100 FAUNA OF NORTH WALES 



143.— STARRY RAY. Raiaradiata. Donov. 

 Not uncommon. 



144.— PAINTED RAY. Raia microcdlata. Mont. 

 Obtained only off west Anglesey and in Tremadoc Bay. 



145.— SHARP-NOSED or WHITE RAY. Raia alba. 



Lacep, 



Not uncommon round Anglesey. 



146.— CUCKOO RAY. Raia circulans. Conch. 

 Occurs in the Menai Straits. 



147.— STING RAY. Trygon pastinaca. (L.) 



Rare ; has been obtained at Barmouth, in Menai Straits and the Dee 

 estuary. 



Three taken at Barmouth in 1918. 



148.— SEA LAMPREY. Petratnyzon marinus. L. 

 Not uncommon in estuaries and rivers near the sea. 



149.— LAMPERN, or RIVER LAJVIPREY. Petromyzon 

 fiuviaiilis. L. 



Common in the principal rivers ; also taken in Menai Straits. 



150.— MUD-LAMPREY, or PRIDE. Petromyzon 

 branchialis. L. 



Occurs in the upper Severn and tributaries, and in the Dee. 

 Recorded in the Dee (F. Fauna of Cheshire II. 168). 



