386 
THE ANTIQUITY OF MAN 
the ear-hole is 1 5 mm. below the base line, and therefore 
the height of the vault above the ear-hole is 117 mm., 
a very common measurement in the skulls of modern 
Englishmen. Turning now to fig. 142, where the test 
Fig. 141. — Profile of the test skull and of the reconstructed skull, orientated 
on the lines described in the text. 
reconstruction is compared with the Piltdown skull, the 
reader will be impressed with the degree of resemblance 
which they show. In the ancient skull the vault rises to 
the same height ; the ear-hole is at the same level. The 
auricular height of the Piltdown skull is approximately 
Fig. 142. — Profile of the reconstruction of the test skull compared to 
the reconstruction of the Piltdown skull. 
the mean for modern Englishmen — 117 mm. But a 
deduction has to be made ; the vault of the fossil skull 
is so thick that we must reduce the height by about 
5 mm. to obtain a comparable measurement. In the 
Gibraltar skull the auricular height of the vault is 98 mm., 
with no allowance made for the thickness of the vault. 
