as they traveled on. "These men originally belonged to a race of people noted for their great size. Then they must have lived under favorable conditions, had plenty of flesh and bone-forming food, and after several generations they gradually grew larger. You know that by feeding the right kind of food to animals you can make them bigger, while if they get the wrong kind they are runts, or dwarfs."
"Oh, yes; that's a well-known fact," chimed in Mr. Damon.
"Then why not with human beings?" went on Tom. "There's nothing wonderful in this."
"No, but it will be wonderful if we get away with one of these giants," spoke Ned grimly.
Further talk was interrupted by a sudden shouting on the part of the big men. Oom made some rapid motions to Tom, and a little later they emerged from the woods upon a large, grassy plain, on the other side of which could be seen a cluster of big grass and mud huts.
"There is the city of the giants!" cried Tom, and so it proved, a little later, when they got to it.
Now there was nothing remarkable about this city or native town. It was just like any other in the wilder parts of South America or Africa. There was a central place, where, doubtless, the natives gathered on market days, and from this
