320 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Snout moderate, bluntly pointed, margins scarcely concave ; rostral 

 ridges narrow, closely approximated for greater part of length, diverg- 

 ing little posteriorly; eye 6^4 to 8i^ in snout, eye with spiracle 1^ 

 to 1% in space between spiracles; mouth nearly straight, width 3 in 

 preoral length; nostrils long, oblique, % of or nearly equal mouth 

 width, 21/4 to 2% times internarial, front valve not extending inward. 

 Both folds of spiracles feebly developed, outer more prominent, space 

 between spiracles 3 to 3l^ in snout. 



Denticles somewhat enlarged on back, scapular region and top of 

 head; series of rather strong compressed spines in median line of 

 back, 1 or 2 groups on each shoulder and several smaller spines around 

 orbits and above spiracles. 



First dorsal twice or more than twice as high as long, origin dis- 

 tance behind ventral base IV3 to 1% times interdorsal, base 2 to 2^4 

 in interdorsal. 



Coloration not given. Length to 550 mm. (Norman.) 



India, Singapore, East Indies, Western Australia, Northwest 

 Territory, North Australia, Queensland, Melanesia. 



RHINOBATOS H ALA VI (Forsk41) 



Raja halavi FoeskAl, Desciipt. Auiinal, pp. 8, 19, 1775 (type locality: 

 Djedda). — Walbaum, Artedi Pise, vol. 3, p. 535, 1792 (copied). 



Raia halavi Cuviee, R5gue animal, ed. 2, vol. 2, p. 396, 1829 (reference). 



Rhinalatus halavi Ruppell, Atlas Reise Nordl. Afrika, Fische, p. 55, 1828 (Red 

 Sea). 



Rhlnoiatus halavi Ruppell, Atlas Reise Nordl. Afrika, Fische, pi. 14, fig. 2, 

 1828.— Geay, List fish British Museum, p. 95, 1851 (China, Red Sea, In- 

 dia). — GtJNTHER, Cat. Fishes British Mus., vol. 8, p. 442, 1870 (West Africa, 

 Gambia, Red Sea, China). — Klunzinger, Verh. zool.-bot. Ges. Wien, vol. 21, 

 p. 675, 1871 (Koseir, Red Sea).— Day, Fishes of India, pt. 4, p. 731, 1878.— 

 KossMAN, Zool. Anz., vol. 2, p. 21, 1879 (Red Sea). — Kossman and Raijbeb, 

 Zool. Ergebn. Reise Roth. Meer, p. 32, 1879 (Red Sea). — Klunzijsigeb, 

 Sitzungsber. Akad. Wiss., Wien, math.-nat. CI., vol. 80, pt. 1, p. 428, 1880 

 (Australia). — Ogilby, Cat. Fishes Australian Mus., pt. 1, p. 14, 1888 

 (Cochin, Malabar).— Day, Fauna British India, Fishes, vol. 1, p. 43, 1889.— 

 BouLENGEE, Proc. Zool. Soc. Londou, p. 243, 1889 (Muscat). — Eleka, Cat. 

 Fauna Filip., vol. 1, p. 619, 1895 (Luzon, La Union). — Steindachnek, 

 Denkschr. Akad. Wiss. Wien, math.-nat. Kl., vol. 71, pt. 1, p. 160, 1907 

 (Gischin). — Garma|n, Mem. Mus. Comp. Zool., vol. 36, p. 275, 1913 (part). — 

 ZuGMAYEE, Abh. Bayer. Akad. Wiss., math.-phys. Kl., vol. 26, p. 8, 1913 

 (Oman). — Malpas, Ceylon Administr. Rep., 1921, pp. E7, E8. — Nobman, 

 Proc. Zool. Soc. London, p. 956, fig. 9, 1926 (Red Sea, Muscat, China).- 

 TiEANT, Service Oc^anogr. Peehes Indo-Chine, 6* note, p. 73, 1929 

 (Cochinchina). 



Rliinoiatus (Rhinohatus) halavi Mijlleb and Henlb, Syst. Beschr. Plagiosto- 

 men, p. 120, 1841 (Red Sea). — Dum^eil, Hist. Nat. Elasmobr., vol. 1, p. 

 496, 1865 (Red Sea). 



Rhinobatis halavi AtNNANOALE, Mem. Indian Mus., vol. 2, p. 13, 1909 (India). 



