400 THE PLAGIOSTOMIA. 



Taeniura lymma Muller & Henle, 1841, Plagios., p. 171, pi. 55, f. 3; Dumeril, 1865, Elasm., p. 619; 



GttNTH., 1870, Cat. fishes Brit, mus., 8, p. 483; Klunzinger, 1871, Syn. fishe, 2, p. 241; Gunther, 



1910, Stidsee fische, 2, p. 495. 

 Taeniura lymna T. Cantor, 1849, Malay, fishes, p. 430. 

 Diseobatis marginipinnis Maclay & Macleay, 1886, Proc. Linn, soc N. S. W., 10, p. 676, pi. 46, f. 7-15; 



Jord. & Seale, 1906, Bull. U. S. fish, comm., 25, p. 183. 

 Diseotrygon marginipinnis Fowler, 1910, Proc. Acad. nat. sci. Phil., 62, p. 162. 



Disk subcircular, snout not produced. Mouth small, width about one 

 third of the distance from the end of the snout, with a fringed velum and two 

 papillae at the bottom. Teeth small, unequal, tessellate, with transverse ridges, 

 or sharp cusps on males. Chin papillose. Cranium prominent convex longi- 

 tudinally, descending sharply forward; foramen in front broad and rounded, 

 narrow or closed between the orbits on the crown. Pectorals angled posteriorly. 

 Ventrals elongate, subtriangular, anterior rays much longer than posterior, 

 angles rounded. Tail longer than body, spine about mid length, supracaudal 

 fin absent, or rudimentary, origin of subcaudal slightly in front of spine, depth 

 greater than that of the muscles above it. Skin smooth. 



Greyish brown with rounded spots of blue irregularly scattered over back 

 and fins. 



Total length 10i body to pores 65, and greatest width 7 inches. 



Red Sea; Singapore; Mauritius; Fiji Islands. 



Taeniura melanospila. 



Taeniura melanospilos Bleeker, 1853, Nat. tijds. Ned. Ind., 4, p. 513; Dumeril, 1865, Elasm., p. 620. 

 Taeniura melanospila Gunth., 1870, Cat. fishes Brit, mus., 8, p. 484; Klunzinger, 1871, Syn. fische, 2, 

 p. 242. 



Disk broader than long, obtuse in front. Snout length six times in the 

 greatest width of the disk. Mouth curved, two papillae at the bottom. Skin 

 rough, a dorsal series of tubercles. Tail rough, depressed in the basal portion, 

 little longer than the disk. Spine inserted little behind the first third of the 

 tail, subcaudal fin deeper, extending from below the insertion of the spine to 

 the end of the tail. 



Back greenish grey, with numerous rounded spots of blackish. 



Batavia. 



Taeniura meyeni. 



Taeniura meyeni Muller & Henle, 1841, Plagios., p. 172; Dumeril, 1865, Elasm., p. 620; Gunth., 

 1870, Cat. fishes Brit, mus., 8, p. 483. 



Disk a little broader than long; margins and fins rounded. Upper eyelid 

 slightly produced. Mouth straight; teeth with transverse groove as in Dasy- 



