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THE PRINCIPLE OF UNIFORMITY IN GEOLOGY 166
Twofold character of uniformity 3237
The logical function of the principle of uniformity 3842
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accepted according activity admit ages alterations analogy ancient animals appears argument ASA GRAY assumed become beginning believed biological catastrophism causes century changes character circumstances conception conclusion consequently considered continuous course creation CUVIER DARWIN deemed demonstrate denied divine doctrine earth effects established evident evolution existence experiments explain external facts forces formation forms GEOFFROY geological geologists globe gradual happened held higher human HUTTON idea influence kind LAMARCK land laws less Letters living LYELL maintained matter means Mém method MILLER miracle nature necessary never observation occur operation opinion organic organic world origin paleontology past perhaps periods phenomena physical physical laws possible present principle of uniformity produced progression rational reason recent recognized reference rejected relation religious remains result rocks scientific seems shows slow species succession sudden supposed surface theory things uniformitarian universe volcanic whereas whole