GREAT OOLITE SERIES: ESSEXDIffE. 
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The cuttings on the new (Midland) railway, between Bourn 
anj Saxby, opened up a number of interesting sections in the 
Great Oolite Series, and these I had the opportunity of examining 
in the spring of 1892. 
To the north-west of Loimd, north of Elderwood Farm, the 
railway traverses the ground at a comparatively high level ; but on 
