468 OSBORN AND REEDS— PREHISTORY OF ~MAN IN EUROPE 



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Tundra 



Grass steppe 



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Meadow- land 



DISINTEGRATION 



with woods 



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 DISINfEGRAT 



Forest 



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Meadow land with woods 



Grass Steppe 



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Tundra 





ss steppe 



t 

 Meadow-land 



with woods 



Advance phase 

 of an ice time 



Hijh point of an 

 interracial time 



Retreat phase 

 of an ice time 



High point of an 

 •ice time 



Advance phase 

 ►of an ice time 



Distance of the +J300 6 -360 -600 -960 -1200 



drift from the Normal climatic curve of an ice and an interdlacial time 

 present snow line 6 ^ de , 



Figure 12. — Normal climatic Curve of Glacial and Inter glacial Times 

 After Soergel, modified by Chester A. Reeds. 



