"^07, MONOGRAPH 



V\olK 



LIAS AMMONITES 



THE BEITISH ISLANDS. 



BY THE LATE 



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



VICE-PRESIDENT OF THE PAL^ONTOGRAPHlCiL SOCIETY; CORRESPONDING MEMBER OF THE ROYAL SOCIETY OP SCIENCES 



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



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



AND MEDICAL OFEICER OF HEALTH TO THE URBAN SANITARY DISTRICTS 



OF CHELTENHAM, CHARLTON KINGS, AND LECKHAMPTON. 



LONDON : 



PEINTED FOE THE PAL^ONTOGE APHICAL SOCIETY. 



1878—1886. 



