PLATE LXIX. 



Cardiaster PTGMiEUSj Forbes. 



From the Upper Chalk. 



Fig. 1 a. Upper surface, magnified twice. Museum Royal School of Mines. (P. 301.) 



b. Under do. do. 



c. Lateral view do. 



d. Posterior border and periprocte, magnified twice. 



e. Anterior border and anteal sulcus do. 



Cardiaster grandlosus, Goldfms. 

 From the Upper Chalk. 



Fig. 2 a. Upper surface, natural size. My Collection. (P. 302.) 



b. Under do. do. 



c. Lateral view do. 



d. Posterior border and periprocte. 



e. Anterior do. and anteal sulcus. 



/. Plates with tubercles from upper surface, magnified. 

 ff. Marginal plates with tubercles and marginal fasciole. 

 h. Tubercles from the dorsum, highly magnified. 

 i. Do. do. base do. 



Fig. 3. Flint mould of Cardiaster granulosus. 



