70 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Depth 71/^ to subcaudal origin ; head 5%, width l^/g. Snout 2% in 

 head; eye 11, 5 in snout; mouth width, outside labial folds, 21/4 in 

 head; teeth small, with strong median cusp and 3 to 5 smaller lateral 

 cusps, several rows in function; front nasal valves reaching mouth, 

 cirrus much shorter, hardly half long as valve; interorbital convex. 

 Last 2 gill openings together above pectoral base, others equidistant. 



Scales small, with obtuse central keel, hind edge crenulated. 



First dorsal origin opposite ventral origin, front edge 3i/2 in body 

 to subcaudal origin; front edge of second dorsal 1% in head; anal 

 inserted slightly behind second dorsal, front edge equals head; ven- 

 tral length 114 ; pectoral reaches li/^ to ventral, width 1% its length 

 which 414 in length to subcaudal origin ; caudal 3%, subcaudal front 

 edge 1% in head, notch at last sixth in subcaudal. 



Uniform rusty brown. Length, 2593 mm. (Miiller and Henle ; 

 Garman.) 



Red Sea, Madagascar, India, Singapore, East Indies, Indo-China, 

 Melanesia, Polynesia. 



Subgenus Nebrius Ruppell 



NEBRIUS CONCOLOR RQppell 



Nebrkis concolor Ruppell, Neue Wirbelth., Fische, p. 62, pi. 17, fig. 2, 1835 

 (type locality: Massaua). — Macleay, Proc. Linn. Soc. New South Wales, 

 vol. 7, p. 597, 1883 (reference). — Ogilby, Mem. Queensland Mus., vol. 2, p. 

 90, 1913 (Darnley Island) ; vol. 5, p. 75, 1916 (Damley Island ) .—McCuir 

 LOCH and Whitley, Mem. Queensland Mus., vol. 8, pt. 2, p. 128, 1925 (ref- 

 erence).— Fowmr, Proc. 4th (1929) Pacific Sci. Congr., Java, p. 486, 1930 

 (reference) ; List Fish. Malaya, p. 8, 1938 (reference). 



Olnglymostoma concolor Cantor, Journ. Asiatic Soc. Bengal, vol. 18, p. 1377, 

 1849 (Pinang).— DuMliRiL, Rev. Mag. Zool., ser. 2, vol. 5, p. 126, 1853 

 (compiled). — Bleekeb, Nederland. Tijdschr. Dierk., vol. 1, p. 344, 1863 

 (Madagascar). — Guntheb, Cat. Fishes British Mus., vol. 8, p. 409, 1870 

 (Java, Pinang). — Klunzingeb, Verh. zool.-bot. Ges. Wien, vol. 21, p. 672, 

 1871 (Koseir, Red Sea). — Macleay, Proc. Linn. Soc. New South Wales, vol. 

 7, p. 597, 1883 (Port Moresby, New Guinea).— Day, Fishes of India, Suppl., 

 p. 811, fig., 1888 (Red Sea, India, Malay Archipelago). — Ogilby, Cat. Fishes 

 Australian Mus., pt. 1, p. 7, 1888 (Purves Sound, Solomon Islands). — 

 BRU8INA. Glasnik Naravosl. Dru^tva, vol. 8, p. 226, 1888 (Red Sea).— Day, 

 Fauna British India, Fishes, vol. 1, p. 32, fig. 12, 1889 (copied).— Regan, 

 Proc. Zool. Soc. London, 1908, p. 352 (Java; Pinang). — Southwell, Ceylon 

 Administr. Rep., 1912-13, p. E49. — Pearson, Ceylon Administr. Rep., 1915-18, 

 p. E15. 



Nebrodcs concolor Garman, Mem. Mus. Comp. Zool., vol. 36, p. 57, 1913 (Red 

 Sea to India). 



Oinglymostoma rilppellii Bleekeb, Verh. Batav. Genootsch. (Plagiost.), vol. 24, 

 p. 91, 1852 (type locality: Singapore) ; Nat. Tijds. Nederland Indie, vol. 3, 

 p. (54) 83, 1852 (Singapore).— DumIcril, Hist. Nat. Elasmobr., vol. 1, p. 334, 

 1865 (compiled). 



Nchrodcs concolor ogilhyi Whitley, Mem. Queensland Mus., vol. 10, pt. 4, p. 183, 

 fig. 1, p. 198 (reference), 1934 (type locality: Darnley Island, Queensland). 



