PLATE LXIX. 



PHOLAS PARVUS. 



SMALL P ID DOCK. 



GENERIC CHARACTER. 



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

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

 nected by a cartilage. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shell oval, thin, wrought with transverse wrinkles, and divided 

 down the middle by a furrow. The half next the hinge undulated or 

 indented. A slender and oblique curved tooth in the cavity under the 

 beak. Size of a hazel nut. 



Pholas Parvus. Little. Pen. Br. Zool. sp. 13. 

 Pholas Parvus : simillima tota structura Pholade Bifronte. Dd 



Costa Br. Conch, p. 247. sp. 67. 



This shell was first described by Pennant in his Zoology ; he says 

 it very much resembles the Pholas crispatus but is never found larger 

 than a hazel nut. Da Costa describes it also, but doubts whether lc 



VOL. II. H 



