THE DINOSAURS 103 
counterbalance the 
weight of the face 
‘and jaws. When 
we restored the 
skull of this ani- 
mal it was found 
that the centre of 
gravity lay back of 
the eye. Several 
of the bones of the 
neck are united in 
one mass to fur- 
nish a firm attach- 
ment for the mus- 
cles that support 
and move the 
skull, but as the 
movements of the 
neck are already 
restricted by the 
overhanging frill, 
this loss of motion 
is no additional dis- 
advantage. 
To support all 
a 
I fod 
“tS 
TRICERATOPS. PRORSUS Marsh 
Fig. 22. — Skeleton of Triceratops. 
