CORAL RAG AND AMP THILL CLAY. 
109 
REPTILIA 
FROM THE CORAL RAG AND ITS CLAY-EQUIVALENT 
[AMPTHILL clay]. 
In Buckinghamshire, Bedfordshire, Cambridgeshire and 
other parts of England the Coral Rag as a Limestone dis¬ 
appears, and is replaced by a Clay which is well seen in the 
cuttings on the Bedford and Luton Railway near Ampthill, 
where the Oxford and Kimeridge Clays are displayed below 
and above the Ampthill Clay. 
Case. Comp. Drawer. Tablet. 
J b 2 19 
20 
21—22 
23 
24 
25 
basi-occipital hone of Ichthyosaurus. 
Ampthill. 
cervical vertebrae, probably of a Steneo- 
saurus. Ampthill. 
teeth of Pliosaurus. Coral Rag. North 
Grimston. 
worn tooth of Pliosaurus. Coral Rag. 
North Grimston. 
worn tooth of Dakosaurus (new sp.). Coral 
Rag. North Grimston. 
caudal vertebra of a reptile (new). Malton. 
In this Drawer are the Reptiles from the Great Oolite. 
