PLATE XII. 

 Figs. 1, 2. Antedon rhomboidea, n. sp. 



Diaru. Page 

 X 2 148 



Fig. 1. Side view, 



Fig. 2. A lower pinnule, . . x 3 148 



Figs. 3-5. Antedon gracilis, n. sp. 

 Fig. 3. The disk, from above, ... 

 Fig. 4. Side view of a mutilated individual, 

 Fie;. 5. A cirrus, 



