A MONOGRAPH 



ON THK 



BRITISH FOSSIL 



ECHINODERMATA 



FROM 



THE OOLITIC FORMATIONS, 



BY 



THOMAS WRIGHT, M.D., F.R.S.E. 



PART SECOND, 



CONTAINING 



THE DIADEMAH3E, ECHINUS, 8ALENIAM, AND 



ECHINOCONID^l. 



LONDON: 



PRINTED FOR THE PALjEONTOGRAPHICAL SOCIETY. 

 1856. 



