OF TILGATE FOREST. 
261 
Crocodile. — The remains of Crocodiles have 
been found in all the secondary formations of 
England, from the Oolite to the chalk inclusive ; 
and also in the tertiary deposits. Their existence 
in the Wealden formation was first noticed in our 
former works ; and imperfect as were the speci- 
mens then in our possession, we expressed our 
conviction that they approached very nearly to the 
crocodile with concave vertebra; found at Havre. 
M. Cuvier, in the new edition of tlie Os.semens 
F'ossilesy confirms our conjectures, and also states, 
that the bones in question are almost identical 
with the fossil crocodile of Caen* *, which belongs 
to the Gavialsy a subdivision of the genus, cha- 
racterised by the narrow, elongated, almost cylin- 
drical jaws, which form an extremely lengthened 
muzzle. The teeth of the crocodile are distin- 
1 2 3 
1. Tooth of the Megalosaurus. 
2. Tooth of the fossil Gavial of Tilgate Forest. 
3. Tooth of the fossil Crocodile of Tilgate Forest. 
* The presence of Crocodilian remains in the Lias is not at present 
positively determined. Mr. Conybeare observes, that “ the bones from 
Whitby are of the Ichthyosaurus, and Plesiosaums.” * Crocodiles’ 
• Parkinson’s Intro»l. Org. Kem. p.286. 
s S 
