44 



FISH GALLERY. 



Bishop 

 Ray. 



15 ; the young specimen 121 exhibited in Wall-case 3 shows 

 equally well the great breadth of the pectoral fins, the pair of 

 cephalic appendages pointiug forwards, and the slender tail. The 

 Devil-fishes are mostly found in the tropics, but one species, the 

 Ox Ray or Horned Ray, Dicerobat.is giorn/s, occurs in the 

 Mediterranean and adjacent parts of the Atlantic. 



The Bishop Ray, Aetobatis narinari, is represented by a large 

 specimen suspended from the roof between Wall-cases 5 and 16, 

 and a pair of jaws (122) on the floor of Wall-case 3 ; the teeth are 

 flat, broad, and in a single series running antero-posteriorly. In 

 Rhinoptera the teeth are arranged in five or more series (123), 



Fig. 22. — Eagle-Ray, Myliobatis aquila. 



the middle series being the largest, except in young specimens. 

 In the Eagle Ray, Myliobatis aquila (fig. 22), of which a 

 specimen is shown (125), the teeth are arranged in seven series 

 (126, and fig. 23) ; those of the three lateral rows are narrow, 

 but the middle teeth are broad and increase in breadth as age 



