MEMOIRS 



OF THE 



GEOLOGICAL SURVEY 



OP 



THE UNITED KINGDOM. 



ILLUSTRATIVE OF 



BRITISH ORGANIC REMAINS. 



DECADE III. 



PUBLISHED BY ORDER OF THE LORDS COMMISSIONERS OF HER MAJESTY'S TREASURY. 



LONDON: 



PRINTED FOR HER MAJESTY'S STATIONERY OFFICE: 



PUBLISHED BT 



LONGMAN, BROWN, GREEN, AND LONGMANS. 



1850. 



