REPTILIA. 
21 
Sussex; and in Wall-case 4 there is another Wealden Wall-case 
Stegosaurian, Polacantlius foxi , discovered by Rev. W. 4 - 
Fig. 15.— Restored skeleton of an armoured Dinosaur (Scelidosaurus 
harrisoni), from the Lower Lias of Charmouth, Dorset; about one- 
thirtieth nat. size. The figure shows the pair of large spines on the 
shoulders and ;a row of smaller spines behind; also the bony tendons 
crossing and fixing together the neural spines of the vertebrae. 
(Case M.) 
Darwin Fox in Barnes Chine, Brixton, Isle of Wight. The 
latter specimen lacks the fore¬ 
quarters, hut shows the paired series 
of sharply pointed spines on the back, 
a continuous bony shield over the 
hip-region ornamented with symme¬ 
trically arranged bosses, and another 
paired series of spines on the slender 
tail. One of the oldest Stegosauria, 
Scelidosaurus harrisoni, from the 
Lower Lias of Charmouth, near 
Lyme Regis, is represented by a 
nearly complete skeleton in a slab 
of hard rock in Case M. This reptile 
(Fig. 15) must have measured about 
12 feet in length, and its armour 
is comparatively feeble. The snout of 
Fig. 16.—A single Hupper 
tooth of Scelidosaurus 
harrisoni, from the Lower Ca se M. 
Lias of Charmouth, Dor¬ 
set ; twice nat. size. 
the long head is broken 
