“In valley drift we meet commonly with the bones of quadrupeds which graze on plains bordering rivers.”
Other Charles Lyell Quotes
No tools have yet been met with in any of the gravels occurring at the higher levels of the valley of the Seine; but no importance can be attached to this negative fact, as so little search has yet been made for them.
Charles Lyell 
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So far, therefore, as we can draw safe conclusions from a single specimen, there has been no marked change of race in the human population of Switzerland during the periods above considered.
Charles Lyell
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In several sections, both natural in the banks of the Mississippi and its numerous arms, and where artificial canals had been cut, I observed erect stumps of trees, with their roots attached, buried in strata at different heights, one over the other.
Charles Lyell
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