Ipalxontoovaphical Socict\:, 1003. 



A :\r o X o G R A P H 



ON THE 



BRITISH FOSSIL 



ECHINODERMATA 



THE CUETACEOUS FOKMATIONS. 



VOLUME SECOND. 

 THE ASTEROIDEA. 



W. K. SPENCER, B.A., F.G.S. 



PART THIRD. 



Paoes 67— StO; Plates XVII— XXVI. 



L X DON: 

 PRINTED FOR THE PAL.EONTOGRAPHIC AL SOCIETY. 



1905. 



