There is a definite line dividing black from yellow water, and then no more tapajos.
It was in the river tapajos, where this species of fish is found in great plenty.
One of the largest semi-civilised tribes inhabiting the banks of the tapajos are the Mundurucus.
Parallel to the tapajos, and about two hundred miles distant, flows the Xingú.
The Indians on the tapajos use a poisonous liana called timbó (Paullinia pinnata).
They inhabit both banks of the tapajos, and can muster, it is said, 2000 fighting men.
There are several kinds of piranha, many of which abound in the waters of the tapajos.
At length, while residing at an Indian village on the tapajos, I had ample proof of the fact.