Tl: ! \.\h AM l ' MAN -7 



sion of migrations corresponding to climatic changes, 

 remains of human ha) - accumulated at different 



levels in the floor sands of these ancient caverns. We 

 find at <i implcineir senting by the 



FIOUEE 37. Map showing UN- Locnt, .irtorfe Cavw, all 



of them ornamentrd by Painting nd Drawing*. 



grade of their workmanship, various cultural stages of- 



or responding to stratigraphical sequence. 



In some sections of the continent there is a break in 



the continuity of cultural development from the u 



paleolithic or rough stone age to the neolithic or pol- 



1 stone age. K.-ane says that the dements of their 



respe.-t i\ e -nltures ditTer so widely as almost to suggest 



some violent dislocation or sudden cataclysm. 41 The 



consequence is a prevailing impression Uiat there was 



:i from the rude culture of the rough 



stone men to the more developed culture of the polished 



stone men. Notahly in P.ritain th.-iv seems. to have been 



p, of. of., p. 110. 



