"The banana can be eaten raw, but the raw plantain is considered unhealthy. Both plantains and bananas are cooked in a variety of ways, baked, boiled, fried, or roasted; they can be formed into a paste after cooking, and then dried, and in this condition the article can be kept for a long time. Humboldt estimated that four thousand pounds of bananas can be produced in the same area as thirty-three pounds of wheat or ninety-nine pounds of potatoes. They are cultivated with very little labor, and there is nothing which the soil produces that gives so great an amount of food from a given area of land. If a man will live only on bananas he can take things very easily. [Illustration: A HOUSE IN THE TROPICS.] "In addition to the banana and plantain forests we saw many plantations where coffee and cacao are grown, and some of them were of great extent. Then there were orange and lemon groves, fields of pineapples, mango and bread-fruit trees, and great numbers of cocoa palms. There were many canoes and _balsas_ on the river; the balsas are nothing but rafts made of the trunks of the balsa trees. Half a dozen logs are lashed together with withes and cords, and braced with cross-pieces of wood so that there is no danger of separation. On the top of the raft a flooring of bamboos or split palms is laid, and on this flooring they build a hut in which the people live, often for weeks at a time. [Illustration: CACAO.] "Some of these balsas are larger than others, in consequence of the logs being longer and more numerous. The huts on the larger rafts contain several rooms, and are equipped with conveniences for living quite equal to those of huts on shore. There are places for cooking, coops for fowls, pens for pigs, and nooks among the rafters where edibles can be stored, out of the reach of the four-footed inhabitants. A whole family will live comfortably on a balsa, and few of them are destitute of pets in the shape of monkeys and parrots. Some of the rafts carried such an abundance of monkeys and parrots that it was not easy to say if they were not the possessors of the establishment, carrying the men, women, and children to a market in Guayaquil. The monkeys and children appeared on the most familiar terms, and as the latter were unencumbered with clothing they were not to be readily distinguished from their tailed associates. "Balsa wood is as light as cork, and remains a long time in the water without any tendency to absorption. The balsa raft was in use long before the visit of the Spaniards, and the craft we have seen are probably identical with those that met the eyes of Pizarro at the time of the conquest.