12 BIVALVE SHELLS. 



Cytherea sinuata, Turton, Dithyra Brit. pi. 10. f. 10, 11 (not 



desorij)tion). 

 .\rtcmis exoleta, Gray, Cat. Cytk. Analyst, t. viii. p. 309. 



.Sow.jim. The.'!. Conch, p. 658. no. 12. pi. 141. f. 12-14, 

 Dosinia exoleta, Desk. Tr. Elem. de Conch, p. 619. pi. 20. f. 9, 



10, 11. 



Hah. OccannsEuropeanus,niareMediterraneumet Senegalense. 

 FossilL<; Venus lentifonuis, Sow. Min. Conch, pi. 203, vocata 

 Crag Angliae. 



21. Dosinia radiata. 



D. testa orbiculari, postice subflexuoso-contorta, concentrice 

 crebrilirata, liris subirregularibus, scabriusculis, area ligamenti 

 siniplici, lunula suboblongo-cordata, impressa, albida, fulvo- 

 rosaceo radiata. 



.\rteinis radiata. Reeve, Conch. Icon. j)l. 7- f- 37. 



Hub. Sinus Gambiensis. 



22. Dosinia dilatata. B.M, 



D. testa orbiculari, sequilaterali, margine dorsali fere rectilineo, 

 alba fulvo radiata; striis transversis elevatis, scabris; lunula 

 cordata, impressa cardine ut in Dosinia exoleta (Chemn.). 



Venus exoleta aequilateralis, Chemn. Conch, t. vii. p. 22. nl. 38. 



f. 406. ' 



Cytherea (Artemis) dilatata, Philip. Abbild. Conch, p. 6. no. 13. 

 An Art. Amphidosraoides? Reeve. 



Hub. India oceidentalis. 



23. Dosinia amphidesmoides. 



D. testa suborbiculari, concentrice elevato-striata ; striis ad latera 

 convergentibus, paucioribus, area ligamenti simplici, lunula 

 cordata, subinipressa ; alba aut rui)ida, obscure roseo-radiata, 

 circa umbones violaceo-roseis. 



Artemis amphidesmoides, Reeve, Conch. Icon. Artemis, pi 8. 

 f. 48. ^ 



Sow.jun. Thes. Conch, p. 669. no. 15. pi. 141. f. 17-19. 

 Hub. Insula Burias Philippinai-um. 



24. Dosinia li.vcta. B.M. 



D. testa orbicidari, tumida, ina;quilaterali, albida immaculata, 

 iiitida, concentrice striata ; striis tenuissimis, confertis, regu- 

 laribus, laFivibus, antice posticeque angustioribus, lamellseformi- 



