FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 457 



Ann. Mus. Civ. Stor. Nat. Geneva, ser. 3, vol. 10, p. 625, 1926 (Sarawak).— 

 P tt.t.a v, Journ. Bombay Nat. Hist. See, vol. 33, p. 353, 1929 (Travancore). — 

 TiBANT, Service Oceanogr., Peclies ludo-Chine, 6* note, p. 78, 1929 (Phuroc 

 hai). — Borodin, Bull. Vanderbilt Marine Mus., vol. 1, art. 2, p. 42, 1930 (no 

 locality).— Fowler, Proc. 4th (1929) Pacific Sci. Congr., Java, p. 506, 1930 

 (East Indies). — Chevet, Inst. Oceanogr. ludochiue, 19* note, p. 7, 1932 

 (Cochinchina). — Suvatti, Index Fish. Siam, p. 5, 1937 (La em Sing; 

 Sriracha ; Maeuam Can Phaya). 



Gymnura micrura Fowler, List Fish. Malaya, p. 17, 1938 (reference). 



Ceratoptera ehrenhergii (not Miiller and Henle) Day, Fishes of India, pt. 4, 

 p. 745, fig. 1878 (type locality: Madras). (Monstrosity.) 



Ast7-ape dipterygia (not Schneider) Day, Fishes of India, Suppl., p. 812, 1888 

 (same example). 



Pteroplatea hirundo (not Lowe) Elera, Cat. Fauna Filip., vol. 1, p. 621, 1895 

 (Manila, Luzon). 



f PlanerocepJialus ellioti Gratzianow, Zool. Anz., 1906, pp. 403, 404. [Madras, 

 Indian Ocean (on Day; monstrosity).] 



Depth 1514 to end of tail; head 4i/^, disk length 1% in its width; 

 tail length to base 3 in disk length. Snout 1% in head, forms blunt 

 end of wide, obtuse angle of front profile ; eye 7% in head, 5 in snout, 

 5 in interorbital ; mouth width 1% in head ; teeth 60 to 65 rows, each 

 with short pointed cusp; nostril broad, oblique, internarial 1% in 

 mouth width, front valve broad low lobe, hind valve short, fold ex- 

 tending halfway to internarial ; interorbital li/^ in head, broad, level, 

 with board median fontanel forming concave depression. Gill open- 

 ings small, equidistant, last shortest. Spiracles large, broad ; eye 1% 

 in spiracle. 



Skin smooth. No caudal spine. 



A small rudimentary dorsal long as eye. No anal. Tail slenderly 

 conic, tapers to rather firm point. Pectoral wide lobe, front edge 

 slightly undulate, hind edge little convex, apex obtuse. Ventral 

 small, broad, 2 in head. 



Back nearly uniform blackish brown. Tail with end broadly 

 blackish and two blackish saddles above, below whitish. Under sur- 

 face uniformly whitish, slightly brownish or soiled on pectorals 

 apically. 



Arabian Sea, India, Ceylon, Malay Peninsula, Pinang, Singapore, 

 East Indies, Indo China, Philippines. 



U.S.N.M. No. 39978. Cape Hawke. Australian Museum. Length, 440 mm. 



Family MYLIOBATIDAE 



Body, head, and pectorals form lozenge-shaped disk. Tail long, 

 slender, whiplike and usually with basal serrated spine. Eyes promi- 

 nent, lateral. Teeth angular, broad, flat, tessellated, median series 

 commonly wider than laterals, if any. Spiracles large, behind eyes, 

 opening laterally. Cranium prominent. Tail often with small dor- 



