Class VL PECTEN. SCALLOP. 223 



Lin. Tr. viii. 100. t.3.f« 5. Mont. Test. Br. 150. t. 4. /. 4. 8. l*vis. 



P. with unequal ribbed ears; the rest of the 

 shell entirely smooth. Very small. 



Anglesey; [also Falmouth and Sakombe bay. 



Lin.Syst. 1146. No. 201.? ilfonA TVs*. f?r. 151. z'd. g. glaber. 

 Gm. Lin. 3334. Sap. 59. t. 28. /. 6. furrowed. 



Lin. Tr. viii. 101. 



P. with a very thin shell; fifteen faint rays; 

 equal ears. The inner side of the shells marked 

 with rays, divided by a single sulcus. 

 Anglesey. A scarce species. Small. 



Gm. Lin. 3332. Pecten fragilis. Mont. Test. 10. fragilis. 



Br. Sup. 62. 



* P. with a white, fragile, subovate shell, of 

 equal valves, but unequal sides, with twenty- 

 five imbricated rays ; margin entire ; auricles 

 pointed ; length three quarters of an inch ; 

 breadth half an inch. 



Taken by the trawl on the coast of Devon. , 



