PRIMEVAL MAN 215 



of wholly different blood. Roughly parallel 

 with this was a corresponding development in 

 cultural type. Probably from the earliest times, 

 and certainly in late times, development or 

 change in physical type was often wholly un 

 related to development or change in culture. 

 Sometimes the cultural change was an autoch 

 thonous development. Sometimes it was due 

 to a more or less complete change in blood, 

 owing to the immigration of a strong alien type 

 of humanity. Sometimes it was due to the 

 adoption of an alien culture. 



Many good observers nowadays, judging 

 from the facts at present accessible, are in 

 clined to think that the American Indian stocks 

 were the first human stocks that peopled the 

 western hemisphere, that they are by blood 

 nearest of kin to certain race-elements still 

 existing in northeastern Asia representing 

 the only inhabitants of northeastern Asia when 

 man first penetrated from there to north 

 western America and that more remotely 

 they may be kin to certain late Palaeolithic men 

 of Europe. But much of the American Indian 

 culture was essentially a Neolithic culture, 

 seemingly from the beginning. In places - 

 Peru, Maya-land, the Mexican plateau --it at 

 times developed into a civilization equally 



