MANUAL OF THE MOLLUSOA. 19 



PLATE XIX. 



* The figures marked are left valves. 



Cardiadcs. 



PAGE 



1. Cardium costatum, L. . China 290 



2. lyratum, G. Sby. . Madagascar 290 



3. hemicardium, L. . China 291 



4,* (Adacnd) edentulum, Pallas, f. Caspian 291 



5. Conocardium Hibernicum, Sby. . Carb* limestone, Kildare ... 292 



Lucinidce. 



6. *Lucina Pennsylvania, L. . W.Indies 292 



7. (Cryptodon) flexuosa, Mont. Brit 293 



8. Corbis elegans, Desh. fc. China 293 



9. Diplodonta lupinus, Broc. sp. Miocene, Turin 294 



10. Ungulina oblonga, Baud. f. W.Africa 294 



"1 1 . Kellia Laperousii, Desh. California 295 



12. (Poronia) rubra, Mont, f Brit 294 



13. Montacuta substriata, Mont. ^. Brit 295 



14. Lepton squamosum, Mont. -J-. Brit 296 



15. Galeomraa Turtoni, Sby. Brit 296 



J6.*Cyamium antarcticum, Phil. }. Falkland Ids 294 



Cycladida. 



17. Cyclas cornea, L. R. Thames 29? 



18. (Pmdium) amnica, Miill. f . R. Thames 297 



19. Cyrenoides Dupontii, Joan, f 298 



20. Cyrena cyprinoides, Quoy. i. Ceylon 297 



21. (Corbicula) consobrina, Gray. Alexandrian Canal 297 



CyprwidcE. 



22. Cyprina Islandica, L. . N.Brit 298 



23. Cardinia Listeri, Sby. sp. $-. Lias, Cheltenham 302 



24. Opis lunulata, Miller sp. Inf. Oolite, Bridport 302 



25. Myoconcha crassa, Sby. , Inf. Oolite, Dundry 303 



