PLATE XX. 

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



Diarn. Page 



Fig. 1. Side view, . . . . . . . x 4 110 



Fig. 2. A distal pinnule, . . . . . .X12 110 



Figs. 3, 4. Antedon bispinosa, n. sp. 

 Fig. 3. Side view, . . . . . . . x 3 1 1 5 



Fig. 4. The pinnule of the fourth brachial, . . . x 12 115 



