PLATE XXIY. 



1-j. Echinolampas depressa Gray. 



Young specimen, seen from above, 5 mm. long, diameter. 



The same, seen in profile. 



The same, seen from the actinal side. 



The actinostome of same. 



The anal system of same. 



6-15. Palasobrissus Hilgardi A. Ag. 



Fig. 6. Seen from above, covered -with spines. 



Fig. 7. The same, from the actinal side. 



Fig. 8. The same, in profile. 



Fig. 9. Same as Fig. 7, denuded. 



Fig. 10. Same as Fig. 6, denuded. 



Fig. 11. Same as Fig. 8, denuded. 



Fig. 1l>. Same, seen facing the anal extremity. Figs. 6-12, natural size. 



Fig. 13. Actinostome of Fig. 9, enlarged. 



Fig. 14. Anal system, enlarged. 



Fig. L5. Apical system, enlarged. 



