We passed some huts inhabited by mestizos. Each hut stands in the center of an enclosure containing banana trees, papaw trees, sugar cane and maize. The small extent of cultivated land might surprise us until we recall that an acre planted with bananas produces nearly twenty times as much food as the same space sown with cereals. In Europe our wheat, barley and rye cover vast spaces of land; in general arable lands border each other wherever inhabitants live on wheat. It is different in the torrid zone where man obtains food from plants that yield more abundant harvests more quickly. In these favored climates the immense fertility of the soil corresponds to the heat and humidity. A large population can be fed from a small plot of land covered with banana, cassava, yams and maize. The isolation of huts dispersed in the forest indicates to the traveler how fertile nature is.