Marcus Varro tells us that at the time when Pompey commanded against Mithridates, they were informed that people went in seven days from India to the country of the Bactrians, and to the River Icarus, which falls into the Oxus;
handik Indiako salerosgaiek Kaspio itsasoa zeharka zezaketela, eta Ziro ibaiaren bokalean sartu;