Sections across Eozoic and Older Palaeozoic 3 
Horizontal Scale about 1 inch to a mile ; ^ i ' 
Fig. 1. — Section across St. David'! L 
S of Point St. John n Ramsey Sound. 
St. David’s Valley. 
Fig. 2. — Section from the Coast near Solva tc 1 
Solva. Carnedren. 
Fig. 3. — Section from Haverfordwest to the J lit I 
Haverfordwest. 
s I 
o. Llandovery Group 
n. Bala 
5v 
m. Llandeilo 
55 
l. Llanvirn 
k. Arenig 
55 
i. Tremadoc 
5 5 
h. Dolgelly 
55 
g. Ffestiniog 
55 
/. Maentwrog 
55 
e. Menevian 
55 
d. Solva 
c. Caerfai 
55 
Palaeozoic 
(Lowest Groups). 
