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Updated: June 8, 2025
But the contemporaneity of those at Brixham with the extinct animals is demonstrated not only by the occurrence at one point in overlying stalagmite of the bone of a cave-bear, but also by the discovery at the same level in the bone-earth, and in close proximity to a very perfect flint tool, of the entire left hind-leg of a cave-bear. This specimen, which was shown me by Dr. Falconer and Mr.
On what amount of similarity of their faunae is the doctrine of the contemporaneity of the European and of the North American Silurians based?
Even supposing, however, that districts some hundreds of miles apart, furnished groups of strata which completely agreed in their order of superposition, their mineral characters, and their fossils, we should still have inadequate proof of contemporaneity. For there are conditions, very likely to occur, under which such groups might differ widely in age.
By way of due allowance for further discovery, let us double the lesser number and suppose that 60 per cent. of the species are common to the North American and the British Silurians. Sixty per cent. of species in common is, then, proof of contemporaneity.
We were of nearly the same age, but he had a distinct and distinguished priority of reputation, insomuch that in my Western remoteness I had always ranged him with such elders and betters of mine as Holmes and Lowell, and never imagined him the blond, slight youth I found him, with every imaginable charm of contemporaneity.
On what amount of similarity of their faunae is the doctrine of the contemporaneity of the European and of the North American Silurians based?
These assumptions are two: the first, that the commencement of the geological record is coeval with the commencement of life on the globe; the second, that geological contemporaneity is the same thing as chronological synchrony.
Succession implies time; the lower members of a series of sedimentary rocks are certainly older than the upper; and when the notion of age was once introduced as the equivalent of succession, it was no wonder that correspondence in succession came to be looked upon as correspondence in age, or "contemporaneity."
Succession implies time; the lower members of an undisturbed series of sedimentary rocks are certainly older than the upper; and when the notion of age was once introduced as the equivalent of succession, it was no wonder that correspondence in succession came to be looked upon as a correspondence in age, or "contemporaneity."
Because contemporaneity is a most deceiving thing; there is nothing in it. Persia now is not contemporary with Japan; nor modern China with Europe or America. The Achaemenians are separated from us by two pralayas; while between us and the Greeks there is but one.
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