[2] The Persian Gulf has the name also of the Sea of Persia. Eratosthenes speaks of it in this manner: “They say that the mouth is so narrow, that from Harmozi,
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the promontory of Carmania, may be seen the promontory at Mace, in Arabia. From the mouth, the coast on the right hand is circular, and at first inclines a little from Carmania towards the east, then to the north, and afterwards to the west as far as Teredon and the mouth of the Euphrates.
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In an extent of about 10,000 stadia, it comprises the coast of the Carmanians, Persians, and Susians, and in part of the Babylonians. (Of these we ourselves have before spoken.) Hence directly as far as the mouth are 10,000 stadia more, according, it is said, to the computation of Androsthenes of Thasos, who not only had accompanied Nearchus, but had also alone sailed along the seacoast of Arabia.
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It is hence evident that this sea is little inferior in size to the Euxine.