144, MARTIN RATTLER. This is well known to the jaguar, its mortal foe, which attacks it on land, and fastening on these soft parts, soon succeeds in killing it; but should the alligator get the jaguar into its powerful jaws, or catch it in the water, it is certain to come off the conqueror. The Amazon, at its mouth, is more like a wide lake or arm of the sea than a river. Mention has been already made of this noble stream in the hermit’s story ; but it is worthy of more particular notice, for truly the Amazon is in many respects a wonderful river. It is the largest, though not quite the longest, in the world. Taking its rise among the rocky solitudes of the great mountain range of the Andes, it flows through nearly four thousand miles of the continent in an easterly direction, trending northward towards its mouth, and entering the Atlantic Ocean on the northern coast of South America, directly under the equator. In its course it receives the waters of nearly all the great rivers of central South America, and thousands of smaller tributaries, so that when it reaches the ocean its volume of water is enormous. Some idea may be formed of its majestic size from the fact that one of its tributaries—the Rio Negro—is fifteen hundred miles long, and varying in breadth, being a mile wide not far from its mouth, «