280 WHITE RAY. 



side : the most elegant of all the Rays : native of 

 the European seas, and found occasionally about 

 the French and English coasts. 



UNDULATED RAY. 



Raja Undulata. JR. griseaj strigis subtransversis undulatis nigri^ 

 cantibus. 



Grey Ray, with subtransverse undulated blackish streaks. 

 Raja undulata. Ccpede. 



Shape like that of the Thornhack : snout some- 

 what pointed : from the head to the end of the tail 

 a row of spines ; and a pair before and behind each 

 eye : another near the head, and one on each side 

 the dorsal series : colour pale grey-brown, with 

 numerous undulating dusky streaks, chiefly in a 

 transverse direction : beneath pale or whitish. Na- 

 tive of the European seas. 



WHITE RAY. 



Raja Alba. R. supra nlbida, subtus nivea, * 

 Whitish Ray, milk-white beneath. 

 Raja alba. Cepede. 



Shape like that of the Thornback: size moderate : 

 colour above whitish ; beneath milk-white : body 

 pretty thick : snout pointed : head more distinctly 

 marked off from the breast than in most other 

 Rays : tail of middling length, with two fins above, 

 and one at the extremity : in the male is a single 



