grand. Hills and valleys were clothed in every variety of tropical growth, from the tallest of royal palms to the heavy grass—grass the like of which none of the boys had ever seen. Far in the distance were the great mountains, ranging along for miles, their sharp ridges clearly defined against the blue sky. Smaller ridges came down toward them, the lower ones more smooth on their tops, and covered with great patches of grass, where fed cattle and sheep innumerable.
"It's certainly a charming island, so far as looks go," murmured Leander. "But I believe this atmosphere would make the most active man in the world lazy sooner or later."
"It's a good climate for invalids," said Robert Menden. "Some day Porto Rico is bound to become a great winter resort for Americans and others."
"I want to get to the top of yonder mountains before I leave," put in Leander. "If we—Great Scott! Look out!"
He leaped up in terror; and small wonder, for from under the flat rock a serpent, all of seven feet long, had glided. Now it raised its head and showed its cruel fangs, as if to strike at one or another of the startled party.
