15/42 It had, however, a slightly yellowish-green tinge, somewhat deeper than its natural color. This arose from the quantity of sand carried by the rising flood from sand-banks, which are annually shifted from one spot to another, and from the pieces falling in as the banks are worn; for when the water is allowed to stand in a glass, a few seconds suffice for its deposit at the bottom. This is considered an unhealthy period. When waiting, on one occasion, for the other canoes to come up, I felt no inclination to leave the one I was in; but my head boatman, Mashauana, told me never to remain on board while so much vegetable matter was floating down the stream. |