Fig. 



7. Edpatagds Hastingi^, j9. 26. 



la. Upper surface. 



lb. Anal extremity, showing the caudal fasciole. 



7c. Portion of the odd ambulacrum. 



Id. and e. Spinagerous tubercles. 



8. Hemiaster Branderianus, p. 28. 



8a, b, c. Portions of the Barton variety. 



8</and e. Example from Haverstock Hill, magnified and restored. 



9. Spatangus Omalii, p. 28. 



9a, Fragments from Barton. 

 96. Restoration of upper surface. 

 9c. Tubercles and their areolae. 



ECHINODERMS OF THE CRAG. 



10. Echinus melo? p. 4. 



11. TeMNECHINUS TURBINATUS, jt>. 8. 



\\a. Upper surface. 



1 1 h. Side view. 



lie. Ambulacral and interambulacral plates. 



