16 A CRAXIOMETRIC STUDY 



introduce the subject of this index it is useful to mention first 

 of all that the minimum post-orbital diameter of the Java 

 calvaria (^) (Pithecanthropus erectus) is' only 87 mm. The 

 fronto-parietal index for Pithecanthropus was found to be 

 65.4, which meant of course that the minimum post-orbital 



Fig 3 (lonionstrates the fact that tlie Micmac skull was 

 better filled than the Neanderthal calvaria, especially in 

 the region of the post-orbital coastriction. The Nean- 

 derthal specimen is shown in dotted outhne and both crania 

 are drawn to the same scale. Note how the prominent 

 Neandertlial sui)raorbital ridges project beyond the Mic- 

 mac frontal contour. 



