PLATE XV. 



Figs. 1-4. Antedon gracilis, n. sp. 

 Fig. 1. Side view of a young individual, 

 Fig. 2. Middle portion of an arm. 

 Fig. 3. Terminal portion of a young arm. 

 Fig. 4. Dorsal aspect of a lower pinnule, 



Diam. Page 



x H 109 



x 4 108 



x 6 108 



x H 108 



Fio-s. 5-8. Antedon valida, n. sp. 



Fig. 5. Side view of a mutilated individual. . . - . x 2 104 



Fig. 6. Side view of a calyx and arm bases with one ray removed, . x 101 



Fio-. 7. Lower portion of an arm from the third brachial onwards, x 2 105 



Fig. 8. A middle, pinnule of a young individual, . . > 



6 105 



Fig. 9. Antedon parvipinna, n. sp. 

 Fig. 9. Side view, . • . x 2 127 



