IpaUeontograpbical Society, 1908- 



A MONOGRAPH 



ON THE 



BRITISH FOSSIL 



ECHINODERMATA 



FROM 



THE CRETACEOUS FORMATIONS. 



VOLUME SECOND. 

 THE ASTEPOIDEA AND OPHIUROIDEA. 



W. K. SPENCER, BA., F.G.S. 



PART FIFTH. 



Pages 133 — 138; Title-page and Index. 



LONDON: 



PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIETY. 



1908. 



