Page:Tom Swift and His Big Tunnel.djvu/70

60 ert, with here and there rivers flowing through fertile valleys. The sierra region is the Andes division, about two hundred and fifty miles in width."

"Is that where we're going?" asked Tom.

"Yes. And beyond the Andes (which in Peru consist of great chains of mountains, some very high, interspersed with table lands, rich plains and valleys) there is the montana region of tropical forests, running down to the valley of the Amazon."

"That sounds interesting," commented Mr. Damon.

"It is interesting," declared Mr. Titus. "For it is from this tropical region that your quinine comes, Mr. Damon, though you may not have to go there to straighten out your affairs. I think you can do better bargaining with the officials in Lima, or near there."

"Are there any wild animals in Peru?" Tom inquired.

"Well, not many. Of course there are the llamas and alpacas, which are the beasts of burden—almost like little camels you might say, though much more gentle. Then there is the wild vicuna, the fleece of which is made into a sort of wool, after which a certain kind of cloth is named.