caused him to yell with all the strength of his lungs. It was a snake, five feet long, and it advanced rapidly, hissing as it came.
Walter had met snakes before, harmless reptiles not half as big as the present one. But he did not know but that this reptile might be poisonous, and gaining the top of the rocks he blazed away with the pistol, not once, but several times. The last shot hit the snake in the tail, and away it darted, out of sight and into the river.
"Ugh! what a horrible creature!" he murmured, as he stood still, watching for the possible reappearance of the reptile. "I wish I was out of this. I'd give a year's wages to be safe on board of the Brooklyn once more."
The words had just left Walter's lips, when he heard a movement behind him. Turning swiftly, he beheld a Spanish soldier gazing at him from a distance of less than fifty feet. The soldier had his rifle, and now the weapon was aimed at the boy's head.
"Alto!" came the Spanish command to halt. "Americano!"
Walter's surprise was complete, yet he kept his wits about him. As the Spaniard raised his gun,
