1 84 9,] Catalogue of Malayan Fishes. 1413 



Raja lymna, Lace'p. I. Tab. IV. Fig. 2-3. 

 Raie torpille, ibid. Tab. VI. Fig. 1. 

 Raja lymna, Bl. Schn. 364. 

 Raja lymna, Shaw V. 287. 



Trigon lymna, Riippell : Atlas, 51, Taf. 13, Fig. 1. 

 Trygon lymna, Cuv. R. A. II. 400 ( 2 .) 

 Trigon lymna, Riippell : Neue Wirbelth. Fische, 69, Taf. 19. 



Fig. 4. (Teeth.) 

 (Icon.) Trygon ornatum, Gray : 111. Ind. Zool. I. PI. 99. 

 Trygon lymna, Swainson, II. 319. 

 Taeniura halgani, Lesson in Duperrey : Voy. II. 100. 

 Taeniura lymna, Muller und Henle, 171, 197, Taf. (Mouth.) 

 (Young.) Above brownish bronze, with numerous oval and round 

 ultramarine spots ; from the scapular region on each side of the back 

 a broad ultramine band, continuing on the sides of the tail to the root 

 of the spine ; caudal fin pale brownish, the lower margin edged with 

 black ; beneath greenish white. Iris narrow golden round the pupil, 

 the rest dark blue ; pupil transversely oval, black. 



Habit, — Sea of Pinang, Malayan Peninsula, Singapore. 

 Indian Ocean, Red Sea, Timor, New Ireland. 



Dimensions. 



From the snout to the mouth, Of inch. 



From the mouth to the anus, 3f- 



Length of the tail, 6 



„ of the caudal spine, 1 



Distance between the eyes, ,...., Of 



Breadth of the disk, 4f 



This species is of rare occurrence in the Straits of Malacca. 



FAM. MYLIOBATIDIDiE. 



Gen. Myliobatis (Dumeril, 1817) Muller und Henle, 1841. 



(A'etobatis, JBlainville, 1828.) 



Snout pointed, composed by the united anterior pectoral rays. Nasal 

 valves united, with straight margin. Mouth transversal. Both jaws 

 with straight margin. Teeth hexagonal, in the centre a series of broader 

 teeth, backwards, increasing in breadth. On each side smaller, tetragonal 

 plates resembling paving stones, fitting into the zig-zags of the central 



