The Gulf of Persia, which Nearchus was now about to enter, comprehends the coasts of Karmania, Persis, and Susiana.  Nothing important occurred till the vessels arrived off Cape Mussenden in Karmania, where they anchored:  at this place Nearchus and Onesicritus differed in opinion relative to the further prosecution of the voyage; the latter wished to explore this cape, and extend the voyage to the Gulf of Arabia.  The reason he assigned was, that they knew more of this gulf, than of the Gulf of Persia; and that, as Alexander was master of Egypt, in the former gulf they would meet with more assistance than in the latter.  Nearchus, on the contrary, insisted that Alexander’s plan in directing, this voyage should be exactly pursued:  this plan was, to obtain a knowledge of the coast, with such harbours, bays, and islands, as might occur in the course of the voyage; “to ascertain whether there were any towns bordering on the ocean, and whether the country was habitable or desert.”  The opinion of Nearchus prevailed, and the voyage was pursued according to its original course and purpose.

As Nearchus had reason to believe that the army of Alexander was at no great distance, he resolved to land, form a naval camp, and to advance himself into the interior, that he might ascertain this point.  Accordingly, on the 20th of December, the 80th day after his departure, he formed a camp near the river Anamis; and having secured his ships, proceeded in search of Alexander.  The first intelligence of their sovereign, however, seems to have been obtained accidentally.  The crew of Nearchus were strolling up the country, when some of them met with a man whose dress and language instantly discovered that he was a Greek:  the joy of meeting with a countryman was greatly heightened when he informed them that the army which he had lately left, was encamped at no great distance, and that the governor of the province was on the spot.  As soon as Nearchus learnt the exact situation of the army, he hastened towards it; but the governor, eager to communicate to Alexander intelligence of his fleet, anticipated him.  Alexander was exceedingly pleased; but when several days elapsed, and Nearchus did not arrive, he began to doubt the truth of what the governor had told him, and at last ordered him to be imprisoned.

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In the mean time Nearchus was prosecuting his journey along with Archias and five or six others, when he fortunately fell in with a party from the army, which had been sent out with horses and carriages for his accommodation.  The admiral and his attendants, from their appearance, might have passed unnoticed.  Their hair long and neglected, their garments decayed, their countenance pale and weather-worn, and their persons emaciated by famine and fatigue, scarcely raised the attention of the friends they had encountered.  They were Greeks, however; and if Greeks, it was natural to inquire after the army, and where it was now encamped.