111 



MONOGRAPH 



ON THE 



BRITISH FOSSIL 



ECHINODERMATA 



OP 



THE OOLITIC FORMATIONS. 



BY 



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



VICE-PRESIDENT OP THE PALiEONTOGEAPHICAL SOCIETY; COREESPONDING MEMBEE OF THE EOYAL SOCIETY OF SCIENCES 

 OF LIEGE ; THE SOCIETY OF NATURAL SCIENCES OF NEUCHATEL ; VICE-PEESIDENT 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 IL— THE ASTEUOIDEA AND OPHIUEOIDEA. 



JUL 1 8 1986 



OftRARIES LONDON 



PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIETY 



1863—1880. 



