232 COI^CRYLIA—DITHYRA. 50. 



Tab.nost. 18, fig. 11. 

 Anomia punctata. Gmelin, Syst p. 3346. 



Turton, Linn. Syst. iv. p. 286. 



Chemnitz, viii. p. 88, tab. 77, fig. 698. 



Dillwyn, Descript. Catal. p. 288. 

 Mus. nost. On Crabs and old Oyster shells. 



Shell about an inch in diameter, thin, transparent, of a purplisli- 

 white color, orbicular but a little truncate at the base ; the upper 

 valve convex and covered with numerous raised pustular dots : the 

 under valve flat and marked with concave dots : beaks terminal. 



In the cabinet of Mr. Strangeways, of Teignmouth, are some 

 remarkably fine ones, full an inch and a half in diameter. They all 

 answer to the description and figure of Chemnitz. 



cylindrica. Anomia testd ovatd subcylindrico-convexd transversim rugosd, umbone 



7. 



recui'vo. 



Shell oval somewhat cylindrically convex and transversely rugged, 



with the beak curved backwards. 



Anomia cylindrica. Gmelin, Syst. p. 3346. 



Turton, Linn. Syst. iv. p. 288. 



Pennant, Brit. Zool. iv. p. 233. 



Dillwyn, Descript. Catal. p. 291. 



Turton, Conch. Diet. p. 6. 

 Anomia cymbiformis. Linn. Trans, viii, p. 104, tab. 3, fig. 6. 



Montagu, Suppl. p. 64. 



Turton, British Fauna, p. 163. 

 Mus. nost. On Fuci and Sertularise. 



