PLATE II. 



ECHINODERMS OF THE CRAG. 



Fig. 



1. Ampuidetus CORDATUS, j». 16. 



la. Upper surface. 

 lb. Under surface. 



2. SPATANGUS REGI1NLE, p. 14. 



3. Spatangus purpureus, p. 13. 



la. Upper surface. 



lb. Tubercles and spines. 



4. Brissus SciLL^:,jy. 15. 



la. Upper surface. 

 lb. Caudal extremity. 

 le. Fasciole, &c. 



5 and 6. Echinarachnius Woodii, p. 12. 



7. URASTER RUBENS, p. 17. 



la. Specimen entire. 

 lb. A portion enlarged. 



