﻿A MONOGRAPH 



ON THE 



BRITISH FOSSIL 



ECHINODERMATA 



FROM 



THE CRETACEOUS FORMATIONS. 



VOLUME SECOND. 

 THE ASTEEOIDEA. 



BY 



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



SECRETARY OF THE LINNEAN SOCIETY. 



PART FIRST. 



Pages 1—28 ; Plates I— VIII. 



LONDON: 

 PRINTED FOR THE PAL^ONTOGRAPHICAX SOCIETY. 



1891. 



