708 



PAPEES RELATING TO ANTHROPOLOGY. 



of these ancient mound people, but that the same uniformity extended 

 through all the various tribes. Compelled to abandon the idea of a sin- 

 gle widespread people for whom we can assign a typical skull, and com- 

 pelled to relinquish the idea of absolute uniformity of skull-forms in 

 numerous tribes, we are driven to the only remaining hypothesis — that 

 of uniformity in variation in the various tribes 5 and I think it can easily 



e f 



Fig. 25. Crania from monnds near l^Taples, HI. 



be shown that the probabilities of the existence of such fact are very 

 slender. 



Lieut. W. H. Dall* has perfectly expressed my ideas in regard to vari- 

 ability of skull-forms, and the difficulties in attempting to establish 

 typical forms. 



This "factor of individual variation" is strikingly illustrated by 

 the two skulls taken from mound No. 3, at Naples, the one a very 

 brachycephalic and the other a dolichocephalic skull, undoubtedly of 



* On succession in shell-heaps of the Aleutian Islands, in Contributions to North American 

 I^thnology, vol. 1, pp. 70, 71. 



