PLATE XIII. 



Figs. 1-3. Antedon multispina, n. sp. 



Fig. 1. Side view of a young specimen, 



Fig. 2. Middle portion of an arm of the same, . 



Fig. 3. The pinnule on the third brachial, 



Figs. 4, 5. Antedon lineata, n. sp. 



Fig. 4. Side view, 



Fig. 5. (a) Dorsal and (b) ventral aspects of the pinnule on the twelfth 



brachial, . . . . . . . x 



183 



184 



