452 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Head to hind spiracle edge 7 in total length. Snout ly^ in head 

 to hind spiracle edge, as seen above with short though distinct point 

 in convex profile; orbit 5, 3 in snout, 4i/^ in interorbital ; nasal flap 

 nearly straight, barely fringed; interorbital nearly equals head to 

 hind spiracle edge. 



Tail variable, often more than half as long as disk; serrated spine 

 minute or absent, and low cutaneous fold sometimes present on under 

 surface of tail ; dorsal twice long as high, about y^ long as free part 

 of pectorals and front border slightly placed before hind border of 

 pectorals. 



Olive-green above, minutely and closely speckled with darker dots, 

 boldly marked with large round or irregular spots of greenish yellow 

 and often joined together by irregular lines and blotches of same 

 color, sometimes ocellate. In young dark spots paler and less nu- 

 merous, while spots less irregular and of brownish color. Ventral 

 surface without pigment. Tail white below with row of large longi- 

 tudinally oval blackish spots above. Reaches disk width of 850 mm. 

 (Annandale.) 



India, Singapore, East Indies. 



Subgenus Gymnura Kuhl 



GYMNURA POECILURA (Shaw) 



Raja poecilura Shaw, General zoology, vol. 5, p. 291, 1804 [on Tenkee kunsal 

 Russell, Fishes of Coromandel, vol. 1, p. 4, pi. 6, 1803 (type locality: 

 Vizagapatam)]. 



Trygon poeeilurus Bennett, Life of Raffles, p. 694, 1830 (Sumatra), 



Pteroplatea poecilura Garman, Mem. Mus. Comp. Zool., vol. 36, p. 412, 1913 

 (Red Sea, India, Calcutta, Pinang, Java). — Chabanaud, Service Oc^anogr. 

 P§ches Indo-Chine, 1^ note, p. 6, 1926 (Gulf of Slam). — Fowlek, Mem. Bishop 

 Mus., vol. 10, p. 25, 1928 (compiled) ; Proc. 4th (1929) Pacific Sci. Congr., 

 Java, p. 506, 1930 (reference). 



Pteroplatea poeciloura Fowler, Journ. Bombay Nat. Hist. Soc, vol. 33, p. 102, 

 1928 (Bombay) (error), 



Gymnura poecilura Fowi-er, List Fish. Malaya, p. 18, 1938 (reference). 



Gymnura micrura (not Schneider) Kuhl, Algemein Konst Letterbode, p. 316, 

 1823 (Java), 



Pteroplatea micrura Mulleb and Henie, Syst. Beschr. Plagiost., p. 169, 1841 

 (India). — Richardson, Ichth. China Japan, p. 197, 1846 (China and Java 

 Seas, Indian Ocean, Red Sea). — Cantor, Journ. Asiatic Soc. Bengal, vol. 18, 

 p. 409, 1849 (part). — Bleeker, Verb. Batav. Genootsch. (Plagiost.), vol. 24, 

 p. (65) 76, 1852 (Batavia and Samarang) ; (Bengal), vol. 25, p. 9 (on Tenkee 

 kunsal Russell), p. 24 (on Mc Clelland), p. 25, 1853 (reference). — Dum^bii., 

 Hist. Nat. Elasmobr., vol. 1, p. 613, 1865 (Sea of the Indies, mouth of 

 Ganges). — Day, Fishes of Malabar, p. 278, 1865. — GiJNTHEB, Cat. Fishes 

 British Mus., vol. 8, p. 487, 1870 (Calcutta, Pinang, Singapore, India). — 

 Martens, Preuss. Exped. Ost-Asien, vol. 1, p. 410, 1876 (Bangkok). — Day, 

 Fishes of India, pt. 4, p. 741, pi. 194, fig. 2, 1878; Fauna British India, 

 Fishes, vol, 1, p. 56, fig. 23, 1889.— VoLz, Nat. Tijdschr. Nederland Indie, 

 vol. 66, p. 241, 1907 (Sumatra). — Annandale, Mem. Indian Mus., vol. 2, 



