Cosmography and Geography in Early Indian Literature c8.s1.9

c8.s1.9

44. Because of this, native fishermen in the king's service, stationed at the very entrance in well-manned large boats called trappaga (trapāka) and cotymba (kotia), go up the coast as far as Syrastrene, from which they pilot vessels to Barygaza. And they steer them straight from the mouth of the bay between the shoals with their crews ; and they tow them to fixed stations, going up with the beginning of the flood, and lying through the ebb at anchorages and in basins. These basins are deeper places in the river as far as Barygaza, which lies by the river, about three hundred stadia up from the mouth.