AKT. 12. CATALOGUE OF HUMAN CRANIA HRDLICKA. 51 



4. The important physical relations between the type of the 

 Alaskan and Athapascan Indians and that of the Mongolians point 

 not only to a common parentage but also to a relatively recent 

 derivation from Asia of the Indian groups under consideration. 



5. The highly important feature of low vault is known to be 

 common to other Mongolic peoples in Asia besides those here con- 

 sidered, as, for instance, the Kalmuks, the Turguts, etc., and it will 

 be shown to extend to some noteworthy groups of Indians both in 

 North and South America. 



