482 
THE ANTIQUITY OF MAN 
further on the vault than in the majority of modern 
skulls. That is rather an unexpected fact when we 
remember the size of the lower jaw and the prominence 
of the canine teeth. In the characters of the forehead 
Piltdown man does not fulfil our expectation ; the 
forehead, instead of being narrow, low, and receding, is 
wide, full, and prominent. 
In fig. 179 the right half of the forehead of the 
Gibraltar skull is set by the side of the opposite half 
of an English skull to again recall the points of difference 
between the Neanderthal and modern types. In the 
Bregma 
Bregma 
PILTDOWN. TEST RECONSTRUCTION. 
Fig. 178. — Frontal view of a reconstruction of the Piltdown skull by the 
Author, compared with the reconstruction of the test skull. 
Gibraltar skull the forehead is low but wide ; the 
temporal line ascends on the outer side of the 50-mm. 
line. In the English skull, one with uncommonly large 
temporal muscles, these lines are situated inside the 
50-mm. standard ; the frontal width is unusually low. 
In the English skull the frontal boss or eminence is well 
marked ; it can scarcely be detected in the Gibraltar 
skull. The main point of difference between these 
two types lies in the conformation of the supra-orbital 
ridge. In the Neanderthal type this ridge forms a 
prominent continuous bar of bone, commencing above 
the root of the nose and ending externally in the angular 
