Reviews—The British Isles. 43 
to the general description and is not accentuated by heavy type. 
For this reason the book is in general easier and more interesting to 
read, but it is not quite so handy for occasional reference. The very 
full correlation tables, however, will be found helpful in this respect. 
Alluvium 
Pliocene 
Eocene & 
Oligocene 
Cretaceous|= 
LAG: 
Ordovician 
WIM 
WKS 
SAS 
Cambrian 
Longmyndian 
& Charnian 
MetamorphicKS\SXy 
Intrusive (eee 
+4, 
Fa 
4 
r= 
Hind, 
++++> 
+ 
+t++ee et teeeeett 
t++tte ete 
t+ etet 
52 
o 
als] 
RRONME 
, CHANNEL\< =< 
or 
5 
— 
4: 
| 
ALL | 
NIH 
I 
I! 
x 
x 
Pf 
x 
x 
x 
| 
| 
| 
I 
| 
| 
0 
Wey =: —— 
\ at == : arenes : Oe, Bill “Beachy Head 
ei ie a 1. of WIGHT 
ie p ast - Is. of Purbeck 
Uy Portland Bil 
> 
50 Start Peint = ENGLISH CHANNEL a" 
! : | 
4 2 0 
Part of a Geological Map of the British Isles, reproduced on a reduced scale 
from the Handbuch der regionalen Geologie. 
