S. H. Warren — Age of Stone Implements. 103 



broken edges, an earlier oclireous staining. All round the edges 

 there are abrasions which are later than the whitening, these 

 later abrasions being in condition B. Thus we see that this flake 

 lay for a long period on the surface, exposed to the influences of the 

 atmosphere, between the time of an earlier ochreous staining (almost 

 certainly preceded by abrasion) and a later abrasion. It seems most 

 probable that when these flints of class B were washed out of their 

 early drift and exposed on the surface, those of class A were also 

 washed out of that first drift and embedded in a second, to be 

 again re-drifted and buried together in the present drift, mingled 

 with contemporary implements. The later abrasions of class B are 

 very possibly contemporary with the implements of class C, but 

 I do not like to force the evidence too far. What has been said 

 is enough to show what a long history of successive abrasions these 

 early implements have suffered ; and further, by careful attention 

 to their condition, that it is possible, in some measure at least, to 

 read what that history has been. 



I should hesitate, from the material at my disposal, to class either 

 of these three ages as of either Acheuleeu or Mousterien or of enaj 

 other epoch. But by an examination of their style of workmanship 

 and their t^'pes, one can easily fix their position, within certain 

 broad limits, in the ' sequence date ' scale. The rude ovate and 

 other implements of the oldest series fall into the scale at P. 30-45 ; 

 the next series at P. 45-65 ; while the latest implements consist of 

 the waste product of a workshop, spalls, cores, and ' wasters ' or 

 ehauches, from which little can safely be inferred. They seem 

 to come in at P. 65-80, but as they are ill-defined it is better to 

 class them as P. 60-99. 



It may be worth while to mention, in passing, that calcined flints 

 are not uncommon in this layer of stones. There can be no doubt 

 that these were burnt by the fires lighted by the Palaeolithic men 

 who made the latest of these implements. 



In another layer of stones,^ above the one I have been dealing 

 with, there are other implements. The number I have is not 

 very large, but they include : ochreous, abraded, derived forms, 

 ajDparently about P. 30-50 ; ochreous, almost unabraded implements 

 of skilful workmanship, evidently drifted, but from no great 

 distance, apparently P. 60-70 ; together with a few flakes and cores, 

 contemporary (quite unabraded} and whitened in condition, which 

 may very probably be Palaeolithic, but about whose exact position 

 in the drift I am uncertain. At present, at least, they are of no 

 particular interest. 



It sometimes happens that an implement not only shows later 

 accidental fractures which are contemporary with another series of 

 implements, but even a later working. These re-worked examples 

 have been recorded by many observers, and I have a good example 

 from Santon Downham, Suffolk, near Thetford, to which locality 

 I shall refer again towards the end of this paper. 



Flints may become chipped, through movements of the soil, 

 1 Geol. Mag., September, 1900, p. 407. 



