MARTIN RATTLER. 179 ever. This friendship was evidenced chiefly by the matter-of-course way in which Grampus permitted the monkey to mount his back and ride about the village and through the woods, where dry places could be found, as long as she pleased. Marmoset was fonder of riding than walking, so that Grampus had enough to do; but he did not put himself much about. He trotted, walked, galloped, and lay down when and where and as often as he chose, without any reference to the small monkey; and Marmoset held on through thick and thin, and nibbled nuts or whatever else it picked up, utterly regardless of where it was going to or the pace at which it went. It was sharp, though, that small monkey, sharp as a needle, and had its little black eyes glancing on all sides; so that when Grampus dashed through under- wood, and the branches threatened to sweep it off, it ducked its head, or, lying flat down, shut its eyes and held on with all its teeth and four hands like a limpet to a rock. Marmoset was not careful as to her attitucle on dog-back. She sat with her face to the front or the rear, just as her fancy or convenience dictated. After leaving the village they travelled for many days and nights through the Gapo. Although afloat on the waters of the Amazon, they never entered the