lpala^ontograpbical Society, 1915. 



A MONOGRAPH 



OF THE 



BRITISH PALEOZOIC 



ASTEROZOA 



BY 



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



PART II. 



Pages 57—108 ; Plates II— V. 



LONDON: 

 PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIETY. 



October, 1916. 



