Plate 1. 
,Tr imingham 
.Norwich 
Yarmouth 
'Cambridge 
Melbourn 
Ipswich 
Hitchin 
larwich 
rotternhoe 
LONDON 
.Windsor 
Chatham' 
forking 
Salisbury 
lover 
’Winchester 
rchester 
'Eastbourne 
fentnor 
lieppe 
E Weller4Grahams.l<(* Litho.London 
Map of the areas occupied by the Chalk in England & in the adjacent regions. 
Chalk oorvrealed by Tertiary deposits 
\ChaZh>. 
Rocks older than, the Chalk . 
The lighter teats are. areas covered, by seeu 
