateral series, forty; pores in lateral line, forty-two; scales in transverse 

 series in deepest part of body 13/14. 



Eyes very close together, on left side; interorbital ridge very narrow, and but 

 slightly elevated; upper eye slightly in advance of lower; maxillary nearly vertical; 

 •premaxillary processes forming a marked convexity, or knob, in the profile of the 

 snout; teeth very small, in a single row, those on the lower jaw slightly curved; on 

 blind side of upper jaw, thirty; on eyed side, thirty-four; on blind side of lower jaw, 

 eighteen, on eyed side, twenty-six; none on vomer or palatines; gill-rakers 7-)- 16, 

 long and slender, longest equal to half diameter of eye; anterior nostril of both sides 

 with a flap. 



Dorsal fin inserted opposite anterior edge of eye, highest at about thirty-fifth 

 ray, which is 2 in head; all the rays simple; anal similar in form and height; caudal 

 rounded, middle rays equal to length of head; pectoral slightly shorter, with ten 

 rays; ventral of eyed side along edge of abdomen, as long as diameter of eye; ventral 

 of blind side removed from edge, slightly longer than other; pectoral of blind side 2.2 

 in head. 



Scales ctenoid on both sides of body, present everywhere save on snout and 

 tips of jaws; those on interorbital space in one row, extending along front of upper 

 eye; wide-set scales on each ray of dorsal and anal fins, other fins naked. 



