THE BRAIN OF FOSSIL MAN 
4^5 
We now turn to the restoration of the Piltdown brain 
cast (fig. 158) to see if we can recognise any of the 
indications of the middle line enumerated above. The 
first point to claim our attention is the position of the 
middle line in front, in the frontal region, for until we 
Fig. 158. — Drawings of the Piltdown Ijrain cast as originally restored by Dr 
Smith Woodward. The stippled line on the right shows the extent to which 
the right fragments must be moved outwards to make the two sides sym- 
metrical. The arrows indicate the true middle line. 
have identified this point to our satisfaction we cannot 
restore the parts to their natural positions. In the original 
restoration the middle line in the frontal region runs 
along a median elevation (fig. 158). Is this elevation 
the vascular one which we have seen in other human 
brain casts, or is it the margin of the left hemisphere — 
