94 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Gasman, Mem. Mus. Comp. Zool., vol. 36, 50, pi. 56, fig. 3, 1913 (heart) 

 (Japan). — Izuka and Matsutjea, Cat. Zool. Spec. Tokyo Mus. (Vertebrata) 

 p. 190, 1920 (Tokyo).— Fowler, Hong Kong Nat., vol. 1, p. 32, fig. 5, 1930 

 (China) ; Proc. 4th (1929) Pacific Sci. Congr., Java, p. 486, 1930 (Japan).— 

 SoLDATOV and Lindberg, Bull. Pacific Sci. Fisher, Inst, vol. 5, p. .5, 1939. — 

 (Far Bast Seas). — Schmidt, Trans. Pacific Conin. Acad. Sci. U.S.S.R., vol. 11, 

 p. 5, 1931 (Nagasaki).— Tanak A, Jap Fish. Life Colours, No. 12. 1933. 



Crossorhinus harhatus (not Gmelin) MiJixER and Hbnle, Syst. Beschr. Pla- 

 giostomen, p. 21, pi. 5, 1841 (type locality: Japan) (not New Holland ref- 

 erences). — ScHLEGEi,, Fauna Japonica, Pisces, pt. 15, p. 301, 1850 (Japan, 

 Goto Islands. Nagasaki). — Bleekeb, Verh. Batav. Genootsch. (Japan), vol. 

 25, p. 21, 1853 (Goto and Nagasaki) ; vol. 26, p. 42, 1857 (Japan).— GiJN- 

 ther, Cat. Fish. Brit. Mus., vol. 8, p. 414, 1870 (Japanese material). — 

 IsHiKAWA and Matsuura, Prelim. Cat. Fish. Mus. Tokyo, p. 61, 1897. — Job- 

 dan and Snyder, Annot. Zool. Japon., vol. 3, p. 38 (128), 1901 (Goto 

 Islands). — Wu, Contr. Biol. Lab. Sci. Soc. China, vol. 5, no. 4, p. 5, fig. 3, 

 1929 (Amoy). 



Orectolobus larhaius Jordan and Fowler, Proc. U. S. Nat. Mus., vol. 26, p. 606, 

 1903 (Hakata and Nagasaki). 



Crossorhinus lobatus (not Schneider) Mijllek and Henle, Syst. Beschr. Pla- 

 giostomen, pi., 1841 (Japan). 



Squahis labiatus Bleekeb, Verh. Batav. Genootsch. (Japan), vol. 26, p. 42, 1847 

 (name in synonymy). 



Depth 74^ to subcaudal origin; head 4i^, width 1%. Snout 2% 

 in head, broadly depressed, rounded as seen in profile as seen from 

 above; eye IO14 in head, without tubercle on upper lid, 334 in snout, 

 3I/2 in interorbital ; dentary width 2% in head, with long deep groove 

 around each mouth angle though not meeting at symphysis ; teeth in 

 18 rows above, 16 below, each tooth with long narrow median cusp 

 and short cusp each side basally, edges of all entire; nostrils close 

 below end of snout, joined with mouth by short deep nasoral groove; 

 front nasal valves reach teeth, each broadly lobate, separated by nar- 

 rower preoral lobe, cirrus twice long as valve or eye with short lobe 

 midway on outer edge ; hind nasal valve forms lobe on outer side of 

 nostril and partly continuous with upper lateral fold and fold along 

 outer border of nostril; interorbital 3, depressed. Gill openings 

 above pectoral, fourth close before fifth which largest. Spiracle 

 large, oblique, equals 1% eye diameters, begins opposite hind part of 

 eye. 



Scales minute, triangular, with one to several keels or points. 

 Above upper lip 2 flattened dermal flaps ; behind fold of mouth angle 

 series of 4 or 5 flattened dermal flaps; on side of pharynx 2 short 

 flattened dermal lobes. 



First dorsal begins opposite middle of ventral base, length 1% in 

 head, hind lobe triangular; second dorsal origin nearer anal origin 

 than first dorsal origin, length 1% in head; anal 2%, 1% in lower 

 caudal lobe; sub-caudal height 4% in its length, length 1% in head; 



