538 MANUAL OF THE MOLLTJSCA. 



PLATE XIX: 

 The figures marked arc left valves. 



Cardiaclcd. 



Page 

 1. Cardmm costatum, L. ^. China 453 



2. Ij-ratum, Gr. Shy. |. Madagascar 453 



3. hemicardiuin, L. |. China 454 



4.* {Aclacna) edentulum, Pallas, f. Caspian 454 



5. Conocardiiim Hibernicum, Sby. ^. Carb. limestone, Kildare 455 



Lucinid(€. 

 6.*Lucina Pennsylvanica, L. -|}. W. Indies 456 



7. {Cryptodon) flexnosa, Mont. Brit 456 



8. Corbis elegans, Desh. \. China 457 



9. Diplodonta lupiniis, Broc. sp. IMiocene, Turin 458 



10. Ungulina oblonga, Daud. |. W. Africa 458 



11. Kellia Lapcrousii, Desh. California 459 



12. {Toronia) rubra, Mont. ±. Brit 459 



13. Montacuta substriata, Mont. A. Brit 460 



14. Lepton squamosiun, Mont. |-. Brit 460 



15. Galeomma Turtoni, Sby. Brit 461 



16.-*Cyamium antarcticum, Phil |-. Falkland Ids 458 



CiicladAdae. 



17. Cyclas cornea, L. R. Thames 461 



18. -^ {Fisidium) amnica. Mull. A. E. Thames 462 



19. Cyrenoides Dupontii, Joan. § 463 



20. Cyrena cyprinoides, Quoy. |. Ceylon 462 



21. {Corbicula) consobrina, Caillaud. Alexandrian Canal 462 



C>/2}rwid(€. 



22. Cyprina Islandica, L. I. N. Brit •. 462 



23. Cardinia Listeri, Sby. sp. ^. Lias, Cheltenham 470 



24. Opis lunulata, Miller sp. Inf. Oolite, Bridport 470 



25. Myoconcha crassa, Sby. ^. Inf. Oolite, Dundry 471 



