466 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Myliobatis niilvus (not Miiller and Henle) Cantor, Journ. Asiatic Soc. Bengal, 

 vol. 18, p. 1415, 1849 (part; not synonymy). 



Head truncate; snout 6 in greatest disk width; eye 3i/^ in inter- 

 orbital, pupil cordiform ; median row of teetli 6 times broad as long, 

 lower longer than wide; nasal valves confluent, flap with rounded 

 angles, little notched in middle; oral papillae 6. 



Skin smooth. No horn on orbit. 



Tail long, without spine; dorsal origin behind ends of ventral 

 bases, fin not extending to ends of ventrals; pectorals form disk 

 nearly twice broad as long, disk length 5% in tail, acute, front edges 

 convex, hind edges concave; hind pectoral angles above ventrals. 



Fawn color, with anastomosing black lines arranged transversely 

 on front half of disk so interspaces resemble broad transverse bands ; 

 elsewhere lines form open network; front pectoral and dorsal edges 

 without black meshes. Tail brownish near base, with faint blackish 

 rings, otherwise black. Ventral surfaces white. Disk to vent 193 

 mm., tail, 1,165 mm. (Bleeker; Garman.) 



Pinang, Java. Bleeker had a single female 560 mm. 



AETOMYLUS MILVUS (Miiller and Henle) 



Myliohatis milvus (Valenciennes) Mulleb and Henle, Syst. Besclir. Plagiosto- 

 men, p. 178, 1841 (type locality: Red Sea). — Cantok, Journ. Asiatic Soc. 

 Bengal, vol. 18, p. 1415, 1849 (Pinang).— Gkay, List fish Brit. Mus., p. 129, 

 1851 (reference). — Bleeker, Verb. Batav. Genootsch. (Plagiost), vol. 24. 

 p. 87, 1852 (Batavia and Samarang). — DuMfiiux, Hist. Nat. Elasmobr., vol. 

 1, p. 638, 1865 (Sea of the Indies).— GiJNTHER, Cat. Fishes British Mus., 

 vol. 8, p. 491, 1870 (China, East Indies). — Klunzingeb, Verh. zool.-bot. Ges. 

 Wien, vol. 21, p. 686, 1871 (Red Sea). — Martens, Preuss. Exped. Ost-Asien, 

 vol. 1, p. 410, 1876 (Batjan).— Eleea, Cat Fauna Filip., vol. 1, p. 621, 1895 

 (Manila).— Bean and Weed, Proc. U. S. Nat. Mus., vol. 42, p. 589, 1912 

 (Batavia). — Vinciguerba, Ann. Mus. Civ. Stor. Nat. Genova, ser. 3, vol. 10, 

 p. 624, 1926 (Sarawak). 



Aetomyleus niilvus Garman, Mem. Mus. Comp. Zool., vol. 36, p. 435, 1913 (Red 

 Sea, China, East Indies). — Fowleb, Journ. Bombay Nat. Hist. Soc. vol. 33, 

 No. 1, p. 103, 1928 (Bombay). 



Aetomylus niilvus Fowlee, 4th (1929) Pacific Sci. Congr., Java, p. 506, 1930 

 (Indian Ocean) ; Hong Kong Nat, vol. 1, No. 4, p. 184, 1930 (Indian Ocean). 



Aetomylaeus milvus Suvatti, Index Fish. Siam, p. 7, 1937 (Menam?). 



Myliobatis vultur Muller and Henle, Syst. Beschr. Plagiostomen, p. 179, 1841 

 (type locality: China). — Gray, List fish British Museum, p. 129, 1851 

 (China). — Dumeril, Hist. Nat. Elasmobr., vol. 1, p. 640, 1865 (compiled). 



Myliobates vultur Ricua^dbo^, Ichth. China Japan, p. 198, 1846 (Chinese Seas). 



Myliobates oculeus Richardson, Ichth. China Japan, p. 198, 1846 (type locality: 

 Sea of China, Canton). 



Myliobatis oculeus Gray, List fish British Museum, p. 129, 1851 (reference). 



Skull wide, broadly convex in front; snout about twice long as 

 nasal valves, rounded anteriorly ; eye rather small, 5I/2 in interorbital ; 

 mouth width 2% in interorbital; median teeth 7 or 8 times wide as 



