THREE GENERAL CONCLUSIONS. II9 



I need not here go farther into detail as 

 regards this kind of evidence. Suffice it to 

 say, that all the facts tend to these three 

 general conclusions: ist, that Man appeared 

 in Northern Europe at a time when it was 

 covered with great quadrupeds now wholly 

 extinct ; 2d, that the surface of the Earth 

 has since that period been subjected to modi- 

 fications, which imply great changes in phy- 

 sical geography ; and 3d, that the period 

 when those animals flourished, and when Man 

 co-existed with them, was one when a colder 

 climate prevailed. Now no one conclusion of 

 geological science is more firmly established 

 than this, that there was a time, compara- 

 tively very recent, when an Arctic climate 

 prevailed far down into latitudes which are 



