EXPLANATION OF PLATE V. 



Fig. I. — Photograph of a male specimen of Hypolophiis sephen in which the end of the 



tail has been lost (much reduced). 



„ 2, 2«. — Photographs of a large female specimen of Urogymnus asperrimus in which 



the tail had been mutilated (much reduced). In fig. 2 the base of the disk 



is considerably foreshortened. 



„ 3. — Photograph of a female specimen of Torpedo marmorata from the Orissa coast, 



X cf. 

 ,, 4. — Cast of the type specimen (cf) of Pristis annandalei , Chaudhuri, x '■^^. 

 ,, 5.— Photograph of a male specimen of Rhamphohatis ancylostomus , x c. -^--. 



