MONOGEAPH 



LIAS AMMONITES 



THE BRITISH ISLANDS. 



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



VICE-PRESIDENT OF THE PAL/EONTOGRAPUICAL SOCIETY; CORRESPONDING ME3IBEK OF THE KOYAL SOCIETY OP SCIENCES 



OF liege; THE SOCIETY OF NATURAL SCIENCES OP NEUCHATEL; VICE-PRESIDENT OP THE COTTESWOLD 



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



AND MEDICAL OFFICER OF HEALTH TO THE URBAN SANITARY DISTRICTS 



OP CHELTENHAM, CHARLTON KINGS, AND LECKHAMPTON. 



PART SEVENTH— DESCRIPTION OF SPECIES. 



Pages 441—480 ; Plates LXXVIII— LXXXVII. 



LONDON: 



PRINTED FOR THE PAL^ONTO&RAPHICAL SOCIETY. 



1884. 



