Jules Verne,
Journey into the Interior of the Earth…
(1877)
“ Fresh discoveries of remains in the pleiocene formation had emboldened other geologists to refer back the human species to a higher antiquity still. It is true that these remains were not human bones, but objects bearing the traces of his handiwork, such as fossil leg-bones of animals, sculptured and carved evidently by the hand of man. Thus, at one bound, the record of the existence of man receded far back into the history of the ages past ”
