Time and Life: Mr. Darwin's "Origin of Species"

Time and Life: Mr. Darwin's "Origin of Species"

About this book

EVERYONE knows that that superficial film of the earth's substance, hardly ten miles thick, which is accessible to human investigation, is composed for the most part of beds or strata of stone, the consolidated muds and sands of former seas and lakes, which have been deposited one upon the other, and hence are the older the deeper they lie.

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