In comparison to other banana groves the banana trees here are few and small perhaps because it is a young grove. Near the carreta trail the brush and grass is cleared but in the farther end of the grove there is brush and branches of heavy dead grass. What might be called trails lead hither and through the brush and banana trees. Under the grass, brush, and about the banana trees are places frequented by Oryzomys, Sigmomys, and Heteromys. Just over the back yard fence to the north of the old deserted hotel where we were staying, is a small but relatively heavy and dense patch of jungle. This little wooded area covers perhaps an acre and one half of ground. The undergrowth here is relatively tall and quite open beneath with many cow trails leading about through it. Frequently one can find horizontal limbs bridging over an open space from one dense clump of brush to another which are used as runways by Blue-tailed Rats ( Ototylomys Hairy-tailed Rats ( Nyctomys