THE GROWTH OF GROUPS 



103 



the nasal bones is one of the generic characters of Nesokia)s 

 As regards the ridges which mark the upper limits of 



A. 



C. 



the temporal muscles, the three skulls are all different 

 from one another. In A and B the ridges are straight, in 

 C they are curved ; but A and B are very different, for 



