nv^ff-7,J A MOJLOGRAPH 



OK THE 



BRITISH FOSSIL 



ECHINODERMATA 



PROM 



THE CRETACEOUS FORMATIONS. 



VOLUME SECOND. 

 THE ASTEBOIDEA. 



BY 



W. PERCY SLADEN, F.L.S., F.G.S.. &c., 



8ECKETABV OF THE LINNEAN SOCIETY. 



PART FIRST. 



Pages 1—28 ; Plates I— VIII. 



LONDON: 

 PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIBTr. 



1891. 



