Mem. Ind. Mus. Vol.- n. 1909 . 
.Plate 
Photo by A.C.ChowJhaiy 
Fig.l. Trygon sepheB (tail ainonnal). Fig. 2, 2a. Urogyinrais asperrimus. ’ Fig. 3. Torpedo mannorata. 
Fig. 4i. Pnstis pectinatus var. ajiTiandaiei. Fig. 5. RhampFoFatis aricylostOTmis. 
.Benirose Ii?,3erby 
