Note 2595 — Chapter XIII · EXPORTS FROM AFRICA AND THE EAST.

For example, near the Oxus, where a Macedonian, named Proxenos, in the act of pitching Alexander’s tent, discovered a spring of pure oil. Even the waters of the Oxus were supposed by the ancients to contain oily particles. Plut. Alexand. § 57. On the Persian sulphur, Polyæn. Stratag. iv. 6. 11.