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The Naturalist on the River Amazons [50]

By Root 2367 0
Ficus, and is considered, I believe, in commerce, an inferior article to the India-rubber of Para. The Siphonia elastica grows only on the lowlands in the Amazons region; hitherto, the rubber has been collected chiefly in the islands and swampy parts of the mainland within a distance of fifty to a hundred miles to the west of Para; but there are plenty of untapped trees still growing in the wilds of the Tapajos, Madeira, Jurua, and Jauari, as far as 1800 miles from the Atlantic coast. The tree is not remarkable in appearance; in bark and foliage it is not unlike the European ash. But the trunk, like that of all forest trees, shoots up to an immense height before throwing off branches. The trees seem to be no man's property hereabout. The people we met with told us they came every year to collect rubber on these islands as soon as the waters had subsided, namely in August, and remained until January or February.

The process is very simple. Every morning each person, man or woman, to whom is allotted a certain number of trees, goes the round of the whole and collects in a large vessel the milky sap which trickles from gashes made in the bark on the preceding evening, and which is received in little clay cups, or in ampullaria shells stuck beneath the wounds. The sap, which at first is of the consistence of cream, soon thickens; the collectors are provided with a great number of wooden moulds of the shape in which the rubber is wanted, and when they return to the camp, they dip them into the liquid, laying on, in the course of several days, one coat after another. When this is done, the substance is white and hard; the proper colour and consistency are given by passing it repeatedly through a thick black smoke obtained by burning the nuts of certain palm trees, after which process the article is ready for sale.

India-rubber is known throughout the province only by the name of seringa, the Portuguese word for syringe; it owes this appellation to the circumstance that it was only in this form that the first Portuguese settlers noticed it to be employed by the aborigines. It is said that the Indians were first taught to make syringes of rubber by seeing natural tubes formed by it when the spontaneously-flowing sap gathered round projecting twigs. Brazilians of all classes still use it extensively in the form of syringes, for injections form a great feature in the popular system of cures; the rubber for this purpose is made into a pear- shaped bottle, and a quill fixed in the long neck.

September 24th.--Opposite Cameta, the islands are all planted with cacao, the tree which yields the chocolate nut. The forest is not cleared for the purpose, but the cacao plants are stuck in here and there almost at random amongst the trees. There are many houses on the banks of the river, all elevated above the swampy soil on wooden piles, and furnished with broad ladders by which to mount to the ground floor. As we passed by in our canoe, we could see the people at their occupations in the open verandas, and in one place saw a ball going on in broad daylight; there were fiddles and guitars hard at work, and a number of lads in white shirts and trousers dancing with brown damsels clad in showy print dresses. The cacao tree produces a curious impression on account of the flowers and fruit growing directly out of the trunk and branches. There is a whole group of wild fruit trees which have the same habit in this country. In the wildernesses where the cacao is planted, the collecting of the fruit is dangerous due to the number of poisonous snakes which inhabit the places. One day, when we were running our montaria to a landing- place, we saw a large serpent on the trees overhead as we were about to brush past; the boat was stopped just in the nick of time, and Mr. Leavens brought the reptile down with a charge of shot.

September 26th.--At length we got clear of the islands, and saw once more before us the sea-like expanse of waters which forms the mouth of the Tocantins. The river had now sunk to its lowest point, and numbers of fresh-water
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