PLATE IX. 



Antedon multiradiata, n. sp. 



Fig. 1. Side view. ..... 



Fig. 2. The disk, from above, .... 



Fig. 3. Distal portion of an arm, 



Fig. 4. Ambulacral groove of an arm, . 



Fig. 5. A pinnule from the middle of an arm, . 



Fig. 6. One of the proximal pinnules, its end broken, . 



