A MONOGRAPH 
OF 
BRITISH BELEMNITID A. 
BY 
eOURIN: “Pan ih AlnB.S:, 
M.A. OXON., LL.D. DUBLIN, LL.D. CAMBRIDGE, D.C.L. OXON., F.R.S., F.G.S., ETC., 
PROFESSOR OF GEOLOGY IN THE UNIVERSITY OF OXFORD. 
PART IY, 
Paces 87—108; Prares XXI—XXVII. 
LONDON: 
PRINTED FOR THE PALAHONTOGRAPHICAL SOCIETY. 
1869. 
