riint Hatchet from the River-gravel. cover the gravel, and Sir Charles Lyell and Sir JohnLubbock, without explicitly accepting, substantiallyacquiesce in this conclusion. The gravels (in some places twenty or thirty feet RIVER-GRAVELS. 123 thick) were, as remarked, laid down before this… … Spear-head from the River-gravel. being laid down first, and the river, through the lapseof tens or hundreds of thousands of years, graduallyexcavating the valley, and then depositing the low-levelgravels. The antiquity of the human relics found is to 124 THE EPOCH OF THE MAMMOTH. be measured,…
Archaeology · Human beings -- Origin
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