PLATE VIIT. 



PAGE 



Figs. l-lc. Cardm)a{Bucardium.)mirabile,'Deshai.yes,. . . . 159 



Figs. 2-26. Cardium {Acanthocardium) sueziense, Issel, . . . 158 



Figs. 3-36. Cardium (Papyridea) trai/.n-ersale, Deahayes, . . . 162 



Figs. 4-46. Cardium (Fragum) torresi. n. s]i.. . . . . . 164 



