80 



BORREBY SKULL. 



CHAP. V. 



' To prevent the possibility of reasoning in a vicious circle, how 

 ever, I thought it would be well to endeavour to ascertain what 

 amount of cranial variation is to be found in a pure race at the present 



Fig. 5 



Skull associated with ground flint implements, from a tumulus at Borreby in 

 Denmark, after a camera lucida drawing by Mr. Gr. Busk, F.K.S. The thick 

 dark line indicates so much of the skull as corresponds with the fragment from 

 the Neanderthal. 



a Superciliary ridge, c The apex of the lambdoidal suture. 



b Coronal suture. d The occipital protuberance. 



e The auditory foramen. 



