FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 199 



longest, fourth and fifth closer than others and above pectoral base. 

 Spiracles small, level with and % diameter behind eye. 



Scales small, as simple, narrow triangular, tricarinate cusps, 

 rough velvety to touch. 



First dorsal origin opposite hind edge of depressed pectoral, 

 length 114 to 11/3 in head, hind lobe rather short narrow triangular 

 point; second dorsal origin little before anal origin or at last fifth 

 in space between ventral and anal origins, length I14 to 1% in head, 

 like first dorsal; anal origin opposite first third of second dorsal or 

 opposite middle of second dorsal, length II/2 to 21/10 in head; sub- 

 caudal equals head, li/> to 1% in caudal length; least depth of 

 caudal peduncle 4% to 5 in head; pectoral ll^ to I14, width 1% to 

 1% its length; ventral 1% to 1% in head. 



Back and upper surface gray to dark mauve brown, under surfaces 

 of head, body, and tail whitish. Ten diffuse dark bands on head 

 above and back, with few variable scattered dusky or slate black 

 spots also over back and sides. In some examples few whitish or 

 gray spots scattered over head and back. Under surfaces of paired 

 fins grayish. 



China, Formosa, Korea, Japan, South Australia, The dark spots 

 on the body are subject to great variation, though most always quite 

 small. While never absent they are variously obscure or even greatly 

 contrasted. 



U.S.N.M. No. 22607. Awa, Japan. Japanese Government. Length 473 mm. 

 Depth 7 to subcandal origin ; head 5, width l^^. Snout 2i/4 in head, rather 

 broadly convex as seen from above; eye 6i/4, 2% in snout, 2% in interorbital, 

 depth half its length ; dentary width 2% in head, length 21/1 its width, with 

 moderate, deep fold around each angle, of which upper little longer or some- 

 what less than half each half of upper jaw, also groove extends from mouth 

 angle to divide labial folds ; teeth in 36 rows above, 32 rows below. As 

 Carch arias japonicns. 



U.S.N.M. No. 50726. Tokyo. Jordan and Snyder. Two examples. Length, 

 233 to 295 mm. 



U.S.N.M. No. 71711. Mi.saki, Japan. Albatross collection, 1906. Length, 298 mm. 



U.S.N.M. No. 71712. Misaki. Albatross collection, 1906. Length, 368 mm. 



U.S.N.M. No. 71765. Misaki. Albatross collection (0273). Length, 254 mm. 



U.S.N.M. No. 71767. Tokyo. Albatross collection (0476). Length, 305 mm. 



U.S.N.M. No. 71771. Tokyo. Albatross collection (0483). Lengtli, 289 mm. 



U.S.N.M. No. 71772. Misaki. Albatross collection (0609). Length, 308 mm. 



U.S.N.M. No. 71773. Misaki. Albatross collection (0SS8). Length, 326 mm. 



Subgenus Calliscyllium Tanaka 



TRIAKIS VENUSTA (Taneka) 



CalliscijllUim veiuisttitn Tanaka, Fishes of Japan, vol. 10, p. 171, pi. 46, figs. 

 178-183, 1912 (type locality: Tokyo market, Japan). — Schmidt, Compt. 

 Rend. Acad. Sci. U. S. S. R., 1928, p. 65, figs. 1-3 (teeth, fins, etc.) (Okinawa ; 

 RiuKiu).— Tanaka, Jap. Fish. Life Colours, No. 6, 1933. 

 156861—40 14 



