Fig. 6

(a) Male intracranial volumes (mean of Chinchorro individuals: 1390.65 cc; mean of current Chilean individuals: 1594.41 cc). The ICVs of the skulls of Chinchorro individuals were 14.62% smaller than those of current Chilean individuals (mean of Chinchorro individuals (men and women): 1321.74 cc; mean of Chilean individuals (men and women): 1481.23 cc). (b) Female intracranial volumes (mean values of Chinchorro individuals: 1246.36 cc and Chilean individuals: 1390). The ICVs of the skulls of female Chinchorro individuals were 11.52% lower than those of the current female Chilean individuals. (c) ICVs of Chinchorro, Agricultural and current Chilean males and females. (d) Heights of Chinchorro, Agricultural and current Chilean males and females.