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mountains became separated from those of the Taurus. The Black Sea
sank lower and laid bare the valley of the Danube with the above
named countries, and the whole of Asia Minor beyond the Taurus range
to the North, and the plains from mount Caucasus to the Black Sea to
the West, and the plains of the Don this side--that is to say, at
the foot of the Ural mountains. And thus the Black Sea must have
sunk about 1000 braccia to uncover such vast plains.
[
Footnote 8: Danubio, in the original Reno; evidently a mistake
as we may infer from come dissi l. 10 &c.]
III.
THE COUNTRIES OF THE WESTERN END OF THE MEDITERRANEAN.
The straits of Gibraltar (1083-1085).
1
083.
WHY THE SEA MAKES A STRONGER CURRENT IN THE STRAITS OF SPAIN
THAN
ELSEWHERE.
A river of equal depth runs with greater speed in a narrow space
than in a wide one, in proportion to the difference between the
wider and the narrower one.
874
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