436 



CHONDROPTEBVGll. 



UAIID.E. 



^ ^.- -/r. 



RAIIDJE. 



:■ ■ %}. % ^• 





THE THORNBACK. 



Raia clavata, Thornback, Willughby, p. 74. 



,, ,, Linnaeus. Cuvieii, Regne An. t. ii. p. 398. 



,, ,, Thornback, Block, pt. iii. pi. 83, female. 



,, rubns. Rough Rail, ,, ,, pi. 84, male. 



,, clavata, Thornback, Montagu, Wern. Mem. vol. ii. p. 416. 

 ,, ,, ,, Penn. Brit. Zcol. vol. iii. p. 122, pi. 14, female. 



,, ,, Don. Brit. Fish. pi. 26, female. 



,, ,, ,, Flem. Brit. An. p. 170, sp. 19. 



,, ,, ,, Jenyns, Man. Brit. Vert. p. 516, sp. 205. 



„ „ „ Couch's MS. 



The Thornback exhibits very marked distinguislaing 

 characters, and being also a very common fish, is one of the 

 best known of the species of Rays, — a term "which Mr. 

 Couch considers to be derived from the Anglo-Saxon ' Reoh,' 

 which means ' rough,'' and is particularly appropriate to the 



