A MONOGRAPH 
OF THE 
BRITISH JURASSIC GASTEROPODA. 
BY 
WILFRID H. HUDLESTON, M.A., F.R.S. 
PARL LS Noie: 
GASTEROPODA OF THE INFERIOR OOLITE. 
Pages 225—272; Prares XVII—XX, 
LONDON: 
PRINTED FOR THE PALZONTOGRAPHICAL SOCIETY. 
1892, 
