In the first place, seven thousand arrobas of caoutchouc, each of about thirty pounds, composed the most precious part of the cargo, for every pound of it was worth from three to four francs. The jangada also took fifty hundredweight of sarsaparilla, a smilax which forms an important branch of foreign trade throughout the sss districts, and is getting rarer and rarer along the banks of the river, so that the natives are very careful to spare the stems when they gather them. Tonquin bans, known in Brazil under the name of “cumarus,” and used in the manufacture of certain essential oils; sassafras, from which is extracted a precious balsam for wounds; bales of dyeing plants, cases of several gums, and a quantity of precious woods, completed a well-adapted cargo for lucrative and easy sale in
