CAS. 137.
2
than 3000, particularly in the vicinity of the Pyrenees, which form the eastern side. This chain of mountains stretches without interruption from north to south,
3
and divides Keltica
4
from Iberia. The breadth both of Keltica and Iberia is irregular, the narrowest part in both of them from the Mediterranean to the [Atlantic] Ocean being near the Pyrenees, particularly on either side of that chain; this gives rise to gulfs both on the side of the Ocean, and also of the Mediterranean; the largest of these are denominated the Keltic or Galatic Gulfs,
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and they render the [Keltic] Isthmus narrower than that of Iberia.
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The Pyrenees form the eastern side of Iberia, and the Mediterranean the southern from the Pyrenees to the Pillars of Hercules, thence the exterior [ocean]
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as far as the Sacred Promontory.
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The third or western side runs nearly parallel to the Pyrenees from the Sacred Promontory to the promontory of the Artabri, called [Cape] Nerium.
9
The fourth side extends hence to the northern extremity of the Pyrenees.