Cosmography and Geography in Early Indian Literature c8.s1.10

c8.s1.10

45. Now the whole country of India has very many rivers, and very great ebb and flow of the tides ; increasing at the new moon and at the full moon for three days and falling off during the intervening days of the moon. But about Barygaza it is much greater, so that the bottom is suddenly seen, and now parts of the dry land are sea, and now it is dry where ships were sailing just before; and the rivers, under the inrush of the flood tide, when the whole force of the sea is directed against them, are driven upwards more strongly against their natural current, for many stadia.