The layers formed in succession are detached from the scoop, exposed to the sun, hardened, and assume the brownish color with which we are familiar.

The manufacture is then complete.
Benito, finding a capital opportunity, bought from the Indians all the caoutchouc stored in their cabins, which, by the way, are mostly built on piles.

The price he gave them was sufficiently remunerative, and they were highly satisfied.
Four days later, on the 14th of August, the jangada passed the mouths of the Purus.
This is another of the large affluents of the Amazon, and seems to possess a navigable course, even for large ships, of over five hundred leagues.

It rises in the southwest, and measures nearly five thousand feet across at its junction with the main river.

After winding beneath the shade of ficuses, tahuaris, nipa palms, and cecropias, it enters the Amazon by five mouths.
Hereabouts Araujo the pilot managed with great ease.