134 



STIX(; KAY. 



Swansea; and supposed it, therefore, to constitute the R. 

 altacela of Linnrrus. But it is probable that he quoted from 

 memory; and the much rarer R. altavela is distinguished by 

 not having a fin on tlie tail. It has never been found in 

 Enghmd. 



Sting Ray, shewing the raised part of the body. 



