living and historic tribes* There is nothing so unique that it 
might not belong to the nown tribes or their immediate ances- 
tors* It has been sought to differentiate a paleolithic cul- 
ture and period in America but without tangible result. So far 
as the use of the ter s ‘’paleolithic 11 and M . eolithic 11 art con- 
cerned they my both be omitted from the literature of American 
archeology without loss If not to possible advantage. The sim- 
plest forms of stone implements occur everywhere in connection 
with the moat highly developed forms and neolithic forms are- 
report ed from formations of nearly all periods back to the 
earliest that have been observed. 
In America and especially in Berth America we have 
sought almost in vain to establish a definite chronology of 
man and culture. Evidence of antiquity is not wanting but 
when we try to adjust the phenomena to the geological time 
scale we meet with indifferent success. Hundreds of ancient 
caves have been searched with only negative results; glacial 
gravels have been examined with great care but the returns are 
