PLATE CXVII. 



PHOLAS STRIATA. 



STRIATED PIDDOCK. 



GENERIC CHARACTER. 



Animal ascidia. Shell bivalve, opening wide at each end, with 

 several lesser valves at the hinge. The hinges folded back and con- 

 nected by a cartilage. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shell ovate, with numerous striat. 



Pholas striata : testa ovata multifarium striata. Gmel. Linn. 

 Si/st. p. 3215. sp. 3. 

 Act. Angl. 55. t. \.f. 1, 2, 3, 4. 

 Gualt. Test. t. 105. F. 



Extremely rare as a British species, and not noticed by either 

 Pennant or Da Costa. In the collection of the Rev. T. Rackett. 



V*L. IV. 



