PLATE XXIV. 



Diam. Page 



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

 Figs. 1-3. The pinnules on the second, fourth, and sixth brachials, . x 4 141 



Figs. 4-14. Antedon eschrichti, Mull., sp. 

 Fig. 4. A mature cirrus, ..... 



Fig. 5. " Small mature " cirrus, .... 



Fig. 6. Normal young cirrus, ..... 

 Figs. 7-9. The pinnules on the second, fourth, and sixth brachials, 

 Fig. 10. A "Porcupine" specimen with regenerated arm, 

 Fig. 11. A Challenger specimen, .... 



Fig. 12. Terminal portion of an arm, dorsal aspect, 

 Fig. 13. Distal portion of an arm in side view, 

 Fig. 14. Middle portion of an arm, dorsal aspect, 



