140 
THE ANTIQUITY OF MAN 
revealed by the dry bones of the face and limbs. We 
feel assured, however, that certain features of the face 
would have at once struck us as totally different from the 
corresponding features in all varieties of modern man. 
To find eyebrow ridges like those of Neanderthal man, 
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Fig. 47. — I. The supra-orbital ridge or torus and other features of the face of a 
male chimpanzee. II. The form of articular cavity for the lower jaw in the 
Gibraltar skull, contrasted with the forms in the gorilla and modern man. 
A. Articular eminence. E. Digastric fossa. 
B. Post-glenoid spine. F. Occipital condyle. 
C. Meatus of ear. G. Tympanic plate. 
D. Mastoid process. H, Mesial part of articular eminence. 
great continuous horizontal bars of bone, overshadowing 
the orbits — a supra-orbital torus — we have again to 
refer to the anthropoid skull. In the skull of the 
chimpanzee (fig. 47) and of the gorilla we see the same 
development of the forehead and supra-orbital region. 
In modern races the supra-orbital ridges vary enormously 
