346 
THE ANTIQUITY OF MAN 
where the right and left bones are superimposed. On 
each side the lower border is preserved — the margin of 
which is bevelled for articulation with the plate or squama 
of the temporal bone. The most remarkable fact is that 
almost the same amount is missing from the hinder and 
lower border of each side. Fortunately, we can tell 
exactly how much is missing on the left side, because we 
possess the temporal bone of that side. When the 
PARIETAL 
20 30 40 50 60 70 80 
^^ "^ "'ASTER /ON 
Fig. 119. — The right and left parietal bones superimposed to show 
how much of each is missing. 
temporal is articulated with the lower border of the left 
parietal we see at once how much is missing at the 
hinder angle. When the left parietal was intact (see fig. 
100, p. 317) its hinder angle came .into contact with the 
adjacent parts of the temporal. Along the hinder margins 
of the two parietals remnants of the sutural lines are 
preserved. On both sides a trace of the middle part of 
the lambdoid suture can be detected — the preserved 
part on the right side rising upwards and projecting 
