A MONOGRAPH 
MOLLUSCA FROM THE GREAT OOLITE, 
CHIEFLY FROM 
MINCHINHAMPTON 
THE COAST OF YORKSHIRE. 
BY 
J. MORRIS, F.G.S. ax» JOHN LYCETT. 
PAR iE 
UNIVALVES. 
LONDON : 
PRINTED FOR THE PALHONTOGRAPHICAL SOCIETY. 
1850. 
