MONOGRAPH 



ON THE 



BRITISH FOSSIL 



ECHINODERMATA 



FROM 



THE CRETACEOUS FORMATIONS. 



BY 



THOMAS WRIGHT, M.D., F.R.S., F.G.S., 



VrCE-PRESIDENT OF THE PAL^ONTOGRAPHICAL SOCIETY; CORKESPONDING MEMBER OF THE ROYAL SOCIETY OP SCIENCES 



OF LliiGE; THE SOCIETY OF NATURAL SCIENCES OF NEUCHATEL; VICE-PRESIDENT OF THE COTTESWOLD 



naturalists' FIELD CLUB; CONSULTING SURGEON TO THE CHELTENHAM HOSPITAL; 



AND MEDICAL OFFICER OF HEALTH TO THE URBAN SANITARY DISTRICTS 



OF CHELTENHAM, CHARLTON KINGS, AND LECKHAMPTON. 



VOLUME FIRST. 

 PART TENTH. 



CONCLUSION. 



Pages i— xviii, 325—371 ; Plates LXXVI— LXXX. 

 With Title-page and Dikections for Binding. 



LONDON: 

 PRINTED FOR THE PALiEONTOGRAPHICAL SOCIETY. 



1882. 



