SUPPLEMENT 



TO THE 



CRAG MOLLUSC A, 



COMPRISING 



TESTACEA FROM THE UPPER TERTIARIES OF THE 

 EAST OF ENGLAND. 



BY 



SEARLES V. WOOD, F.G.S. 



PART I. 



UNIVALVES. 



WITH 



AN INTRODUCTORY OUTLINE OF THE GEOLOGY OF THE 

 SAME DISTRICT, AND MAP. 



Br 

 S. V. WOOD, Jun., F.G.S., and F. W. HARMER, F.G.S. 



Pages i — xxxi; 1—99; Plates I — VII. 



LONDON: 



PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIETY. 



1872. 



