404 
DESCRIPTION 
OF 
PLATE V. 
This plate represents the extraordinary and highly 
interesting fossil discovered in Tilgate Forest, by the 
Author, in the summer of 1832. The specimen exhibits 
the anterior part of the skeleton of an unknown extinct 
reptile, which has been named the HvLiEOSAURUS, or 
Fossil Lizard of the Weald: vide p. 289, et seq. 
Letters of Reference. 
a a\ the cervical vertebra, 
b b ; the dorsal vertebra, 
h* ; the frst dorsal vertebra. 
c ; the Jfth rib. 
d ; the transverse process of the sixth dorsal vertebra. 
e; the tenth dorsal vertebra. 
ff\ the Omoplates. 
g g\ the Coracoid bones. 
h h ; the dorsal spines, or appendages. 
h* h* h * ; the three dorsal spines, described at p. 323. 
i ; a displaced dorsal spine. 
Jc\ a dermal bone, near the first right rib. 
l\ a broken and displaced dorsal vertebra. 
m m ; the glenoid or humeral cavities ; the sockets for 
the arm-bones. 
