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, Dicerobatis giorn(B, 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 

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

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



^m. 



^ 



P^ 



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



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 



