EVOLUTION OF THE PRIMATES AND MAN 469 



Fig. 183.— Diagrams of longitudinal sections of skulls, superimposed on 

 their centres. (After Sollas.) 



Showing the difference in angular measurement between the nasion-line 

 (from the centre to the top of the nasal bone) and the line through the fora- 

 men magnum (from the centre) : in Gibbon 238 ; in Chimpanzee 239 ; 



TJ fnP ^° PUS 25I Vo n Nea P derth al man 253°; in Rhodesian man 

 62 2 , in Piltdown man 264 ; and in modern man 270 . 



