361 



Plate XV. 



10. Limcea parvuia, Yerco, exterior. 



11. ,, ,, ,, interior. 

 12,13.,, ,, „ hinge. 



14. Turritella kimheri, Verco. 



15. ,, ,, ,, protoconch. 



16. Arcularia grandior, Verco. 



17. ,, ,, ,, a variant to show the aper- 



ture. 



Plate XVI. 



18. Venericardia delicata, Verco, interior. 



19. ,, ,, ,, exterior. 



20. Carditella vincentensis, Verco, exterior. 



21. ,. ,, ,, interior. 



22. ,. valida, Verco, exterior. 

 23, 24. ,, ., ,, hinge. 



Plate XVII. 



25. Condyiocardia subradiata, Tate, type shell, exterior 



26. ,, ,, ,. ,, interior. 

 27,28. ,, ,, .. not the type shell, show 



ing the hinge. 



29. Cuna comma, Verco, exterior. 



30, 31. ,, ,, hinge. 



Plate XVIII. 

 32, 33. Turbo jourdani, Kiener, operculum. 

 34, 35. ,, stamineus, Martyn, ,, 

 36,37. ,, gruneri, Philippi, ,, 



38, 39. ,, undulatus, Martyn, ,, 



