PAKALICHTHIN^ loi 



Depth of body a little more than twice in the length, length of head 3J. Upper 

 profile of head a little notched in front of upper eye. Snout about as long as eye, 

 diameter of which is 4J in length of head ; lower eye very slightly in advance of 

 upper, which is separated from edge of head by a space equal to about J its diameter. 

 Maxillary' extending to below posterior part of eye, length about ^ that of head ; 

 lower jaw scarcely projecting, if in head. Lateral teeth of upper jaw small and rather 

 close-set ; 3 or 4 pairs of strong canines anteriorly ; lateral teeth of lower jaw much 

 stronger and wider apart than those of upper jaw ; 12 to 14 teeth on blind side of 

 jaw and one or two canines anteriorly. Gill-rakers of moderate length ; 9 or 10 on 

 lower part of anterior arch. Scales ctenoid on ocular side, cycloid on blind side : 

 76 to 79 in lateral line, Supratemporal branch of lateral line extending towards 

 eighth ray of dorsal fin. Dorsal 68-70 ; commencing above space between nostrils 

 of blind side, and at a distance in front of eye equal to more than J its diameter. 

 Anal 52-55 ; tip of first interhamal spine strongly projecting. Pectoral of ocular 

 side with 12 or 13 rays, length if in that of head ; that of blind side more than twice 

 in head. Caudal double-truncate (?) ; caudal peduncle about twice as deep as long. 

 Reddish brown, with 5 dark blotches arranged thus : : •, each being surrounded at 

 some distance by a brown ring ; indistinct dark rings scattered over body. 



Type. — Amsterdam Museum. 



Distribution. — Indo-Australian Archipelago. 



Specimens Examined : 



2 co-types (182 and 185 mm.) from Madura Strait (7' 39' S., 114^ 17-18' E.) 

 [Amsterdam Mus.l 



10. PSEUDORHOMBUS CTENOSQUAMIS (Oshima). 

 Spitnrhombus ctenosguamis, Oshima, 1927, Japan. J. Zool., Trans. Abstr., i (5), p. 188. 



Close to p. arsius. Depth of body trwice in the length, length of head more than 

 4J. Snout as long as eye, diameter of which is a little less than 3^ in length of head. 

 Maxillary extending to below middle of eye, length about i* in that of head. Lower 

 jaw of ocular side with 6 widely set canine teeth, that of blind side with 16 pointed 

 teeth. Gill-raker.s long, slender, pointed ; 10 on lower part of anterior arch. 85 scales 

 in lateral line. Dorsal 78, commencing on blind side opposite notch in upper profile 

 of head. Anal 59 ; tip of first interhaemal spine projecting. Length of pectoral 

 of ocular side about ij in that of head. Caudal double truncate. Greyish brown, 

 with a round dark blotch encircled by minute white spots at angle of lateral Une : 

 round dark spots with pale centres scattered irregularly over body ; median fins 

 fuscous. 



Type. — Not traced. 



Distribution. — Formosa. 



The single type-specimen was 140 mm. in length, and was taken at Anping, near 

 Tcunau . 



Wu [1932, Thes.' Facult. Sci. Univ. Paris, A. 244 (268), p. 85] includes this species 

 in the synonymy of P. cinnamoneus, but does not state whether he has examined the 

 type. 



II. PSEUDORHOMBUS ARSIUS (Hamilton). 



[Large-toothed Flounder.] 



PUuronecUs arsius, Hamilton, iSzz, Fish. Ganges, p. 128 ; Hora, 1929, Mem. Ind. Mus., ix, p. 86. 



pi. xvii, figs. I, 2. 

 ? PUuronecies maculosus, Cuvier, 1829, R. Anim., ed. 2, ii, p. 341. 

 Plalcssa russMii, Gray, 1834, Illust. Indian Zool., ii, pi. xciv, fig. 2 ; Cantor, 1850, J. .Asiat. Soc. 



Beng., xviii(2), p. 1196. 

 Rhombus Untiginosus, Richardson, 1843. Ann. Mag. Nat. Hist., xi, p. 495 ; Bleeker, 1852, \*erh. 



Batav. Gen., xxiv, Pleuron., p. 1,5. 



