192 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



GALEORHINUS JAPANICUS (MuUer and Henle) 



Oaleus japanicus Muixeb and Henle, Syst. Beschr. Plagiostomen, p. 58, pi. 22, 

 1841 (type locality: Japan). — Gbay, List fish British Museum, p. 53, 1851 

 (Japan). — Pietschmann, Sitz. Ber. Akacl. Wiss. Wien, math.-nat. Kl., vol. 

 117, pt. 1, p. 687, 1908 (Nagasaki). 



Oaleus japonicus Dum^kil, Hist. Nat. Elasmobr., vol. 1, p. 391, 1865 (com- 

 piled).— Gunther, Cat. Fishes British Mus., vol. 8, p. 380, 1870 (compiled).— 

 Webeb, in Semon's Zool. Forsch. Reis. Australia, vol. 5, p. 276, 1895 

 (Ambon).— Jordan and Fowlee, Free. U. S. Nat. Mus., vol. 26, p. 611, 1903 

 (Onomichi, Hiroshima, Nagasaki). — Jokdan and Thompson, Mem. Carnegie 

 Mus., vol. 4, p. 162, 1909 (Formosa record). 



Galeorhinus japonicus Bleeker, Verh. Batav. Genootsch. (Japan), vol. 25, p. 21, 

 1853 (Japan) ; (Japan), vol. 26, p, 44, 1857 (Japan).— Nystbom, Bihang. 

 Kong. Svenska Vet. Akad. Handl. Stockholm, vol. 13, pt. 4, no. 4, p. 50, 1887 

 (Nagasaki).— Jordan and Snyder, Annot. Zool. Japon., vol. 3, p. 39 (Yoko- 

 hama), p. 128 (reference), 1901. — Izuka and Matsuuea, Cat. Zool. Spec. 

 Tokyo Mus., Vertebrata, p. 190, 1920 (Hizen). 



Galeorhinus japanicus Jordan and Evermann, Proc. U. S. Nat. Mus., vol. 25, 

 p. 318, 1902 (Formosa). — Jordan and Hubbs, Mem. Carnegie Mus., vol. 10, 

 p. 105, 1925 (Miyazu and Osaka market).— Fowler, Proc. 4th (1929) 

 Pacific Sci. Congr., Java, p. 490, 1930 (Japan). 



Eugaleus japanicus Garman, Mem. Mus. Comp. Zool., vol. 36, p. 154, 1913 

 (Japan). 



Depth 814 to subcauclal origin; head 51/^, width 1%. Snout 21/5 

 in head; eye 6, 2% in snout; mouth width 2, length 1^ its width, 

 labial fold around each mouth angle, upper nearly halfway to sym- 

 physis, lower much shorter; teeth with 2 strong denticles on outer 

 edge; nostrils much nearer mouth than snout end, or midway be- 

 tween snout end and mouth angles, internarial 1% in mouth width ; 

 front nasal lobe broad and rounded ; interorbital low. Gill openings 

 equidistant, last 2 over pectoral base. Spiracle very small, close 

 behind eye. 



Scales tridentate, median point largest, each with 3 low keels. 



First dorsal begins behind inner pectoral angles, front edge II/2 

 in head; second dorsal front edge 1%; front anal edge 2l^, fin origin 

 opposite first fourth in second dorsal base; least depth of caudal 

 peduncle 5i/^ in head; pectoral 1, width 2i/io its length, which 1% to 

 ventral; ventral length 2, clasper slender, pointed; caudal 4 in rest 

 of body, front subcaudal edge 2% in caudal. 



Gray, paler below. (Miiller and Henle.) 



Formosa, Japan. Reported from Amboina by Weber. The head 

 of a huge specimen was seen by Jordan in Nagasaki, and Jordan 

 and Fowler state that it reaches a length of 6,625 mm. (25 feet) 

 and a weight of nearly 2,000 pounds. 



Genus HEMIPRISTIS Agassiz 



Hemipristis Agassiz, Poissons fossiles, vol. 1, p. 8, 1833 (nomen nudum) ; vol. 3, 

 pp. 237, 302, 1843. (Type, Hemipristis serra Agassiz, designated by Wood- 

 vs^ard. Cat. Fossil Fish. Brit. Mus., vol. 1, p. 450, 1889.) 



